If you took a stock 23 deg Chevy head and added overhead cams what did you
gain?
JB
----- Original Message -----
From: "3liter" <saltfever@comcast.net>
To: "'Dave Dahlgren'" <ddahlgren@snet.net>; "'land-speed submit'"
<land-speed@autox.team.net>
Sent: Sunday, January 02, 2005 4:13 AM
Subject: Engine Config
> I agree Dave, stock parts should have to bolt up on a Production (PRO)
> vehicle. However, pg. 62 says "Choices of camshafts, induction and
> ignition are UNLIMITED" Cylinder heads are limited to original number
> of valves and port configuration." (CPRO has some ignition, FI, and
> Data Recording restrictions, though).
>
> Notice "camshafts" is plural! Whether it was meant that way or not, it
> is clear that you are free to relocate the cam or to even add cams. . .
> the book says choices are UNLIMITED!! I believe Production is
> restricted only to original number of valves and port config. You can
> be very creative and still have stock parts bolt on :-)
>
> This is very intriguing and I would like hear from the Tech Advisers and
> others with their opinion. -Elon
>
>
> > -----Original Message-----
> Sent: Friday, December 31, 2004 8:09
> (snip...) it should also explain the homemade heads issue as well in
> production. As a minimum i would suspect the intake and exhaust
> manifolds would have to bolt on from the original engine to not be a
> swap of the cylinder heads. As such i believe it is not legal to run 18
> degree SBC heads in production as the intake will not fit from the stock
> 23 degree head. Dave
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