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18psi on 408 dyno #

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Old 10-08-2009 | 06:53 PM
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Default 18psi on 408 dyno # AND PICS VID

got the truck finshed. for the most part...lol, driving around is stuped.., just blows the tires off at 55mph. at 17degs timing and 18psi the new numbers are 853rwhp 825tq. going to put the new drive shafted in and the AWD transfer case the weekend. make a few passes next week. hope to have some pic up next week when i get the valve covers on.

i dont think that was to bad on pump gas a lil meth....race gas and track times to come soon...

Last edited by 05crew; 10-18-2009 at 03:33 PM.
Old 10-08-2009 | 06:59 PM
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whats your compression ratio?
Old 10-08-2009 | 07:11 PM
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Ditto ^^^^^^
Old 10-08-2009 | 07:13 PM
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Originally Posted by GMCtrk
whats your compression ratio?
Gotta be on the low side to run that much timing at 18 psi.
Old 10-08-2009 | 07:16 PM
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Nice!!

just one question..
why the low TQ? I havent seen too many turbo V8s make less TQ than HP..
Old 10-08-2009 | 07:18 PM
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Good numbers man
Old 10-08-2009 | 07:37 PM
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I want 18psi. Where do you get it? Is it something that you pour into the gas tank? That would be the only way I could get 18psi.
Old 10-08-2009 | 09:06 PM
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Awesome numbers, looks like Chris better get out and get that 10 second slip before you decide to man!
Old 10-08-2009 | 09:09 PM
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Are you using a LSX block?
Old 10-08-2009 | 09:16 PM
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Hey Josh nice numbers for sure. Sorry I missed your call the other night, drop a line if you need anything.



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