What twin turbo size should i run on a 4.8

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01-03-2016, 06:12 PM

Highwayman85

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What twin turbo size should i run on a 4.8

I have a 4.8 out of a 09 gmc I'm going to put forged everything in it the bottom also will be punching it punching it out as well just need to know a mm size

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01-03-2016, 06:47 PM

bigsapper

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Wrong sub forum. This is for the 2014+ trucks with the GenV Ecotech3 motor.

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01-03-2016, 08:11 PM

FFDP

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Single turbo is easier.

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01-03-2016, 11:02 PM

Lil brother PI

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No need to forge a 4.8 we have several 4.8s down beating the hell out of those motors runnin low 10s on a single turbo.....on just upgraded to twins

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