Quote:
Originally Posted by Hib Halverson
C2/C3s with L88s or ZL1s used the same exhaust system as other Big Blocks, ie: the pretty darn good Corvette BB exhaust manifolds, 2.5-in pipes and the bigger mufflers.
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Yes, they were delivered with that exhaust system. But the race cars Zora intended them for almost invariably used tube headers, and "off the road" side pipe configuration seen on factory supported L-88's.
I doubt if any part of those systems measured 2 1/2", except maybe the header downtubes.
A side issue- Where did they get that 430hp. figure? It's generally thought that it was pulled out of the air and put in the order form to coax the buyer into ordering the 3 carb 435hp. street version instead of the L88 race motor.
But did they "rate it" by going down the dyno rpm scale until they found the number 430, and rate it at that rpm, instead of where it actually peaked?