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Need opinions on a wild 4.8L

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Old 03-05-2013, 10:23 AM
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Originally Posted by cdub81
Factory freak!! Must be that Speedtek pride boosting dyno...

Lol it made 239rwhp 229rwtq out the showroom floor, its all in the setup man nothing to hide here your more than welcome to come see it on the dyno before and after the bottle
Old 03-05-2013, 06:56 PM
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I'd like to see the after. I'm about to do a cam, tune, long tubes and delete the cats on my 4.8.
Old 03-05-2013, 07:52 PM
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Here's the plate you need to slap on that
Old 03-06-2013, 09:36 AM
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Originally Posted by dirt track racer 81
Here's the plate you need to slap on that
I like this thanks for the idea
Old 03-13-2013, 10:22 PM
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What cam does it have?

Thanks.
Old 03-14-2013, 09:37 AM
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Comeon.. do a 250.. dont stop at 150.. weak sause!

i think it was 2-3 years ago my buddy wanted to do a big shot on his 350k mile 4.8..
Solenoids would only flow 250 worth. so thats what we did
Its still running today getting close to 400k and several transmissions.
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