tsterkel Posted April 25, 2007 Report Posted April 25, 2007 availability of Studebaker/Avanti Automatic just curious, I have the standard for my '63 R2, but my wife will not drive it. Skipping the "xxx" comments, does anyone know were I can get a reconditioned, warrenteed automatic?
SBCA96 Posted April 26, 2007 Report Posted April 26, 2007 I think that "XXX" comments will be pretty much warranted. To change a manual trans Avanti to an auto is truely a waste. I considered it myself and I have the crappy T86!! I will be going with a T56. I am sure you will be able to sell all the manual trans parts though, to make back some of the investment. Honestly I wouldnt waste the money for a Powershift trans, sure they are good transmissions, but the cost is going to be high, and the benefits minor. I would consider a TH700R4 trans, and adapter kit from one of the Vendors. You will be much happier with the results, getting an INCREASE in mpg and an amazingly nice launch! Not too many things you can do to a car to improve both MPG and performance. Get a 1989 to 1993 700 or 4L60 trans, install a Corvette servo from Sonnax and tool on down the road. I fought the temptation to use the kit I had to swap out the T86, but decided, for me, having a manual around is fun! Tom
gadd zooks Posted April 27, 2007 Report Posted April 27, 2007 tom i look around at the trans. you talked about. will it hook up to the stock stick shifter, or is their a lot of modafi to do. if so has anybody done it. photo?
SBCA96 Posted April 29, 2007 Report Posted April 29, 2007 You referring to the T56 trans or the TH700R4? I will assume you mean the T56 (since its a manual), no it doesnt seem as though anyone has installed a T56 into a Studebaker power Avanti. There is a bellhousing being sold right now that allows the use of a T5 or TKO600 manual trans though. I bought the complete T56 from a 1997 Camaro, and will be doing whatever I need to use it. Damn the torpedos I am going in! (much like the Cobra brakes). As for the TH700R4, there are a couple guys on this forum that have done that install successfully - I installed one in a '60 Hawk. My dad put one in his '69 Avanti, though thats a GM powered Avanti II. Tom
Gunslinger Posted April 29, 2007 Report Posted April 29, 2007 I had a 700R4 installed in my '70, but as you said...that's a GM powered car. You can buy a really high quality bell housing adapter to use a GM transmission in a Stude powered Avanti from Jon Myers. They're aluminum and a really nice piece...well engineered and fabricated.
SBCA96 Posted April 29, 2007 Report Posted April 29, 2007 I have never seen the Jon Myer piece, but I used the original one designed by Dave Levesque at SteelTech. It worked well, though I made a couple of improvements during the install. Side note, I contacted Myers about getting a T56 install kit available, for some reason they didnt see the need to create a kit for the THE MOST popular manual trans on the market ... hmmmm. Tom
gadd zooks Posted May 1, 2007 Report Posted May 1, 2007 tom, i was thinking of the th700. i have and automatic and do not like the launch start in 2nd gear , the overdrive automatic seemed to be the best of all worlds performance and mpg for its future. but i was conserend about the stick shift can i use the stock or does it have to be totally different.
SBCA96 Posted May 1, 2007 Report Posted May 1, 2007 I am pretty sure that I have read about some modifying the stock auto shifter to use with the extra gear, and if memory serves the mid 83 and later Avanti II used a 700R4 and would have an altered indicator. I used a B&M shifter in the Hawk, but that was a column shift car. My dad had the shifter modified in his car, but I dont know what they did. Tom
Gunslinger Posted May 2, 2007 Report Posted May 2, 2007 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.
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