Dedicated to the Promotion and Preservation of American Muscle Cars, Dealer built Supercars and COPO cars. |
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#11
02-06-2010, 07:59 AM
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Re: HEADERS
Catch up with Kerry screen name PlumL78 here He runs a crossramed 69 z and has it down to a science. Handsdown the strongest street one you will ever encounter.
Jim 
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#12
02-06-2010, 07:02 PM
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Re: HEADERS
[ QUOTE ]
Catch up with Kerry screen name PlumL78 here He runs a crossramed 69 z and has it down to a science. Handsdown the strongest street one you will ever encounter. Jim [/ QUOTE ] Yes, definitely talk to him, he has his setup sorted out really well and puts a lot of miles on it each year as well.
__________________
69 Z28 JL8, #'s match - being restored
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#13
02-06-2010, 08:47 PM
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Re: HEADERS
HI EVERYONE, I DON'T WANT TO CUT OFF MY COLUMN REVERSE LOCKOUT ARM FOR CLEARANCE. SOMEONE STATED THAT THE OLD VERSION (106) STAHL'S WILL FIT W/POWERSTEERING, BUT ONLY IN 1 5/8". THANKS EVERYONE, GREATLY APPRECIATED! JEFF
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#14
02-06-2010, 10:17 PM
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Re: HEADERS
For a streetbound 302, a 1 5/8" primary pipe is ample. If it's a race oriented deal, 1 3/4" or maybe a 1 7/8" pipe on a 7500+ rpm mill might eek out a few extra hp at the top of the curve.
I built a very mild street-oriented 302 crossram below in 2006 for a customer (pictured with his engine after the final dyno pull), and it made an easy and honest 377 HP with absolutely no tuning whatsoever using nothing more than a set of Hedman p/n 68270 1 5/8" street headers. (I can't guarantee everything will fit w/o any mods, but these pipes were pretty popular with the gang over on the camaros.net forum.) Bigger ain't always better, esp. when it comes to headers.  Click here if you'd like to read about the build. There's a short dyno video clip at the end as well. Eric
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