Does anyone know of vendor that sells correct aluminized side pipes for a1966 427 (L72). AO smith but had side pipes car was purchased thanks
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Re: side pipes
Carl,
I'll take a stab at this. Someone with actual experience will correct me if I'm wrong.
Anyhow, you can't really put correct and aluminized in the same sentence for side pipes. They were carbon steel from the factory. That being said, I plan to buy these (unless I find out there's something better out there):
http://www.parts123.com/parts123/yb.dll?parta~dyndetail~Z5Z5Z50000050b~Z5Z5Z5AACOE~ P489.00~~~~S36N0J3AGA13076914470a~Z5Z5Z5~Z5Z5Z5000 0050B
I hear the deduct isn't much for aluminized side pipes, but I can't really quantify it. Since your car is A.0. Smith, you'll probably take a heavy hit anyway, the material may not make a difference in this case.
Joe -
Re: side pipes
Is the deduct for aluminized more than for stainless?Comment
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Re: side pipes
Come on guys, crack open your copy of the new Judging Reference Manual instead of asking us to save you the purchase price...
Standard Deductions, Rule 6: Stainless Steel Or Alumized Replacement Components
Table of Originality Deductions:
Deduct 25% -- any part that was not originally aluminized.
Deduct 50% -- any part that was not originally stainless steelComment
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Re: side pipes
C'mon Jack, some of us that have mulitple multi year cars don't necessarily buy new JRM's every time they're published, especially on cars that we don't intend to have judged.
That doesn't stop the curiosity factor though. Seems like anybody that's got the books at their easy reach would be glad to share their knowledge some of us uninformed members. That's why they call it "discussion boards".
Comment
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Re: side pipes
The reason I ask is that I purchased 396/427 side pipes and the drivers side no problem.The pass. side the pipe up to manifold was straight instead of curving back slightly to the manifold.Was told the manufacture said was to hard to bend pipe,so I'm looking for another vender. By correct I did'nt mean judging,just correct fit. ThanksComment
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Re: side pipes
Noriris, there is ONE Judging Reference Manual for ALL Corvettes that NCRS judges. The latest is revision 8. I believe there was at least five years between revision 7 and revision 8. No one needs multiple copies even if one owns multiple Corvettes. BTW: The deduction for Aluminized and Stainless steel was last changed between 1990 and 1993, IIRC. So it may not matter too much which JRM one has unless your version is a historical document.C'mon Jack, some of us that have mulitple multi year cars don't necessarily buy new JRM's every time they're published, especially on cars that we don't intend to have judged. That doesn't stop the curiosity factor though. Seems like anybody that's got the books at their easy reach would be glad to share their knowledge some of us uninformed members. That's why they call it "discussion boards".
TerryComment
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Re: side pipes
It's less. This was just discussed.
https://www.forums.ncrs.org/showthre...haust&uid=1511Comment
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Re: side pipes
One may be less than the other, but that would only be in the case of an apparently original side exhaust car wouldn't it? In the OPs case, it matters not if his side exhaust is SS or Alum as he will take full standard deduct for side exhaust on an AOSmith car, won't he?
But then again, since he was asking about "correct" being as it relates to fit, and not the judging standard, none of the judging deductions are of any concern anyway, right?Comment
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Re: side pipes
You are correct, the deductions would affect not only the material, but the existence of the pipes as well as the impact on all the other components that are modified to allow the sidepipe installation.Bill Clupper #618Comment
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