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blow through power valve issue

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Old 04-04-2012, 08:46 PM   #1
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Default blow through power valve issue

I have a 5.3 ish lol with a blow through setup. I use to have a 60mm turbo 13psi setup I ran for a yr. no issues made pretty good power. I recently changed to a 76mm turbo. same 13psi. but since the turbo swap I got a issue of blowing power valves. I think boost pressure is doing it. I've been running normal power valves. is there a boost reference power valve made for higher boost pressure?
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1990 240sx (5.3 single turbo swap)
5.74@120mph 1/8th 1.41 60ft
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Old 04-05-2012, 06:08 PM   #2
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I thought the BRPV was a general one size fits all, if no one here helps then try www.theturboforum.com
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Haw mut horzpowa sbc or lsx eenjun mayk b4 eet need tarbo liked da 2jz?
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Old 04-06-2012, 08:48 AM   #3
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Thanks. I'm going to the track tonight. maybe someone there can help me out.
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2006 duramax DD
2000 z28 m6 DD
1980 c3 vette
1990 240sx (5.3 single turbo swap)
5.74@120mph 1/8th 1.41 60ft
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Old 04-06-2012, 02:09 PM   #4
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Good luck, i hope it goes smooth when i decide to go boosted on my 6.0, guess we will see.
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BUILT NOT BOUGHT
80 Coupe 6.0 TH400
86 TA 5.3, 4L80
92 S10 ECSB 4.8 T56
Quote:
Originally Posted by -Ross- View Post
Haw mut horzpowa sbc or lsx eenjun mayk b4 eet need tarbo liked da 2jz?
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Old 04-12-2012, 07:34 AM   #5
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Talked to a guy at the track who is suppose to give me information on how to build a custom power valve for boost. but the track trip went pretty well. ended with a 6.23@119mph pass. spinning a 1.50 60ft.
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2006 duramax DD
2000 z28 m6 DD
1980 c3 vette
1990 240sx (5.3 single turbo swap)
5.74@120mph 1/8th 1.41 60ft
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Old 09-03-2012, 08:13 PM   #6
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any word on how to make the power valve from the guy at the track?
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Old 09-04-2012, 08:25 AM   #7
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Nah not yet. I haven't been back to the track in a while. I will get more details over winter. looks like I'm done for the season.
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2006 duramax DD
2000 z28 m6 DD
1980 c3 vette
1990 240sx (5.3 single turbo swap)
5.74@120mph 1/8th 1.41 60ft
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Old 09-05-2012, 12:30 AM   #8
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try this website theres a lot of good info on blowthrough's and BRPV's
check out the blowthrough section ya might have to search......

http://www.theturboforums.com/smf/index.php
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Old 09-05-2012, 12:30 AM
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