Highest lift cam on stock pistons

QuantumMotorsports · 05-29-2001, 07:05 PM

Thanks for the help guys. As far as checking the clearance, I understand what you mean by using clay, but since the lifters will "deflate" since they aren't solid lifters, how can you be sure that the valves are getting lifted the right distance? Seems to me that when I replaced my lifters, the lifters would compress slightly when hand cranking the engine. I might be wrong though. Is there some trick to keep them up all the way? At first I thought that you could put the piston at TDC and then push the valve down with a spring compressor and measure how far down it would travel, but I don't think the valves are at max lift at TDC. Anyway, it'll be a while before I start having to check clearances, but I'd appreciate some help. Thanks again.

------------------
Michael Black
Quantum Motorsports
Norman, Oklahoma

1988 Merc Cougar 5.0 HO, Ported and Polished E7TEs, 2.25" offroad H pipe w/ 2 chamber flowmasters, T5 tranny
New E/T!!!
14.626 @ 94.94mph, 2.194 60' time, a little better than last time. Keep in mind this thang is heavy (3590lbs) Finally 14s!!!!

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05-29-2001, 07:05 PM	#7
QuantumMotorsports Registered Member Join Date: Jul 2000 Location: Norman, Oklahoma, USA Posts: 597	Thanks for the help guys. As far as checking the clearance, I understand what you mean by using clay, but since the lifters will "deflate" since they aren't solid lifters, how can you be sure that the valves are getting lifted the right distance? Seems to me that when I replaced my lifters, the lifters would compress slightly when hand cranking the engine. I might be wrong though. Is there some trick to keep them up all the way? At first I thought that you could put the piston at TDC and then push the valve down with a spring compressor and measure how far down it would travel, but I don't think the valves are at max lift at TDC. Anyway, it'll be a while before I start having to check clearances, but I'd appreciate some help. Thanks again. ------------------ Michael Black Quantum Motorsports Norman, Oklahoma 1988 Merc Cougar 5.0 HO, Ported and Polished E7TEs, 2.25" offroad H pipe w/ 2 chamber flowmasters, T5 tranny New E/T!!! 14.626 @ 94.94mph, 2.194 60' time, a little better than last time. Keep in mind this thang is heavy (3590lbs) Finally 14s!!!!