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Gunslinger

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Posts posted by Gunslinger

  1. 1975 most of the industry went to cats. Some Mopars got away with it for a couple more model years. I'll leave the rest of the question to the Avanti II guys.

    Ernie R2 R5388

    As far as decreased performance regarding Avanti's, it's more accurate to say all cars of the emissions era suffered from reduced performance. The manufacturers were pretty much concentrating on reducing emissions and increased safety standards (bumpers, etc.), as well as trying to increase fuel economy and performance was secondary at best. I would put that time period as starting around '71-'73 and really hitting bottom about '75-'77. After that period the manufacturers were still on the learning curve of increasing performance again, or at least stopping the decline.

    If there is an era where Avanti performance began to suffer, it was probably when the 350 Vette engine was changed in favor of the 400 cubic inch sedan engine with a two barrel carburetor. I don't know the reason for the switch...maybe it was availability issues with GM, maybe emissions issues, maybe it was cost...I certainly don't have a clue. I understand the 400 had some definite driveability issues, particularly at take-off, during that era. Things apparently got worse when the 400 was switched to the 305 later in the '70s. Not that there were anything inherently wrong with the engines...the small block Chevy is one of the outstanding engines of all time, but it was a combination of reduced compression ratio, emissions equipment robbing the power even more, increased weight of the car as more and more mandated equipment was added, and the restrictive exhaust system necessary.

    As far as Avanti quality, I've read where the quality began to decline after Nate Altman died in '76. Even though his brother took his place and the people involved loved the car, without Nate's force of personality the company began to drift and quality allegedly suffered. I've also read where they ran out of original Avanti and Lark convertible frames and adapted Stude frames that were thinner guage steel and less strong, plus had been sitting out in the weather for years. Supposedly this occured for the last half of the '70s.

    Supposedly, after Steve Blake bought the company around '83-'84 the quality control went up again...at least until the paint debacle which helped throw the company into bankruptcy.

    A lot of the alleged problems really don't mean a lot now...I would think that either the cars have been updated and restored or they've been parted out or waiting to be parted out.

  2. Bruce

    I'll admit I never thought about the cars that are cannabilized, but if there weren't some people restoring them they wouldn't be worth parting out. Actually, the cost of restoring most cars is going to be a lot more than their resale value, not just Avantis. Especially if it's not a top shelf, 99 pt. restoration. I've resigned myself to the fact that I must view my hobby as an one that costs me money with the ability to recoup a only small percentage of what I spend.

    I don't completely understand the weak pricing of the Avanti II but I hope it stays down 'til I can buy one. Wouldn't mind building one a lot like yours :)

    Ernie

    BTW, I had my opinions on the matter published in the club magazine a few years ago. I also wrote a little "story" as a sidebar to one of the points I made in the letter. I said that some TV hero needs to drive an Avanti like Don Johnson, Tom Selleck or Burt Reynolds. They all made cars desirable and oddly enough the Miami Vice Ferrari was actually a kit car based on a Corvette but look what happened to Daytona values back then. And, the black and gold Trans Ams will be "Bandit" cars even to people that don't know why they are called that. And last but not least, the General Lee!!!

    Everytime I see a Mopar going for some ridiculous amount of money I tell my wife that they were not the greatest cars ( I have to be careful she has a 72 Duster ). I was in the gas station business in the early 70's and had the opportunity to tear into a lot of vehicles that are collectible today. I know what they are made of.

    Anyway if anyone's is interested in reading my little story I'll post it, might ive you a couple of laughs.

    Ernie

    Ernie...

    Your comment that the Avanti needs a high profile setting and driver like Tim Selleck, Don Johnson, etc., is very true. Twenty years ago when I owned my '63 R1, I got a call from a movie production company regarding using my car in a '60s era movie they were filming in Baltimore (I live less than an hour from there).

    I checked it out and it was a genuine offer...not bogus. Of course I contacted them back and offered them the use of the car. That would have been really sweet.

    Ultimately, they declined to use my car. The scene it was to be in was at a union hall, and they decided an Avanti wouldn't fit in as it wasn't the type of car that would look right at such a location.

    The movie..."Tin Men". Richard Dreyfuss, Danny DeVito...a Barry Levinson film. I never have gone to see it.

    But you're right...if just one high profile film and star used an Avanti, values would take a jump.

  3. Ernie...

    I agree with your sentiments for the most part. What values Avanti's are bringing is really a double-edged sword. High values are great...if you're selling. Low values are great if you're buying. The best we can hope for is to find a reasonable compromise in the middle.

    As we've already discussed, rarity doesn't necessarily translate into desireability or increased value. The Avanti community seems quite small and rarity and value for an Avanti seems to matter only within that small community...not the general automotive hobby. Advertise for sale a genuine factory R3 Avanti and listen to the deafening silence and yawns from the mainstream hobbyists and investors. Advertise a run of the mill Cobra (if there is such a thing as a run of the mill Cobra) and watch the dollar signs shine in people's eyes.

    To my way of thinking, what the low relative values of Avanti's does to hurt us is it makes them unattractive for restoration or rebuilding otherwise. They are simply not cost effective to rebuild compared to potential resale value. That results in more and more Avanti's being parted out when they might be quite restorable otherwise. I've seen several Avanti's parted out because of this. I think the numbers of Avanti's out there is or will be steadily decreasing due to this. For this to change, either the cars get increased mainstream recognition and desireabilty or ultimately what few Avanti's remain will never get driven anymore as they begin failing at an increasing rate and not repaired.

    I'm afraid a small bunch of Avanti fanatics can't do it all. New converts need to be brought into the fold.

  4. It depends on the source of the noise. Is it a whine that increases and decreases with engine rpm? If so, it's the alternator. If it's consistant it's likely the ignition...is your distributor and coil shroud in place and the plug wires shielded? Is the noise strictly in the AM band or the FM as well?

    The fiberglass body offers no ability to shield from radio frequence interference. It requires the shrouding to be in place and maybe even additional filters to keep it from being a nuisance.

    Your stereo may need to be shielded itself or have filters attached to it...or it could simply be defective in it's filtering capability. Such things do happen.

    You might want to visit an auto stereo shop and ask them for advice...they will probably have whatever filters you require.

  5. With the 700R4 you do need a new shifter indicator dial and new indicator housing...the indicator won't work with the original. The original shifter can be re-used. The parts are available from Nostalgia Motors.

    The linkages will have to be changed and a different setup for the neutral safety swtich and backup light switch will need to be fabricated. There's not enough clearance for the originals...at least that's how it went on my car.

    You'll also need a new driveshaft. For mine I went for an aluminum unit to reduce rotating mass.

    My car also did not require any modifications to the floorpan's transmission tunnel for the conversion, though some people say they found it necessary.

  6. Jerry...

    The speed shop that installed the crate engine and a 700R4 in my '70 has done a rack and pinion conversion to an Avanti in the past. I don't know what their experience was or how well it turned out. They are very careful about what they do and won't do anything that's unsafe or not properly engineered.

    There are 4-wheel disc brake kits on the market...Turner and Steeltech come to mind. I don't know how either kit handles the parking brake for the rear, though. My feeling for a shop to do that kind of work would be to allow them to obtain all the parts...that way THEY have to warranty everything, not just their labor. If you provide the parts, some places simply won't do it, or if they do and there's a defect problem, you'll be paying labor several times before it's done right. This way may be somewhat more expensive, but unless you have the tools, facility and knowledge to do it yourself, I believe it's the better way to go. There's also no reason why a shop can't order the entire kit from Turner or Steeltech and add on a reasonable profit...it does take a lot of potential headaches off your shoulders.

    As far as any fan issues if you lower the body, if you go with electric fans you can dispense with the fan shroud altogether. Get a fan kit that contains a built in shroud that covers the entire radiator core. One potential issue with electric fans (or too many electrical additions) is by increasing the current draw you might need to upgrade to a higher output alternator, which can require heavier guage wiring, which can require a custom wiring harness, etc. You get the point. Rarely does changing one item not require additional changes to safely accomodate it. I'm not saying this will happen, just it's something to keep in mind when proposing changes. I believe the stock electrical system should be able to handle up to a 100 amp alternator without the need for modifications, but you should check with a custom shop to make sure of that.

    Regarding body modifications, you'll need to find a really good custom body shop. I think air dams would look nice on the front of an Avanti...something like the Blake Avanti that raced at Daytona back in the '80s. You would have to watch out for speed bumps and curbs...it might be really easy to damage.

    There's lots of things you can do to change the dash without actually modifying the dash itself. In my '70 I had new inlays made up for the guage cluster, console and a/c bezel. There are lots of choices to pick from...brushed aluminum, a variety of wood grains and colors, several colors in carbon fiber, etc. There are also numerous brands and styles of guages available...both analog and digital readouts. You can transfor the dash without actually changing the dash pad and structure at all. If you remove the air conditioing, you can mount guages or a DVD screen in that center bezel. Then again...you're in Florida so I would think you'd want to keep the a/c!

    Sounds like you're going to have a killer car when it's done.

    Bruce

  7. I agree completely. I guess the author of the book never heard of people having the freedom to buy and drive whatever they like, and who cares what his opinion is.

    The fact is, the Avanti (specifically the Stude variety, but the Avanti II should qualify even more) is a certified Milestone Car. To attain Milestone status, it has to excel in five categories...the model should be distinctive because of Styling, Engineering, Performance, Innovation, and Craftsmanship-relative to their contemporaries.

    There are not very many cars that qualify as Milestone Cars. The rub is that just because a car attains that status, it doesn't necessarily translate to values. Look at the values of Mopars with Hemi's or 440 engines...while I believe Mopar made some of the most bulletproof engines and transmissions of anyone, the rest of their cars were crap...weak electrical systems, tinny bodies, cheap materials in the interior, etc. There should be no real way they should be pulling the money they are, but the fact is they are.

    Early on, the Avanti was derided as only a Lark in a guilded cage. Well, what was a Mustang but a pedestrian Falcon with a different body? How it was promoted made a big difference, among other things (being available where the Avanti had major production bottlenecks helped as well).

    The Avanti has always been an automobile for those who not only like something different, but something a cut above as well. Does the car have a troubled past and maybe future? Yes, but maybe that's part of the mystique.

  8. Jerry...

    I'm pretty clueless on lowering an Avanti, but as far as the air cleaner not having clearance, unless you're determined to retain the air cleaner you have, there are many drop base air cleaners on the market. One of them may do what you want without resorting to a hood bulge.

    On my '70 which is still being reassembled, I know I'm going to have air cleaner issues when it get to that point. It looks that the air cleaner I prefer likely won't clear, so I've been looking at options...some I'm OK with, some I may simply have to live with if it comes to that.

    I'm hoping a drop base air cleaner will work off the throttle body of the EFI. If not, my next choice will be the Holley Hi Tek air cleaner, which is kind of unusual looking to my eyes...it reminds me of Princess Leia's hair in Start Wars, with two air filter elements...one on either side of the throttle body. It's not inexpensive either, but may be my best way to go. I'm guessing my last choice will be to use a carburetor bonnet, like for a supercharger and use a tapered cone air filter attached to it. It will get worked out...just a matter of which way is best.

    You have options. I'd hate to see you cut your hood for a bulge or scoop.

  9. Wayne...

    Looks like you found your solution. The best I've come up with is a refernce that states the master cylinder is either from a '70 Dodge Polara or a '68 Dodge Charger with drum brakes, and I'm pretty sure they're both the four bolt variety.

    The only other thing I've come up with so far is a master cylinder rebuild kit, but the list doesn't say if it's for the four bolt ot two bolt style. The number is Bendix 2800.

    Either way, it looks like you've got the information you need.

  10. Wayne...

    I've also read where the dual master cylinder on Avanti II's were either a Ford unit or a Mopar unit, depending on model year. I believe the change came about the '71 model year. My '70 is an August '70 unit, and it has the earlier 4-bolt master cylinder, so the change to the 2-bolt and different booster must have come after that. There were some changes to the rear brakes after that as well, so I'm assuming the master cylinder and booster were changed at the same time.

    Somewhere I may have the information on what the specific application was. It might take a day or so but I'll see what I can come up with for you. That way you can check price from a local supplier against what the Stude and Avanti suppliers might be asking.

  11. Jerry...

    I'm not sure what difference in color you might see. Most DOT 5 fluids I've are a purple color. DOT 3 fluid is generally near clear looking. If they get mixed you'll generally see a murky and cloudy mixture in the master cylinder reservoir.

    The problem with accidently mixing the two fluids is they're chemcially incompatible and results in a very mushy brake pedal.

    Just to make sure...and brakes are so important I wouldn't take the chance myself, I would have the whole system fully flushed and fresh fluid of whatever type added. I would also make a tag (or get a reproduction decal from Nostalgia or Stude Internat'l) that states DOT 5 only and mount it prominently, if you decide to go with DOT 5.

    Twenty plus years ago I put DOT 5 in my '63 R1, and knew nothing about the incompatibility of the fluids. I definitely suffered loss of brake pedal and loss of brake feel. Not completely, but enough to cause concern. A few months later my brakes failed completely but I was able to stop the car without incident. In my case the master cylinder went bad suddenly, but I can't say it had anything to do with the type fluid. It may have been coincidental.

    If you do flush the system and replace it with DOT 5, make sure the system is completely flushed and dry...no moisture at all leftover. DOT 5 is great, but don't use it in a car with ABS or traction control. One drawback with DOT 5 is it can aerate and the ABS activation can cause that. I'm not aware of any performance car made today that doesn't prohibit DOT 5 in the car's brake system.

    As far as adding rear disc brakes to your car, I guess a lot depends on how much you drive the car. For pleasure driving only I don't see any advantage to it. It's a lot of expense and work, plus you will likely have to run different wheels on the car to clear the calipers. I considered adding either the Turner or Steeltech systems to the front of my '70, but having to buy new wheels when my Magnum 500's are like new seemed a waste, as well as the added expense. My car, when it's done, is a pleasure car only and won't be driven hard, so the stock system should be more than adequate.

  12. I agree. Without sending your car to a custom header builder, I doubt if you're going to find long-tube headers to fit. That would not be cost effective.

    On my '70, the speed shop that installed the new crate engine added ceramic coated Sanderson headers of the block hugger design. They fit great, look great, and leave plenty of space for plug wires, steering components, etc. Sanderson also has the thickest flanges I've ever seen on headers to keep the bolts from backing out and creating leaks.

    The original exhaust manifolds used on the earlier Avanti II's is the standard "Ram's Horn" manifolds. They can be found in junk yards and also as new reproductions through the Corvette restoration catalogs. The repros are somewhat expensive, so again, I think the header options would be more cost effective.

    If you want to see photos of the installation of mine, I have a photo album of mine on the Avanti Yahoo group under RQB1574 reconstruction. You can see what it looks like before the body was re-mated to the frame.

  13. I don't know the part number for the master cylinder, but I believe you can obtain one from Studebaker International, Nostalgia Motors or Jon Myers.

    To check the brake booster, pull the vacuum line while the engine is running. If the booster is good, the engine will suddenly start running badly from the massive vacuum leak. If the engine runs the same, the booster is bad as it must have been leaking internally. Plug the vacuum hose and the engine should start running normally again.

    You lack of pedal after adding fluid to the master cylinder could be due to massive amounts of air in the lines that need bled out. Another possible issue is the type of fluid...Avanti Motors back then put DOT 5 silicone fluid in the system...you may have added DOT 3 and the two are not compatible...in fact a very bad and potentially hazardous mixture. Poor brake pedal would be the least of your possible issues if they've been mixed.

    If the car has been sitting as long as you say, the entire braking system should definitely be rebuilt...new master cylinder (booster if neceesary), rebuild the calipers and wheel cylinders, new pads and brake shoes as at least some are likely to be fluid soaked and new rubber hoses. You may well need new metal tubing...this would be the time to do it. Safety first...if your car's brakes can't stop you, it doesn't matter how nice the rest of the car is when you hit something.

  14. The reason many are now recommending the use of diesel approved oils is because of newer automotive motor oils have reduced certain additives that protect camshafts, rocker arms and lifters. I don't have the specific information closeby, but I have read a number of articles on this.

    Modern pushrod engines have roller rocker valve trains and due to their inherent lesser friction (and newer EPA regulations), some chemicals have been reduced or removed from oil packages. These are the same chemicals that protect the camshaft, rocker arms and lifters from excessive wear, particularly within the first 1000 miles or so of an engine's life...the break-in period. Many companies report a big increase in camshaft failures due to this.

    There are several recommended ways to protect your engine. One is to carefully assemble it with the assembly lube shipped with new cams. Another is to use oils such as Shell Rotella which is designed for diesel applications but also automotive as well. It still has the additives flat tappet engines need....but may not in the future as standards and the market dictates.

    One thing you can do is use a GM additive available through dealers. It's an engine pre-lube, but essentially is the GM version of STP Oil Treatment, and much more expensive than STP...something like about $8 per container aginst $2-$3 for STP.

    The problem exists primarily for new, not yet broken in engines, but potentially other engines are at risk as well. How high the risk might be is open to debate...maybe none at all, but it's enough to raise eyebrows.

    I would think the smart thing to do is maintain a regular oil change schedule, and either use an oil like the Shell Rotella, or a quality oil of your choice with a bottle of STP.

    If I can come up with any articles on the subject I'll post them here.

  15. Manual chokes were not factory installed. The Carter AFB carburetors came with an automatic choke. If the car still has the original carb, either the choke is inoperative or someone didn't like it. Maybe the carb has been replaced?

    Enjoy the car and share your experiences with us.

  16. Avanti's are wonderful cars. They definitely have their quirks, but essentially everything is based on solid engineering. Most parts for an Avanti are available...sometimes pricey, but you can find just about any parts you need. I'm in the middle of a body-off reconstruction of a '70 Avanti II and there's only one small part I've been completely unable to find a replacement for...and it's just for aesthetic purposes anyway, not because it's malfunctioning.

    The biggest problem I've run into with older cars, not just Avanti's, is undoing what past owners have done to them before something can be fixed correctly. In the Corvette fraternity it's referred to "Bubba mechanics" and Bubba does some strange and unsafe things to cars. Since your car has been in your family all these years, it doesn't sound like you'll have that headache to deal with.

    Don't be afraid to ask questions. There's a lot of help here...lots of experience and hard won knowledge.

    You have a special Avanti...all that family history attached to it. Again...welcome.

  17. You have my sympathies for the loss of your Dad. It's always tough to lose a loved one.

    With Avanti's, round or square from headlights, it really doesn't matter what their VIN is or when they were made as much as how it was originally titled by the dealer. If it's registered as a '64, it's a '64. As far as parts, you go by the VIN to get the correct parts for repair or restoration.

    Since Stude Avanti's didn't have a VIN code that designated model year, it wasn't uncommon at all for dealers to title one as a '64 regardless of assembly date. An R1 a friend used to own was titled as a '64 even though by serial number it was about 1000 units older than my '63 R1. Cars today have date codes in their VIN to keep such shennanigans from going on.

    Your car may well be one of the few accepted as a "true" '64 instead of a '63 titled as such. It's kind of a transition car, with items installed that earlier cars and later cars don't have. Regardless, use the VIN for most purposes. That will be more accurate instead of using the model year in just about any case.

    Welocme to the club and look forwrad to hear your experiences. A lot of help you might require is here as well.

  18. They're the same Magnum 500 wheel that Ford and Chrysler used. The difference was the emblem in the cap and the fact that Ford and Mopar generally, if not exclusively, used 14" wheels while Avanti used 15". All three manufacturers use the same 4 1/2" bolt circle.

    The only current manufacturer of Magnum 500 reproduction wheels now (as far as I know) is Wheel Vintiques. There are a number of resellers for them and prices seem to be pretty comparable across the board. Motorspot is likely a reseller of Wheel Vintique products.

    Every now and then you might see a used Magnum 500 on Ebay. I don't know where you live, but if you're close enough to Carlisle, PA, their Spring swap meet is this week. I wouldn't be surpised to find some Magnum 500's there for sale...used and new. Carlisle is a Mecca for postwar car parts.

  19. I have a '70 as well. I believe the Magnum 500's are 15"x6" but I'm not sure. They could be 7" wide, but I think 6" is correct. That would be appropriate for 78, 75 and 70 series tires. I don't believe Avanti Motors installed 60 series tires on them at that time, if ever, and 7" wide wheel would have been appropriate for them.

    Magnum 500's aren't being made anymore by the original manufacturer, but are available by a reproduction supplier. You should be able to find them through Coker Tire, Summit Racing and several other vendors. They're even made now in 16" and 17" sizes.

  20. Even though it's been a while, I used to sell tires. While you can make some generalizations, all is not equal in the tire world. To my way of thinking, tire selection is so important that even the absolute best tires are barely good enough. A quality 75 series tire can outperform a 60 or wider series tire of lesser quality, the same goes for the opposite situation as well.

    You need to decide on what kind of driving you do...cruising and highway, autocross, etc. Do you want long life in the tires? High performance tires and long tread life are pretty much mutually exclusive. It has to do with tread compounds. A sticky, great handling tire will wear out faster than a long wearing, harder rubber compound tire. To get one thing, you have to give up something else. The trick is finding the best compromise for your style driving.

    You should try and find a tire with an overall diameter as close as possible to the original size for an Avanti. Even if you go wider, get the overall diameter correct. To do otherwise will cause an error in your speedometer and odometer which can hurt (or help) your fuel mileage. If you go to a bigger diameter tire, you can improve your fuel mileage, but it will hurt acceleration at take off and possibly put added stress on the rear end and transmission, but that's unlikely unless you go to extremes in tire sizes. If your Avanti suffers from the common problem of compressed front coil springs, a larger (wider) tire could hit the body when hitting bumps or bottoming out.

    Determine the use your car will be given then buy the tires that best suit that. You may be going for a look as much as anything else, and that's certainly to be taken into consideration.

    It seems to be a fact in today's automotive world that most, if not all the research and development and manufacturing expertise in tires is going into the larger sizes...16" and above. More and more the tires most all old cars use are not being improved in technology nor are they as widely available as in the past. It's just a part of supply and demand...new car manufacturers are equipping new cars with larger diameter tires and the tire companies are servicing that need. They're simply going where their market is.

    I believe as time passes, most of the older tire sizes will be phased out by the major companies and left to the niche market suppliers, like Coker and Diamondback Tires.

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