New Dyno Numbers
New Dyno Numbers 
396rwhp/370rwtq
setup is stock bottom end, ARD stage 2 heads with 2.02 intake and 1.57 exhaust flowed 290cfm at .600, port matched intake to the heads, cc306, 1.6 comp rrs, crane dual coil springs hooker lts, custom 3inch x pipe with bullets, moroso cai, dynaspark, msd 6al, taylor otvc wires, ngk 55 plugs, ram powergrip clutch. Im pretty sure thats everything
still on stock tb which is holding me back some and i will be getting a 58mm soon but its running well for now
Mark
oh and i have a video ill try and get it posted soon
Last edited by lt1 97 formula; Mar 2, 2006 at 03:02 PM.
Looks just like my dyno run!!
Dump that stock throttle body and do a TB bypass and you will be hanging with me for dyno numbers... and maybe even better.
Nice set-up for a M6, even better if it's an auto!
Dump that stock throttle body and do a TB bypass and you will be hanging with me for dyno numbers... and maybe even better.
Nice set-up for a M6, even better if it's an auto!
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Originally Posted by Black97
not very good for a 290cfm heads.. I guess your intake manifold is stock (unported) Because with these flows you should see at least 410+rwhp
Both AI and LE get this sort of power with 275cfm heads sometimes even more even through autos but those are different cams.
Overall nice number I just question the honestly of the flow numbers, or maybe that is the peak flow and lo/midlift just blows.
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Brett Foote The intake manifold is stock except it being port matched to the heads, yes I need a tb and ported intake but that will have to wait a little because I need tires first cant hook with this power right now lol. Yes I was expecting 410+ with this setup right now so im not really sure whats holding me back. Ill try and post up the flow sheet to the heads asap. But does anyone have any ideas why its making 10 or so hp short? What have other people made with similar setups with my cam? Thanks in advance. And like hugger99 said I have a ram clutch so yes its an m6
Mark
oh and I have to wait until my engine warranty is over in the summer to put a 150 shot on it, damn that will be nice.
Mark
oh and I have to wait until my engine warranty is over in the summer to put a 150 shot on it, damn that will be nice.
I was thinking 290cfm was pretty decent flow numbers from a stage2 LT1 head so is it the unported intake manifold the only thing holding back the heads? Whats they average flow specs on a stage2 ported LT1head?
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Joined: Mar 2004
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From: Tinley Park
I would expect a little more assuming the low and mid flow numbers fall in with the above average peak numbers. A custom cam similar to the 306 would have put you over 400 mark, in my mind, the way it sits. 25whp is def. a little high for a 58mm TB and the intake opened up for it. It will put you over the 400-405 mark for sure with what you got.
Porting his intake will help, same case as me. I've been told by a reputable porter I will see about 15rwhp. He is charging alomost nothing to do it so it's not a money making scheme for him. he is a friend that does it on the side now since he is a pilot.
