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12-09-2005 08:01 AM #3
CHR Member
- Join Date
- Oct 2005
- Location
- delta, BC Canada
- Car Year, Make, Model: 81 gmc cabellero diablo
- Posts
- 104
do those heads have 1.84 intake valves or 1.72........the "416" castings have the 1.84 intakes and 58cc combustion chambers.......they would work fine with that small lift on a 350. I think you are running a way too tall gear for that motor combo......i would put a numerically lower gear ratio in there.....those heads won't be the problem, although, if you want and have the money to do so having them machined for 1.94 intakes will turn them into mini camel humps, but you will then need to upgrade to a more stout camshaft.
also, thats a very heavy car you are trying to move, so if you are looking to have a hard launch and good midrange..you will need to do some considerable amount of engine work to accomplish this.......I Love small blocks but if you have to move a mountain then stab a big block in there, the more torque the better to move it.....JMOLast edited by 81 cabellero; 12-09-2005 at 08:05 AM.
old habits die hard
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time for a new forum to visit. when they sold sr.com it went down hill fast. no more forum just a cheap site selling junkie cars. the canadians killed hr.com. mods are real pricks. as with any site...
Where is everybody?