Quote:
Originally posted by tommy
Well, I'm definitely no turbo guru, but from what I have read and researched, you could get pretty close to 300whp on a T28 if you used a Cobra MAF or 300ZTT MAF and 50lb injectors running a 4 bar program on a JWT ECU. If I recall correctly, the T28 can support 320whp max. Can anyone confirm or deny this? I am curious as to if this setup could be run with pump gas and not suffer form detonation.
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The key here is pump gas. The smaller T28 when pushed to it's limits to produce that much power in not as efficient as a bigger T3/T04E. Lower efficiency = higher intake temps = greater chance of detonation.
A T28 making 300whp will probably hit that at about 5k rpm and then drop off a lot up to redline. The T25 turbine can only flow so much. The T3 turbine will be more efficient in the higher RPMs as it is not being pushed as much.