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n00b gt45 questions warning cam recommendation content inside

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Old 10-02-2016, 04:49 PM
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so I finally have my turbo truck running pretty reliably. destroys tires at 7psi and doesn't knock or cough. 5.3/4l80e/68mm gt45/9" with 3.50's. still tuning on it and turning the boost **** oh so slowly.

https://ls1tech.com/forums/conversio...l#post19407366

working out some little things, but I of course have upgrade-itis already.

On the stand I have a 6.0 with gen 4 rods and 66cc 317's going together. most of the valve train is sorted out but i'll need a cam. I'd prefer an off the shelf grind. Current cam in the 5.3 is a comp cams 222/228, .566/.571 115+2. I'd like a little more lift...maybe around .600? psi 1511ml springs is what i have on hand and i'd like to use those. truck intake, truck manis, 2.25" to the merge. 3" cold side. basic denmah kit from VS.

I'd also like to step up the compressor side of the gt45, to like an 80mm. Is the turbine side the same? I'd like to reuse my turbine housing since I have my WG directly mounted there. I feel like thats a silly question but I googled the **** out of it and couldn't really get a straight answer.

Alright please be gentle and use lube I'm a first timer
Old 10-03-2016, 04:09 PM
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To answer my second question, nope the small gt45 is its own beast. Different exducer outlet, different flange to the CHRA than the other gt45s.




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