Thread: Boost on GTiR

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2011-07-04 01:56:07

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Boost on GTiR

How much can you boost on a stock GTiR motor in a B13.

Car has:
walbro 255 fuel pump
N60 Maf
JWT Chip ECU
Metal Head gasket from Gspec

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2011-07-04 07:16:24

zer099

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As much as you can tune it for... though the debate is it losses efficiency past 16ish psi; though some will argue that it has life up to 18psi. That's on the stock t28.

Stock R's have been known to hold upwards of 400ish whp with the proper tune with completely stock internals.

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2011-07-04 15:10:47

boost96

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I would agree with zero099, after going over 16 psi with the gtir turbo, there's no major gain. At 17psi on my stock gtir motor, it began to feel like it was running out of breath. However, as long as your JWT tune is good and you have an accurate wideband, it should be safe to experiment within the 16-18psi range to determine which amount is best for your setup.

Last edited by boost96 on 2011-07-04 at 15-15-24.

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2013-06-11 18:50:00

nibbz9999

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low man just wondering if you have a bin file from jwt? for gtir motor?

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2013-06-21 17:06:23

LAM-PARK

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Your only limit is the N60 MAF

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I DON'T ALWAYS WORK ON TURBO CARS, BUT WHEN I DO IT'S A SR20. STAY BOOSTED MY FRIEND!

Current Hoard Index
[/CENTER]
1 P10, 5 B13s, 13 B14s, & 4 P11s to name a few...
Rev. 07/26/20

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2013-06-21 17:08:05

Kyle

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Old thread is.... old?

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2013-06-21 17:55:13

Kyle

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Why not ask for a tune in the tunes thread?

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2013-06-24 19:17:30

nibbz9999

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hello man.... just want to ask.. anyway i have my stock gtir engine on my b13.

now i do have walbro 255lph
stock maf

but i'm only running on .5 boost.

as what i know the stock is around .7 boost. do you have any advice what are the following stuff i could check on to increase my boost?

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2013-06-24 20:21:56

LAM-PARK

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Originally Posted by nibbz9999

Before increasing boost, upgrade your MAF and ECU accordingly.

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I DON'T ALWAYS WORK ON TURBO CARS, BUT WHEN I DO IT'S A SR20. STAY BOOSTED MY FRIEND!

Current Hoard Index
[/CENTER]
1 P10, 5 B13s, 13 B14s, & 4 P11s to name a few...
Rev. 07/26/20

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2013-06-25 04:47:24

#10

nibbz9999

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yes i already have my chip ecu and n60 maf ready... but can't i increase my boost from the stock maf?

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