"Stealth" 382 with PRC stock valved #241's
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I know this is a pretty "oddball combo" but it turned out really nice. This is 01Hawk from the board's car. It is a 2001 10th anniversary firehawk. We did a Lunati 382 rotating assembly, with a very mild cam.. it's a Comp X-er 230/232 114lsa. That sucker idles so smooth thru the closed off borla! Besides the rotating assembly the car has a stock LS6 intake, a STOCK throttle body, NO underdrive pulley, Grot long tubes, running thru a full block off plate borla (no cutout). Now the story on the heads.. he wanted to run stock heads on it since his plan it to spray it pretty heavily on down the road and wanted to spend that money on a fuel system. Well, I had a set of 241's that I had sent out to Jason @ TSP to have PRC port them and reuse the stock valves that I was going to stick on my wife's car. I sold them to 01Hawk really cheap and below is what the combo did dyno'd thru the full exhaust.
Now for the BEST part, the drivetrain!! The car has a Moser 9 inch with 35 spline axles, Denny's Nitrous Ready Steel drive shaft.. and get this... 4.56 gears
Geezz.. this thing will blow away street tires in 3rd gear without a problem! First graph is his dyno run from today, the second graph is his car vs my car with the mods I have in the Sig for comparison. Can't wait to spray this smooth idling thing in a couple of weeks.
Now for the BEST part, the drivetrain!! The car has a Moser 9 inch with 35 spline axles, Denny's Nitrous Ready Steel drive shaft.. and get this... 4.56 gears
![EEK !!](https://ls1tech.com/forums/images/smilies/LS1Tech/gr_eek2.gif)
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Originally Posted by SideStep
Good info.... still thinking about ThunderRacing's 382...
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The 4.030 bore on a 408 REALLY helps the power. If someone could come up with a good knock sensor fix for the LS2 aluminum blocks, that would be the sure ticket. I went ahead and did the iron block on my car, heck that extra 70lbs or so will never be noticed
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Originally Posted by gomer
... If someone could come up with a good knock sensor fix for the LS2 aluminum blocks, that would be the sure ticket. I went ahead and did the iron block on my car, heck that extra 70lbs or so will never be noticed ![Devil](https://ls1tech.com/forums/images/smilies/LS1Tech/gr_devil.gif)
![Devil](https://ls1tech.com/forums/images/smilies/LS1Tech/gr_devil.gif)
The iron block is starting to look really good...
![Nod](https://ls1tech.com/forums/images/smilies/LS1Tech/gr_nod.gif)
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Originally Posted by Bo White
Cool combo
, need to get a ported TB ![The Judge](https://ls1tech.com/forums/images/smilies/LS1Tech/gr_judge.gif)
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Originally Posted by 2bseen
We ran a 1/8 in it last night at 80s degrees and slick track on drag radials. It went 7.65, just couldn't get any traction.
![Devil](https://ls1tech.com/forums/images/smilies/LS1Tech/gr_devil.gif)
I ran a 7.38 on 17inch BFG drag radials in it before I tuned it
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Originally Posted by 01hawk
Gomer what was the temp and humidity when you did these pulls. Didn't know someone asked me
94.24*F, 29.37 in-Hg, and 22% humidity. That's what the run condidtions were listed as... even thought I could have swore it was 100* down there Saturday
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Originally Posted by ddnspider
im suprised a cam that large acts so small in the 382...i guess my 383 with a comp 224/224 on a 115+3 should act like a baby!
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youll need better flowing heads to make it worth your while,or go FI when you do it to take advantage of the increased stroke.for ex,i was told that with the 383 at 9:1 CR at 10#s ill see somewhere in the neighborhood of 650rwhp....making good use of the displacement.
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I wish i had 650rwhp. I have thought about going with a different set of heads though. If my brother ever takes his off of his truck may buy them and add a little gas. Hope to get 550rwhp with that setup if i go that way.
Last edited by 01hawk; 07-25-2005 at 04:25 PM.