endyn fuel pressure releif mod
09-15-2003, 06:36 PM
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endyn fuel pressure releif mod
I did this mod and now that Its done I got about 40psi fuel pressure with the car on and the needle shakes from 38-40 constantly. Should it do this? Kinda freaks me out. Its a walbro255lph im running.. dsm450's afc hack.
09-16-2003, 06:29 AM
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Re: endyn fuel pressure releif mod (Mista Bone)
So is the shaking pressure needle thing alright? Im worried bout it not holding in boost.
09-16-2003, 08:31 AM
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Re: endyn fuel pressure releif mod (SOFLSOL)
Yep - I assume you have the B&M gauge? It tends to do that... my in-car autometer holds steady - it's the mechanical gauge you're using. Don't sweat it.
With the fuel pressure mod, I'm at 39PSI.
With the fuel pressure mod, I'm at 39PSI.
09-16-2003, 09:20 AM
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Re: endyn fuel pressure releif mod (GSRswapandslow)
it is basically drilling out a hole in the stock fpr so that it returns fuel faster and get rid of some built up pressure. while it has worked for many including myself, i would recommending spending a lil more and getting at least an aem fpr if you cant afford an sx or aeromotive. then at least u can turn down the pressure or get a bigger return orifice. i hate having to prime my car so many times just to get it started, esp since my turbo timer is always on. personally i dont think its worth the hassle but works for a temp solution
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09-16-2003, 09:28 AM
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Re: endyn fuel pressure releif mod (ALL MOTOR LS)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by ALL MOTOR LS »</TD></TR><TR><TD CLASS="quote">what is this mod you speak of?</TD></TR></TABLE>
http://www.theoldone.com/articles/regulator/
http://www.theoldone.com/articles/regulator/
09-16-2003, 12:23 PM
#9
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Re: endyn fuel pressure releif mod (Pengo)
I don't have any problems waiting for the pump to prime the motor.
I start the car like normal, fires right up.
I start the car like normal, fires right up.
09-16-2003, 12:27 PM
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Re: endyn fuel pressure releif mod (SOFLSOL)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by SOFLSOL »</TD></TR><TR><TD CLASS="quote">needle shakes from 38-40 constantly. Should it do this? Kinda freaks me out.</TD></TR></TABLE>
yes.. if you want smooth reading.. get electronic gauge..
yes.. if you want smooth reading.. get electronic gauge..
09-16-2003, 12:50 PM
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Re: endyn fuel pressure releif mod (vtec.dc2)
Well aslong as im not the only one. 
Yeah losing pressure when the car is off kinda sucks.
Yeah losing pressure when the car is off kinda sucks.
09-16-2003, 06:56 PM
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Re: endyn fuel pressure releif mod (Mista Bone)
do you have an inline or intank? i had priming problems even with a walbro hi pressure intank. inline may be a different story
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