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Dyno Sheets and Time Slips, (brag in this section) if you have proof, prove it


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Old 08-13-2012, 04:29 PM
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Default 300HP @ 11psi GT2871r

We have a '98 200sx on the dyno

Avinier from JGY
BC bump sticks
JGY fuel kit
JWT ecu
JGY BB37 (GT2871R)

..........11.2 psi 297HP
..........12.5 psi 305HP
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JGYCustoms, Inc.
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SR/RB/VQ technician

95 G20T with gti-r, Ksports, GT2871r, 350z blue, 18inch Enkeis08 Ruckus, torn apart

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Old 08-14-2012, 11:22 AM
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330HP and 305tq at 14.3psi


That's really really good.

If you are a member of the forum, you can see the chart.
Attached Images
File Type: jpg EvanDyno1.jpg (1.12 MB, 3 views)
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Jason
JGYCustoms, Inc.
www.jgy.cc

SR/RB/VQ technician

95 G20T with gti-r, Ksports, GT2871r, 350z blue, 18inch Enkeis08 Ruckus, torn apart

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Old 08-15-2012, 10:46 AM
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Last night, I was talking with Evan.

I went over something interesting with him.

His turbo is the GT2871r with the .64 a/r. Garrett rates that turbo at 390HP. We have learned over the years that we normally see more HP out of the SR than what Garrett suggests per psi. I attribute this to the design of the SR.

This is what I reviewed with Evan.

A. Assuming a 12% power loss from the motor to the wheels on the dyno, if you multiplied 390 by .88 (12 percent loss), you would see approximately 343.2HP on the dyno.
B. We are not even at 15psi, which is about half the potential of the GT2871R, and we are 13.2HP away from the max?

Obviously, with a few more psi, we should be able to pass the 350HP mark at the wheels.

It's neat food for thought.
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Jason
JGYCustoms, Inc.
www.jgy.cc

SR/RB/VQ technician

95 G20T with gti-r, Ksports, GT2871r, 350z blue, 18inch Enkeis08 Ruckus, torn apart

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