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About Avanti83

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    AOAI Forum Member
  • Birthday 01/08/1943

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    Bay City, Mi

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  • My Avanti
    1983 RQB-3651

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  1. Just thinking out loud here, but if you have a stock L48, headers will do little to add to gitty-up as you have already added duals.. Those were 180-190 hp smog engines so a better investment IMO would be a cam and heads upgrade or all the way with new pistons. Also recall the 360 hp Corvette L84 ran 2.5" ram horns quite successfully. If you've all ready done that then good luck with your quest for better headers. Please post when you find them.
  2. The biggest problem with headers or any exhaust manifolds is they need to clear the steering box on the drivers side. I just used the 2 1/2 in "vette Ram Horn manifolds from the early 60's. Speedway sells an aftermarket Ram Horn that should fit and, I believe, another member has used ones from Sanderson. As far as better flow, the SBC Ram Horns were pretty good, even compared to headers, and you'll also want to upgrade your entire system also. Let me suggest the 2 1/4" stainless system from Don Simmons at Silvertone exhaust. The problem with most headers is they need to go up and aro
  3. Try applying brake disc lube behind the pads and any sliding surface before you start throwing parts at it. Just ask at your FLAPS what they recommend. Friendly Local Auto Parts Store
  4. Put a mechanical gauge in the system temporarily to check the true pressure. They're fairly inexpensive from Ace Hardware to Amazon.
  5. If nothing appears, try Ebay
  6. Be careful about loading the rear shock mounts with a lot of weight from load leveling shocks as it not that strong. Let the rear suspension do the work and the shocks control rate. A complete front rebuild kit with refurbished king pins is about $1000 in parts if required. Rear bushing another $100 or so. When I rebuilt the front on my 74 I used Delrin bushing on the A-arms and urethane on the sway bars which also helps firm it up. Gunslinger is right about the handling being a 50's design but if the suspension is in top notch shape they are reasonably capable road cars when on
  7. If the fuse is bad again, I'd start looking for the cause which in these cars can be proper grounding. IAC, for important lights, I'd install an in-line circuit breaker.
  8. If you have trouble finding seats about any late model mid or full size car seats will fit. That will give you more adjustment and heat if so desired. I used 2007 Pontiac G6 leather seats in my 74 Avanti and 07 Acura seats in my 54 Studebaker. They are both much better seats than the ones in my 1983 Avanti if you don't mind non-stock. Personally in today traffic, I want the high backs well anchored to the frame for support if I get rearended. Someday I'll get the GTP removed by the same upholster that did my dash.
  9. I have KYB's on mine but be sure that the front suspension is in A1 shape. Both of my Avanti needed rebuilding when I bought them so I did it in my polebarn. With good shocks, 17" radial tires and the newer suspension components it rides surprisingly well. I also did the rear bushings at the same time.
  10. Ford 9" is the standard for performance rear ends and the aftermarket ones can be had in about any configuration at reasonable (not cheap) costs. The 63 should have a Dana 44 rear end but it came standard with non-flanged axles and a low spline count. Hard to do maintenance on the brakes and not as strong as later units. The 44's can be upgraded to later technology but for a few dollars more you could get a 9". Both choices should be adequate for your needs. Moving the Avanti brackets to a 9" axle is straight forward. Donut spare from my 74. https://forum.studebakerdriversclub.com/fo
  11. Traditional position for the SBC oil sensor is behind the head on the drivers side that can be accessed from above the engine. Look straight down to see it. There is usually room to get a hand down to pull the wire and use a socket to remove the sender unless it's the large bodied one used on some engines. IAC, it can be removed.
  12. Replied to your other post.
  13. Having done my 74 Avanti from about the shape of your current 63, I can appreciate the amount of work necessary. But I'm currently 78 and won't discourage you in your quest. Mine took about 6 solid years to complete from hog troughs and frame repair to complete body, interior, suspension and engine rebuild. I converted from a 4 speed to 6 speed but with an SBC so no big deal. You'll want to add an avanti/lark clutch setup and let me recommend you switch to a hydraulic setup for the clutch. A go-to for transmission adapters is Fairborn Studebaker in Ohio. http://fairbornstudebaker.com/WP/
  14. The area above and behind the rear seats are mostly fiberglass with the fuel tank located there and a rear shelf that is plywood. That would make mounting the upper belt mount securely a challenge. You could possibly add a steel mounting point and heavier wood bracing under the rear shelf to provide enough strength for the mount using the rear seat belts from a modern sedan.
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