Quote:
Originally Posted by R 70 Judge
Good thing you gave up on the '63 Tempest project because I have more than that in my car and it's still sitting in the garage.
With all if the nasty comments you've made about people's chit blowing up you better pray that karma doesn't make a special appearance just for you.
Who is assembling your engine? Just wondering
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I only made that prediction for Jack because of his cv1's go boom comments, but anyway it wouldn't be the first time a prediction came true, I think it was made the last time he blew it up but the prediction wasn't made in public. As far as my engine blowing up anything is possible, I wont cry and neither would Bill, we are man enough to handle it and move on. Wont hurt our feelings one bit, we would fully expect everyone to attack if it did blow up.
I said it once and I'll say it again, the 572 is not our ideal engine to build for racing, it was stuff I already had for a low rpm street engine. The crank is very heavy and the bore is small. Lets face it, the cv1 is still on the small side for a 572 ci. Do the calculations yourself, the piston speed gets crazy with a 4.750 stroke, requires a lot of cylinder head
Getting ci from stroke without bore being able to follow is not the best way to make a race engine but we are limited in bore with pontiac so it is what it is.
Id much rather race you guys with a short deck pontiac with cv1 or cv2's, this is the future as far as I'm concerned.
There is a reason why most ehead builds are in the 500 ci range, its because the heads are less and less optimal csa and valve to bore /stroke ratio wise the bigger the engine gets the heads are less effective.
How many 540 ci or bigger eheads builds are making over 1000 hp? I dont know of any, not saying they don't exist thats why I'm asking the question.
Traditionally with other makes like ford and chevy yes its easy to make big power with big ci engines, id say thats not true with pontiacs because of the bore limitations. Thats why smaller engines 500 ci make good power with pontiac, because thats the sweet spot for the bore and cylinder head limitations.
A short stroke engine will perform better than a larger stoke engine with the same cylinder head, the longer stoke just makes a poor performing cylinder heads problems magnify as to where it is a lot less with a smaller engine because the cylinder head demand is not there obviously.