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Generation IV Internal Engine 2005-2014 LS2 | LS3 | LS7 | L92 | LS9

Tpis 427 L92 Results

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Old 02-08-2007, 11:28 AM
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i dont think so intake wont bolt up
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Old 02-08-2007, 12:59 PM
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Originally Posted by SDB
E85 is what, 105 octane? What all fittings did you need to change to use E85?

Interesting stuff this spring....L92 headed big cube NA motors, hopefully some FI/L92 400+cube motors, running 105 octane pump fuel....cheap power for a daily driver to be sure!
408/L92 with a D-1 & alky to be running in the next couple weeks.
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Old 02-08-2007, 03:28 PM
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Originally Posted by kcmags
408/L92 with a D-1 & alky to be running in the next couple weeks.

Now, thats what I want to see
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Old 02-08-2007, 03:36 PM
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Originally Posted by 1bigcam
that should be like 600 at wheels thats great,spec's on the heads
I seriously doubt that 670 fwhp will make 600 to the wheels. Probably not even close, more like 570ish. Those are definetly great results though.
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Old 02-08-2007, 10:17 PM
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Nice motor big guy!!!!!!!!!!!!!!! that engine builder over ther knows his ****..lol
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Old 02-09-2007, 01:11 PM
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Thanx Clay, Next winter LSX and 511 cubic in. That's what I'm talking about. 2 million horsepower next year.
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Old 02-10-2007, 10:26 PM
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sounds good , just 2 million......... have to buy a new dyno!!!!!!!!!!!!!
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Old 02-25-2007, 11:08 AM
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Originally Posted by Trail 70
The cam really liked to be retarded.
Just like the guy behind the wheel. ha ha ha
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Old 02-25-2007, 01:01 PM
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FWIW 670 FWHP = ~570 RWHP through a 6 speed (15% loss), 670 FWHP = ~536 RWHP through auto (20% loss).
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Old 02-25-2007, 05:15 PM
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why do stock 2005 gto's put down 340 hp whp when they are rated at 400 flywheel
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Old 02-25-2007, 05:21 PM
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Originally Posted by valdeztke
This may be a really "dumb" question:

Can you use the L92's on an LS6 w/ a maggie?
The l92 heads for sure will not bolt onto the ls6 block because it has too small of a bore. As for the maggie bolting to the heads I dont think that would work either because they use a different intake.
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Old 02-25-2007, 11:40 PM
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Originally Posted by 1bigcam
why do stock 2005 gto's put down 340 hp whp when they are rated at 400 flywheel

Its based on a percentage of drivetrain reduction. As a rule of thumb with most of us, yes it works out to about 60hp +/- a few. But with numbers as high as these big cube guys are making, the number (percentage) eats a larger chunk of the number. Not sure if clarified or clouded the issue.

Example: 500 - 15%= 425hp (75hp loss) 1000 - 15%= 850hp (150hp loss)
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