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Old 02-27-2001, 09:33 PM   #1
bttune2.5rs
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Location: longmeadow, ma
Question turbo fuel pressure questions

ive got a my01 rs and had a few ??? on turboing it. what are you guys running for fuel pressure at idle and at wot. how exactly does a rrfpr work. i obviously need a fp gauge huh? im gonna be runnung 5-7 psi. will a rrfpr and a bigger pump be all i need?

thanks,
todd. b
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Old 02-27-2001, 10:15 PM   #2
AaronB
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Voltage clamp (or check valve), RRFPR, and fuel pump should be enough for 5 psi.

That is what I am running. If you search on turbos or rrfprs you will get tons of good material to read on turbocharging the RS.

Aaron
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Old 02-27-2001, 10:18 PM   #3
AaronB
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Also, Yes you want guages. It would be difficult to get the RRFPR tuned without them.

The RRFPR adds x amount of fuel pressure per pound of boost you are running. So if you get a 5:1 rrfpr and run 5 psi, you should see about 25psi more fuel pressure under boost.

[This message has been edited by AaronB (edited February 27, 2001).]
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Old 02-28-2001, 01:59 PM   #4
stimpy
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$79.95 at www.summitracing.com

I am thinking that I want the guage for reference, not necessarly for 1psi accuracy. Therefore the non full-sweep guage will be just fine.

non-full sweep ($79.95):

<IMG SRC="http://www.autometer.com/hp/2001_catalog/competition/competition_art/5709_14_large.jpg" border=0>

full sweep ($179.95):

<IMG SRC="http://www.autometer.com/hp/2001_catalog/competition/competition_art/5761_63_large.jpg" border=0>

-Jon
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Old 03-01-2001, 12:33 AM   #5
stimpy
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Hey AaronB, did you find anywhere that had the electronic fuel pressure guage for cheaper than $180? I found a new 2001 fuel pressure guage that is not full-sweep for $70, but the full sweep is still godawful expensive.

-Jon
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Old 03-01-2001, 12:47 AM   #6
Jessie James
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You can get the Autometer Phantom 5709 electronic fuel gauge (not full sweep, tho) for $89.95 from www.RPMoutlet.com.

I found they had the best prices on all the guages, but their prices are going up 7% at the end of the month so hurry!
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