Quote:
Originally Posted by lok
you are fucking stupid.
i have had my sr for 7 years....
I have tracked and drifted all these setups and still have a perfectly good motor.
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'Runs well' and 'Runs right' are certainly two different things. Kids run 15/16 psi on a t25 without issues, others explode them at 10.
It's not worth the risk, or the minimal gain to push my luck. You're not getting a trophy for running it, and nissan ain't helping you rebuild it if explodes, so why bother pushing it.
Quote:
Originally Posted by mct3351
This broad all encompassing statement is absolutly WRONG! The only slight variance, at 7psi, would be in which efficiency island your on.
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What does efficiency islands have to do with total air flow like Justin is trying to explain to you? 70% efficiency on a turbo that doubles the flow of a another turbo in the 80% efficiency is MUCH more air flow and MUCH more power.
7 psi is not 7 psi on anything. t25 to gt35, YSI to F2.
I think what you are trying to say, is that at 7 psi neither the t28 or the gt28xx will blow up the engine...and that's probably true. BUT that's not to say that 7 psi is the same amount of total flow from both. You can NEVER relate BOOST per safe....A t25 car with S3 cams will push everything past the limits, it just flows air like crazy.
So while you may be right about 7 psi not making a difference, your explanation is totally wrong.
Offtopic What I'd like to see is a comparison (albiet it will never happen) of a t25 at 14 psi vs a 28xx at 7 psi to see what has a better average power band....and then measure it across time.