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-   -   Aftermarket/Replacement Cylinder Head Rule Change (https://classracer.com/classforum/showthread.php?t=68473)

HR9121 12-24-2017 04:13 PM
Re: Aftermarket/Replacement Cylinder Head Rule Change
 
Quote:
Originally Posted by Paul Sarvas (Post 552376)
No holiday cheer @ Class Racer eh fellas? Nice...

pS
Fahey seems to have this effect on people lol.

Alan Roehrich 12-24-2017 04:21 PM
Re: Aftermarket/Replacement Cylinder Head Rule Change
 
Quote:
Originally Posted by Paul Sarvas (Post 552376)
No holiday cheer @ Class Racer eh fellas? Nice...

pS

Quite the contrary, I have a great deal of holiday cheer.

I tend to reserve it for those who do not insist on or persist in trying to force the views and their changes upon others, and who do not try my patience in doing so.

Bob Bender 12-24-2017 04:25 PM
Re: Aftermarket/Replacement Cylinder Head Rule Change
 
Quote:
Originally Posted by alan roehrich (Post 552383)
quite the contrary, i have a great deal of holiday cheer.

I tend to reserve it for those who do not insist on or persist in trying to force the views and their changes upon others, and who do not try my patience in doing so.
x2

TILBURG 12-24-2017 05:27 PM
Re: Aftermarket/Replacement Cylinder Head Rule Change
 
Quote:
Originally Posted by PJ305 (Post 552363)
I have a question for whoever dreamed up the need for replacement heads for SBC engines. How do you think it is easier to find a 624 head for a 1986 350 truck than a 1979 Chevy car with a 350? How did you determine 62-79 SBC are the only engines affected? I also like to know how we are going to shrink an intake runner from 185cc to 172cc legally? MERRY CHRISTMAS & HAPPY NEW YEAR
^^^^^^
What he said but it's 165 or less 🤔🤔

Super Sport 12-24-2017 08:15 PM
Re: Aftermarket/Replacement Cylinder Head Rule Change
 
Better yet how about shrinking them down to 140 ccs. The new replacement heads are legal on early 327's with the 520 and 896 heads. What??????

Timetraveler 12-24-2017 08:44 PM
Re: Aftermarket/Replacement Cylinder Head Rule Change
 
The 520 and 896 heads were used in 62-63-64 on the 327/250 and also on the 283 2bbl and 4bbl.

Ed Wright 12-24-2017 08:45 PM
Re: Aftermarket/Replacement Cylinder Head Rule Change
 
Quote:
Originally Posted by bob bender (Post 552385)
x2
x3

PJ305 12-24-2017 09:31 PM
Re: Aftermarket/Replacement Cylinder Head Rule Change
 
Quote:
Originally Posted by Super Sport (Post 552395)
Better yet how about shrinking them down to 140 ccs. The new replacement heads are legal on early 327's with the 520 and 896 heads. What??????
Yeah the 62 327/250hp has 1.72 intake valves as well. I don't even think the best cylinder head guru on the planet could shrink 185cc runners to 140cc , not to mention 2.02 valve to 1.72 legally...lol

ron mattson 12-24-2017 09:33 PM
Re: Aftermarket/Replacement Cylinder Head Rule Change
 
No worries guys I'm quite sure there will be
Another aluminum head out soon with smaller
runners 165 ish and possibly another brand
of aluminum head, I would not get so worked up
until the dust settles 30-60 days.

ron mattson 12-24-2017 09:39 PM
Re: Aftermarket/Replacement Cylinder Head Rule Change
 
I have to laugh right below this post is a
ad from jegs for the NHRA "legal" performer
rpm heads!! Lol


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