How much Hp/Tq will a 6.0L put to tires...

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Dec 26, 2006 | 10:36 PM

#21

dirt track racer 81

TECH Senior Member

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From: Hennessey, Oklahoma

dyno's my cousin's stock 07 silverado ss lq9 made 243 rwhp on a mustang dyno..lot of it depends on the dyno...different dyno's read different numbers..dyno's are mainly for tuning

Dec 26, 2006 | 10:54 PM

#22

83 Chevy

On The Tree

Joined: Sep 2005

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From: Idaho

Quote:

Originally Posted by BADMOFO

I didn't think they were that high. I do have a cat-back and air intake, whatever that is worth. I don't know about simulated wind drag and all of that ****, I would think that would be hard to simulate between a truck and an F-body or corvette due to aero drag...but I know Jack ****. I do know that my truck with a "safe" tune and those mods I listed (and a TT3000 converter if that matters to ya) put down like 297/303 or something, the graph is somewhere on here. I'm still not buying the rear ratio thing.

Mine was run in 3rd gear (1:1) up to about 5300 rpm, with a 3.42 gear and a 28.9 inch tire.

I thought they were high. My LQ9 with a Nelson tune and drop in K&N put out 289 HP and 320 Ft-Lbs to the rear wheels. You had more HP than that. A stock LQ4 only puts out 300 HP at the crank, while an LQ9 puts out 345 HP. Maybe you have a helluva good running LQ4.

When you set up on the dyno, you input the vehicle's weight and look up the drag coefficient in the database that comes with the software for the dyno. That is how it knows how much magnetic resistance to add. I also ran mine in third for the dyno numbers.

So the truck you have with the LQ4 runs in the 13's? That is impressive. Especially if you are running 3.42's. Have you changed the cam?

Mike