Quote:
Originally Posted by yellowchevy
LLY, LBZ, 3794, and 4094 have the same exhaust housing and compressor housing; only different is the compressor and turbine size/diameter.
LLY, LBZ, & 3794 are GT37 frame - Same turbine size reducer, turbine side inducers for the LLY & 3794 are the same where as the LBZ is a little smaller. Compressor side reducer size is the same for all 3 of them where as the compressor inducer size is different. LBZ 61mm, LLY 63.5mm, 3794 65mm.
The 4094 is a GT40 frame - It has a 68mm compressor inducer.
Do you have a back pressure gauge? I'd be interested to see what your back pressure was.
Yellowchevy
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No but id assume it gets up there because after you get enough speed and shut those vanes completely the truck will pull itself to a stop but i forgot to mention 1/4 times are 15.2 with slipping trans and dyno was 546 hp with max effort tune
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05-05-2017, 07:51 AM
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