GMT 800 & Older GM General Discussion 2006 & Older Trucks | General Discussion

Did a little street racing with poor results.

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Old Sep 19, 2004 | 12:26 PM
  #21  
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Do you have a dyno sheet on this setup without the jug? I'm really curious because I don't see a lot of LS1 motors peek that high without a crazy cam.

Yeah, IMO a 3800rpm stall is minimun what you would need with that kind of powerband. I feel the 3800 is still streetable in a lighter truck like yours. Then again, my T/A had a PT4400 stall in it for daily driving. LOL
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Old Sep 19, 2004 | 07:33 PM
  #22  
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Originally Posted by Scream
You need to come back down here so I can bust that extended-cab ***!
I think i got you unless you have finnaly gotten rid of that peg leg. With a posi out back i think it would be a close race.
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Old Sep 19, 2004 | 07:37 PM
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Originally Posted by F8L Z71
Do you have a dyno sheet on this setup without the jug? I'm really curious because I don't see a lot of LS1 motors peek that high without a crazy cam.

Yeah, IMO a 3800rpm stall is minimun what you would need with that kind of powerband. I feel the 3800 is still streetable in a lighter truck like yours. Then again, my T/A had a PT4400 stall in it for daily driving. LOL
I only have the stock dyno from 02'. No new dynos with the combo, but a couple friends and myself are planning on a trip to have our trucks dyno tuned in Oct. I'm hoping i can get HP tuners before then and at least get a decient tune.
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Old Sep 19, 2004 | 07:39 PM
  #24  
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How can you go 130 w/o a tune?
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Old Sep 19, 2004 | 07:52 PM
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It was tuned with edit at a friends shop in TX after the heads and such. I just havent had it tuned for the cam yet. I know i'm leaving alot of power on the table with no tune for the cam. Before the tune i had a Jet SCU 2000 which was a POS, and was glad to get rid of it.
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Old Sep 19, 2004 | 08:28 PM
  #26  
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Originally Posted by Snake Eater
I only have the stock dyno from 02'. No new dynos with the combo, but a couple friends and myself are planning on a trip to have our trucks dyno tuned in Oct. I'm hoping i can get HP tuners before then and at least get a decient tune.
When you get it tuned I'd really like to check it out. I thought my 226/.525/112 cam would peak a lot higher than it did but it only peaked at 5900rpm, although it held that peak till almost 6600rpm before slowly falling off.

I've always been interested in your setup and what it would look like in a truck on a dyno sheet.
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Old Sep 20, 2004 | 07:30 AM
  #27  
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You'd be surprised at my stock dyno. I think i got somewhat of a factory freak. I'll scan it right quick and post it up in a minute.
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Old Sep 20, 2004 | 08:35 AM
  #28  
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Here is my stock dyno. The only mods in this was i had a 3" flowpro muffler welded into the stock piping, and a K&N drop in filter.

First run was stock tune with the stock 5900rpm rev limmiter. Stock it ran rich as hell, but made power.

Second run was with HPP3 87 tuning and the rev limmiter raised to 6300rpms. It leaned it out, but lost alot of TQ and a little HP.

Third run was same as the second, but with 93 tuning.

Proof positive that the HPP3 sucks.
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Old Sep 20, 2004 | 08:51 AM
  #29  
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Linky no worky.
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Old Sep 20, 2004 | 09:00 AM
  #30  
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Its workin for me. Try it again and if it doesnt load just go to properties and paiste it in a new window.
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