My dyno numbers
Thread Starter
Instructor
Joined: Dec 2008
Posts: 129
Likes: 2
From: Houston Texas
My dyno numbers
I have an 08 ls3 w/ the npp dual mode and a vararam untuned. Got two pulls for $20 today. First run was 368whp/367wtq done in 3rd gear. Second pull was 378whp/375wtq done in 4th gear. Now these numbers are from a mustang dyno. My question is, what would the numbers be like on a dyno jet? Id post a pic of the graph but my camera sucks.
Burning Brakes
Joined: Oct 2008
Posts: 1,021
Likes: 0
From: HOUSTON TEXAS
where did you get it done??
I have an 08 ls3 w/ the npp dual mode and a vararam untuned. Got two pulls for $20 today. First run was 368whp/367wtq done in 3rd gear. Second pull was 378whp/375wtq done in 4th gear. Now these numbers are from a mustang dyno. My question is, what would the numbers be like on a dyno jet? Id post a pic of the graph but my camera sucks.
aka allbottle¬hrottle
Joined: Jun 2007
Posts: 13,759
Likes: 0
From: Brooklyn New York The DVL and the chicken sleep with the fishes....
St. Jude Donor '08
Auto or manual ?
Either way , add 10-15 hp for a dynojet reading , and you would be right around 390 rwhp - On par for the LS3
Either way , add 10-15 hp for a dynojet reading , and you would be right around 390 rwhp - On par for the LS3
Race Director
Joined: Mar 2005
Posts: 10,399
Likes: 26
From: Austin Texas
If you ignore all the exaggerated numbers posted by LS2 owners and from shops looking for high numbers;
LS2 Auto's were in the 330-335 RWHP, 65 to 70 HP loss from flywheel
LS2 Manuals were 340-345 RWHP, 55 to 60 HP loss from flywheel.
LS3 should be the same drivetrain losses since there were no major changes (except the A6 1.15 4th gear). Same criteria (Dynojet 248, SAE corrected, smoothing 5) we should expect the same losses,
LS3 NPP Auto, 436 (-65-70) = 366 to 371RWHP
LS3 NPP Manual, 436 (-55-60) = 376 to 381 RWHP
Since my '05 Manual dyno'd 346RWHP stock
and my '08 Auto Z51 dyno'd 372 RWHP stock I'd say the numbers worked pretty well.
LS2 Auto's were in the 330-335 RWHP, 65 to 70 HP loss from flywheel
LS2 Manuals were 340-345 RWHP, 55 to 60 HP loss from flywheel.
LS3 should be the same drivetrain losses since there were no major changes (except the A6 1.15 4th gear). Same criteria (Dynojet 248, SAE corrected, smoothing 5) we should expect the same losses,
LS3 NPP Auto, 436 (-65-70) = 366 to 371RWHP
LS3 NPP Manual, 436 (-55-60) = 376 to 381 RWHP
Since my '05 Manual dyno'd 346RWHP stock
and my '08 Auto Z51 dyno'd 372 RWHP stock I'd say the numbers worked pretty well.
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