Dyno Guesses & Bench Racing Forum - hp of my 6.0?
05-21-2012, 08:56 PM
i didnt want to do this because track numbers mean more to me, but everyone asks me how much power it has, i kinda want a idea of what it might make. ive been tellin everyone random low numbers as a joke but its about time i get a idea... its a 2004 lq4 with ls2 pistons and rods, ls3 heads untouched, victor jr untouched, pro systems carb (980-1040 cfm flow i dont remember the actual #'s), 234/250 .621/.628 112+4 lsa cam motion cam, 1 7/8 long tubes. i know the 112 lsa isnt the best for a carb but its what i had. any guesses?
05-22-2012, 07:33 AM
80 lookers and no guessers?
05-22-2012, 07:42 AM
The 112 + 4 should work well with a carb. I would guess 580 hp to the flywheel. What does it run in the quarter? Eric L
05-22-2012, 10:41 AM
Yep 580 at the flywheel sounds about right. Hard to say at the wheels since you give no info on the car.
05-22-2012, 11:27 AM
Plus, wheel hp is SO dependant on high (numerical) gear ratios, high stall converters, and drivetrain absorbtion. Eric L
05-23-2012, 10:46 PM
i was tellin my family about 585 give or take, but everyone that asks assumed 400 hp and i just went along with it ha. its going in a 1989 gmc s15 pickup. built th400 3600 rpm stall with a 8.8 and 3.73 gears and some et streets. for now tho it will keep the small tires and stock rear end (3.73 gears) untill i build the 8.8 just to make sure it runs and moves alright. the truck will weigh in at about 2500-2600 lbs without me. it should have a traction problem with the tiny tires in the back. ive got a bunch of pics from the build but i am still in the process of installing everything so no track times yet. ive only got a 1/8th mile track close tho. thanks for the input ill post pics when everything is done.
06-10-2012, 11:28 PM
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