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Old Dec 20, 2016 | 06:44 PM
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Default Pre 05 6.0

What is the most hp with boost someone has gotten out of a pre 05 6.0 SBE?
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Old Dec 20, 2016 | 07:37 PM
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I made 673hp and 727tq on a 03 lq4 with stock rods Pistons and crank. On a On3 7875.
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Old Dec 20, 2016 | 07:53 PM
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Still have it? If not what happened to it?
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Old Dec 20, 2016 | 07:55 PM
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The weak point here is the rods. I have made 860whp on Gen 3 rods. 150+ traps. 22-23psi. Bent them on an accidental overboost pull.

Others have made more i believe.
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Old Dec 20, 2016 | 08:10 PM
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Originally Posted by coltboostin
The weak point here is the rods. I have made 860whp on Gen 3 rods. 150+ traps. 22-23psi. Bent them on an accidental overboost pull.

Others have made more i believe.
what was your setup on the motor? And what fuel did you run?
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Old Dec 21, 2016 | 05:48 AM
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there is a red z28 on here that has gone 8.80s with a gen 6.0 . its still running.
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Old Dec 21, 2016 | 07:06 AM
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Originally Posted by twotoxic13
Still have it? If not what happened to it?
sold the car to start another project. I know there is people out there that has made a ton more power on gen 3 rods and think my setup had a little more in it. But it was enough to push a heavy Fbody 131mph in the 1/4 and that's with me granny shifting the stock t56 that had 261,000 miles on it and the stock 10bolt that had the same mileage on it. Sooooo I was pushing more than just the gen 3 rods to thier limits.
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Old Dec 21, 2016 | 07:23 AM
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The 2003 LQ4 has been in my car for 4 years now. Best 1/8th mile pass is 5.98 @ 119 off the footbrake. Never ran it in the 1/4 this year but I did last year and it went 9.54 @ 147.

I've had 4 different turbos on it, and two different cams in this thing and it keeps going. I am putting together a good rod/piston bottom end this winter though. I don't want to push my luck much more and want to go faster this year. I think my converter being loose up top is helping it stay together as well.
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Old Dec 21, 2016 | 02:58 PM
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Thanks for the info guys..
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Old Dec 25, 2016 | 01:39 PM
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Originally Posted by HaterMaker
what was your setup on the motor? And what fuel did you run?
twin on 3 Billett 67's. bone stock even Cam and intake Manifold. Cam2 from the lcoal gas station.
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Old Dec 25, 2016 | 10:13 PM
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Originally Posted by olegreen94
sold the car to start another project. I know there is people out there that has made a ton more power on gen 3 rods and think my setup had a little more in it. But it was enough to push a heavy Fbody 131mph in the 1/4 and that's with me granny shifting the stock t56 that had 261,000 miles on it and the stock 10bolt that had the same mileage on it. Sooooo I was pushing more than just the gen 3 rods to thier limits.
"Heavy Fbody" ...........lol.........

That's amazing the trans and rear took that abuse, but the miles are incredible. You musta been doin something right!
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Old Dec 25, 2016 | 11:58 PM
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Iv went 8.86 @ 157 with my gen3 lq4, billet s483 on 21lbs and still hazing the tires, I'd say it's got a 8.60 in it on each it works good. It's all in the tune to make them live. I have about 25 passes on mine and thousands of street miles on it.
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Old Dec 26, 2016 | 06:38 AM
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there is the car I was thinking of. 8.86 is running good on gen 3 rods. you must be keeping the timing soft at torque peak .
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Old Dec 26, 2016 | 10:00 AM
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15 deg total timing on it and was tuned on 100 unleaded but run 110 to keep it even safer.
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Old Dec 26, 2016 | 09:12 PM
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Originally Posted by slocaddy
"Heavy Fbody" ...........lol.........

That's amazing the trans and rear took that abuse, but the miles are incredible. You musta been doin something right!
well heavy in the sense of it being a full weight car... but it had nothing on your caddy!!!

yes the tranny started whining before I got rid of the car but was still going strong at that power level. And the 10bolt lived because of lack of traction I assume.
But regardless the gen3 rotating assembly had 2500 miles on it or constant beating on it when I got rid of it 2 1/4 mile passes. So I wouldn't say I pushed it for a long time but it showed no signs of stopping. I just sold the car to start a different project.
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