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300zx: T28 upgrades 740cc - Pump Gas Dyno Tune

Upstate Z Club The Upstate Z Club is located in the Upstate of South Carolina and has members in Greenville, Spartanburg, and Anderson, SC.

300zx: T28 upgrades 740cc - Pump Gas Dyno Tune

Old 11-14-2009, 08:47 AM
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Join Date: Nov 2009
Location: Greenville, SC
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300zx: T28 upgrades 740cc - Pump Gas Dyno Tune

This 300zx belongs to Tim from Union. He brought it in to us sometime back for a few upgrades, including T28 turbos, 740cc Nismo injectors, Z1 dual intakes, and a Walbro in tank pump. His car is on a conservative tune on a Nistune board.

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This is the dyno chart for the boost controller OFF and on the low boost setting. Boost controller off make 10 psi, and the low setting is 14 psi.

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The high boost setting numbers were not posted by the customers request.




Regarding the "waves" at the top end of the chart. It's really quite simple and common with these setups, it's a combination of 2 wastegates and a boost controller trying to regulate boost and thus boost varies by 1-1.8psi.
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