DYNO RESULTS !!!! :)

smooth · 03-14-2001, 02:49 AM

wow i really don't know what to say.

351 RWTQ @3750 RPM! is like.. the highest tq figure i have ever seen for a motor like this. seems almost unbelievable to me. but i am obviously not calling you a liar.

look at exgmguys car. he is running ported heads, same cam as you i think, not sure what else. he makes 270rwhp tuned with similar compression. granted he probably makes closer to 300 now, where is the 30hp coming from?

btw if you put your motor on an engine dyno i would not expect it to dyno any higher than 375-385hp. (of course you could do engine dyno tricks and probably pick it up) the drivetrain loss cannot be reliably predicted using a percentage. given the same rpm window it is a fixed number.

i've seen some built 302s dynoed, and these cars were putting up 340-350rwhp on a dynojet and less torque than that with much higher compression (one with pistons and rods, worked trickflows and close to 11:1 makes over 350rwhp now but i haven't seen it in person.)

if you took some good ported trick flows or some 165cc afrs with a little work w/ 10.5:1 and a larger cam i would expect 330ish rwhp with a 5spd stock rear and reasonable gears. and this motor would definitely make more rwhp than tq, peaking higher.

definitely makes me curious. if this dyno is telling the truth i think your dream will finally come true after what, atleast a year? 110mph trap speeds, lol

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03-14-2001, 02:49 AM	#1
smooth Registered Member Join Date: Nov 1999 Location: illinois, USA Posts: 649	wow i really don't know what to say. 351 RWTQ @3750 RPM! is like.. the highest tq figure i have ever seen for a motor like this. seems almost unbelievable to me. but i am obviously not calling you a liar. look at exgmguys car. he is running ported heads, same cam as you i think, not sure what else. he makes 270rwhp tuned with similar compression. granted he probably makes closer to 300 now, where is the 30hp coming from? btw if you put your motor on an engine dyno i would not expect it to dyno any higher than 375-385hp. (of course you could do engine dyno tricks and probably pick it up) the drivetrain loss cannot be reliably predicted using a percentage. given the same rpm window it is a fixed number. i've seen some built 302s dynoed, and these cars were putting up 340-350rwhp on a dynojet and less torque than that with much higher compression (one with pistons and rods, worked trickflows and close to 11:1 makes over 350rwhp now but i haven't seen it in person.) if you took some good ported trick flows or some 165cc afrs with a little work w/ 10.5:1 and a larger cam i would expect 330ish rwhp with a 5spd stock rear and reasonable gears. and this motor would definitely make more rwhp than tq, peaking higher. definitely makes me curious. if this dyno is telling the truth i think your dream will finally come true after what, atleast a year? 110mph trap speeds, lol