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LSX 427 L92 combo Dyno results

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Old 01-10-2008, 08:58 PM
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Default LSX 427 L92 combo Dyno results

Just to let things out a bit,I have been working with a few sponsers on this site and wish to thank them for all the great help to get this off the ground.

427 lsx build up and boosted soon enough........
All forged bottom end 10 to 1 static comp,L92 heads from WCCH.
This was just a break in run bringing it up to temp and seating the rings,made two pulls to 6300 and packed it away.This was done on 91 pump gas and a no trills BASIC tune!
Really had no real intrest in a N/A dyno.realizing the blower wont be ready soon decided to break itin and wait for the blower and dyno it again.
To my surprise WOW! This is going to be FUN.

588 hp @ 6000 532 tq @5600

Small duration cam 22x/23x 6xx/6xx

STOCK L92 TRUCK INTAKE
Just can't imagine what it will do when tuned.
once i figure how to attach the dyno sheet i will.



Last edited by supersub; 01-11-2008 at 07:00 PM.
Old 01-10-2008, 09:04 PM
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thats going to be a monster even more when you get the blower.
Old 01-10-2008, 09:05 PM
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oh nice numbers btw.
Old 01-10-2008, 09:23 PM
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Thats bad ***. I love seeing the guys that get it right with a small cam... That thing will be even more kick *** once you get the blower (or turbo) on it, trust me. Good Job!
Old 01-11-2008, 04:42 AM
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sweet jesus those are good #s
Old 01-11-2008, 07:03 AM
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engine dyno right?
Old 01-11-2008, 08:34 AM
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Originally Posted by gtodoug
engine dyno right?
I second that, or its an absolute freak if on a dynojet.

BTW be conservative with the boos level runnint 10:1 CR, I'd hate to see you blow the head gaskets or worse I'd be running meth at the minumum to or even race gas.

Either way, it will be fun for sure. What blower you running? F-1A or bigger???
Old 01-11-2008, 11:17 AM
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Is that rwhp? Nice numbers!!
Old 01-11-2008, 12:17 PM
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thats a crazy burban'
Old 01-11-2008, 06:13 PM
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Originally Posted by Websy21
I second that, or its an absolute freak if on a dynojet.

BTW be conservative with the boos level runnint 10:1 CR, I'd hate to see you blow the head gaskets or worse I'd be running meth at the minumum to or even race gas.

Either way, it will be fun for sure. What blower you running? F-1A or bigger???
Engine dyno only, 8-12 psi should be fine,should have plenty of injector for the job,91 pump gas,even messing with the possibility of E-85 boosted 7.0.

Engine is complete sitting in the corner of the Garage awaiting the blower.

working with Brian @ magna charger those are the only blowers i am interested in.
This is a DD and my whole family can enjoy,and at the drop of the hat be loaded and driven 2500 miles with out worry.
i have done it with 500 hp 5.3 magna charged.Added a family member so i added some more cubes

Thanks for the comp's guys......
Old 01-11-2008, 06:15 PM
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Originally Posted by SSilverSSurfer
thats a crazy burban'
My Kids LOVE IT! thats what keeps me going.
Old 01-11-2008, 08:31 PM
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Absolutely incredible....
Old 01-12-2008, 04:23 AM
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very very nice!
Old 01-12-2008, 08:17 AM
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That engine is begging for a big Kennebell.
Old 01-13-2008, 12:28 AM
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awesome makes me want to finsh the 427.
Old 01-14-2008, 07:49 PM
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Well tried to end to get this dyno sheet posted.With no success.If i could explian it it go like this..... upside down smily face is the ft lb's of tq startes 2500 rpm 423 up hill to 5500 rpm topping out at 532 slow drop to 477 @ 6300 pulling 750 cfm thru the maf.

Horsepower well thats like a rocket into space.... 201hp@ 2500 and climbs @ 60* angle up to 588hp @6000 rpm then down to 572hp@ 6300.

All in all if tuning was dialed in I believe this would have easily topped the 600hp mark on a stock L92 truck intake.
We will just have to wait and see what it does FI'd.....
Old 01-14-2008, 07:51 PM
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wow... good numbers
Old 01-14-2008, 08:28 PM
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damn! just to think what its going to be like with FI! Nice numbers n/a though.
Old 01-15-2008, 07:54 AM
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That dyno room looks familiar Traver
Old 01-15-2008, 11:44 AM
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Wow, can't wait to see what it does with the blower. Did I miss what this is going into?


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