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

4.8 predictions?

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Old Dec 3, 2004 | 01:21 PM
  #31  
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i assume you're pulling it there?
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Old Dec 3, 2004 | 04:13 PM
  #32  
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Originally Posted by zippy
i assume you're pulling it there?
hell no, driving it!! but my house and trailer are only about 20 minutes away 10am tomorrow is when.

the more i think about it the more 600rwhp seem unlikely. i am not going to change my prediction because i really dont know what to guess. somewhere between 500 and 600rwhp i suppose but who knows.

i did see 54lb's of air on pump gas. that seems prety good to me.
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Old Dec 4, 2004 | 12:19 AM
  #33  
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parish that would be just fine, timing and the a/f ratio with the boost numbers will work, just want to see what the max is for this puppy.
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Old Dec 4, 2004 | 01:26 AM
  #34  
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I would love to see 500 rwhp on pump gas. If you do get that, it would be great. Scrap the lq4 plans, I want the little engine that could, haha
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Old Dec 4, 2004 | 02:32 AM
  #35  
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i love you for this.....love 4.8s
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Old Dec 4, 2004 | 08:05 AM
  #36  
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500rwhp on pump isn't going to happen. 450 MAYBE, 400 prety likly.
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Old Dec 4, 2004 | 08:29 AM
  #37  
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Parish: Cant you run a quarter mile time on the dyno just to get a "guessestimation" of what the truck will run?
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Old Dec 4, 2004 | 08:33 AM
  #38  
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i dont know about that, never tried it. i will be able to make a prety good prediction of what my time would have been, i think that is the best ET your going to get.

if we dont blow it up i will go get another gtech with the race fuel. i dont have the nitrous hooked up at all right now so it would be a boost only run. this motor spools faster than the 6.0 and gets out of the hole nice. i wouldn't be suprized to see the gtech telling us high 11's.
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Old Dec 4, 2004 | 09:27 AM
  #39  
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Originally Posted by parish8
500rwhp on pump isn't going to happen. 450 MAYBE, 400 prety likly.
I made 435rwhp with the radix setup on 93 oct with a safe tune. you should be able to see 450 easy I would think. I guess in a couple of hours we will know
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Old Dec 4, 2004 | 09:41 AM
  #40  
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i just wanna know if it make 400rwhp with no problems in others safe to drive daily.!.
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