Has anyone dynoed there stock 5.3

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Jun 11, 2004 | 06:34 PM

Wheatley

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From: Sealy/Katy TX

Has anyone dynoed there stock 5.3

Have any of yall ever dyno your 4.8's,5.3's or 6.0's when it was bone stock?If so what numbers did yall put down?
Thanks guys

Jun 11, 2004 | 06:53 PM

F8L Z71

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From: Sacramento, CA

242rwhp@5200rpm... I can't remember the TQ though.

Truck is in Sig

Jun 11, 2004 | 06:59 PM

Mr. Sandog

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From: Sun Diego

237 Rwhp
326 Rwtq

Jun 12, 2004 | 12:33 AM

quicksilverado

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From: Marietta, Ga.

Quote:

Originally Posted by Naked AV

237 Rwhp
326 Rwtq

How did you get 326 rwtq. I thought the 5.3 was rated 325-330 at the flywheel.

Jun 12, 2004 | 12:38 AM

F8L Z71

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From: Sacramento, CA

Maybe a TQ spike. I think mine only did 280 or so rwtq.

Jun 12, 2004 | 12:54 AM

Mr. Sandog

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From: Sun Diego

Oops, my bad, you are correct - that was a spike. I was just reading the numbers. From the dyno sheet graph it looks like about 265 RWTQ at about 4100 RPM's.

Jun 12, 2004 | 06:22 AM

Flem

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From: ferndale, MI

My 5.3L 4wd was 213 rwhp stock

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Jun 12, 2004 | 10:01 AM

Snake Eater

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From: Katy, TX

With K&N drop in (no real power adder), and a FloPro muffler welded in the stock pipeing...(basicaly stock)
259.6rwhp
304.xrwtq

Jun 12, 2004 | 10:28 AM

TigerFan187

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From: Louisiana

Any 4.8's

Anyone with 4.8 stock dyno #'s???????????????????????????????
On another note I destroyed a stock 5.3 GMC ECSB this morning.HEHE! I know I know I should have beet him but I still consider my truck pretty stock!!! OK besides the tune! LOL!