TwinTurbo.NET: Nissan 300ZX forum - You don't need to measure spool "times", brainiac, you can
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Subject You don't need to measure spool "times", brainiac, you can
     
Posted by Scotts94z32 on December 25, 2002 at 10:54 AM
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In Reply To Youre the one who thinks a Gtech will yield accurate data. posted by John(Houston) on December 25, 2002 at 10:08 AM
     
Message see where your max torque and/or peak turbo pressure are. For example, I measured it on MY car before and after installing custom downpipes. Max spool was different in each gear, but was no higher than 3100 RPM in any gear. 15psi at 3100 RPM versus the typical 3700 maybe 3500 for the stock set-up. There were your data, and my point was proven. No BOV's, it was all about exhaust flow and a huge reduction in backpressure from the downpipe(s). It was also confirmed on the dyno when my torque max'd at about the same RPM's as was tested on the street; although no static (non-moving) data are a good comparison to actual highway pulls where there is an abundance of air flow to the intake, cooling air to the IC's, etc. The G-Tech, bite your tongue, was used as a tool to compare BEFORE and AFTER relative to the stock set-up. Do you have such data?

This is the type of data I'm talking about, data anyone can get by doing a few pulls on the street. "Faster spool up" doesn't need to be measured by a tech-wiz. Use your eyes, and a G-tech type tool to measure the actual response. If you spool faster, it should be noted in your times, as it was in mine (5.2 0-60 versus 4.5 0-60). Sure, maybe that data is 0.1, 0.2 seconds off, but statistically they are different.

Maybe it's more off "Those who wasted their money, want to believe it's worth it. Those who haven't invest in better areas"

Thanks for your time - drive through.

Nissan Z-cars - the best cars ever built...
Go Turbo, or go home
Bigger Downpipes = Bigger Man (and faster Z!)

Scott Performance in Santa Clara - You guys are the best!

     
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