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Thread: Adjustable FPR ?'s
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06-04-2014, 10:37 PM #1Xtreme Member
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Adjustable FPR ?'s
OK, I have a Walbro 400 waiting to go in my tank but I have a quick question. Will the stock FPR be able to handle the increased flow without blowing the diaphragm or will I need a stronger adjustable FPR?
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Formula Build Thread
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06-05-2014, 12:22 AM #2"The Rock"
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I went adjustable (boost ref) ...only cause of boost. Was running a 340 prior.
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06-07-2014, 12:46 PM #3
What regulator did you go with? I thought the stock one raises fuel pressure at a 1:1 rate.
I'm in the same boat; my stock ones diaphragm broke with the addition of a walbro 465. Now the question is whether it was the volume from the pump or if it was a 22 year old regulator that was worn out...
The autozone one does have a 1 year warrantee in case I blow it again...
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06-07-2014, 12:48 PM #4"The Rock"
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Mine is a hypertech boost refd one. That one raises it 1:1 based on boost. Idk about the stock one.
LTXtech.com is my Drug...
Our BIG MOMENT @ the 2012 LTXshootout
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1996 Camaro Z28: RIP 09/25/2016
1994 Trans Am GT: SOLD 05/2017
1985/1996GS clone: SOLD
1996 Impala SS H/C, LT, with true dual exhaust, 4.10s, lowered, with CPT trans, many cosmetic mods, and a whole lot more to come...
2002 Caddilac EscaladeL CAI, lowered, 6.0 , AWD..
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06-07-2014, 12:53 PM #5
Is that one a stock replacement or did you have to plumb it in?
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06-07-2014, 12:58 PM #6"The Rock"
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Physically a stock replacemtn...but am upgrade.
LTXtech.com is my Drug...
Our BIG MOMENT @ the 2012 LTXshootout
http://www.facebook.com/photo.php?v=521756391174175
1996 Camaro Z28: RIP 09/25/2016
1994 Trans Am GT: SOLD 05/2017
1985/1996GS clone: SOLD
1996 Impala SS H/C, LT, with true dual exhaust, 4.10s, lowered, with CPT trans, many cosmetic mods, and a whole lot more to come...
2002 Caddilac EscaladeL CAI, lowered, 6.0 , AWD..
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