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

More tuning and new #'s!

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Old Nov 26, 2005 | 06:23 PM
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Default More tuning and new #'s!

445 HP
489 TQ

I'm pretty happy......for now. I think it is time for the 2.75 pulley . I'm thinking 15-16lbs boost. What do ya'll think?
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Old Nov 26, 2005 | 07:59 PM
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That Is Some Good Numbers For A 4.8 Not A Bad Time Either
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Old Nov 26, 2005 | 08:04 PM
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Man, who said a 4.8 cant produce some power!!!!! Those are freakin nice numbers.

Whats your goal for RWHP?? Are tryin to get to 500 at the wheels?
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Old Nov 26, 2005 | 08:25 PM
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Very impressive man, whats done internally if anything???, or are you on a stock lower end??
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Old Nov 26, 2005 | 08:57 PM
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Originally Posted by mjhoward
445 HP
489 TQ

I'm pretty happy......for now. I think it is time for the 2.75 pulley . I'm thinking 15-16lbs boost. What do ya'll think?
I was happy with the way it turned out today! That little 4.8 is impressive as hell. Stick that 2.75 pulley on there and lets go to the dyno again
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Old Nov 26, 2005 | 09:03 PM
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Is the gibbs edition built for boost? 30 degrees wot with 10+ boost is definately hangin em out there especially if the engine isnt built.

Those are great numbers
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Old Nov 26, 2005 | 09:05 PM
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smokin!
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Old Nov 26, 2005 | 09:34 PM
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That's excellent!

It gives me hope for my new Radix combo.
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Old Nov 27, 2005 | 06:41 AM
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What was changed while tuning?
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Old Nov 27, 2005 | 10:00 AM
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Wow! Very nice.

2.75" gulp.

I guess you gotta do it.

Good luck.
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