2nd Generation Specific 1986-1992 Discussion

Pd Options

Old 01-15-2004, 08:08 PM
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Join Date: Dec 2002
Location: Wayne, NJ
Posts: 4,838

ok my pulsation damper is and has been leaking, i just wanna fix it.

what can i do besides just buy a whole new s5 rail (since s5s are one-piece)

someone mentioned usnig an 87-88t2 rail tapped to fit a marren fuel pd bla bla bla.

would it be safe to just not have a PD?

if i put an aftermarket fpr would it rid the need for a PD, if so which FPR should i go for?

teknics is offline  
Old 01-15-2004, 11:27 PM
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Join Date: Dec 2001
Location: Louisville KY 40299
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Ive seen arguements against not running a PD but never seen it actually come true.

In theory, running without a PD can allow pulses to build up in the rail and at certain times, resonance could propagate inside the rail ( and fuel lines ) potentially causing them to rupture or inhibit good fuel delilvery to the injector.

If youre maxing things out, Id say use it.

If its just a regular old car, Id say it doesnt matter too much.

With whats in your sig, I would run some type of PD. Almost every EFI car has one. All the egnineers in the world cant be wrong, eh?
adamlewis is offline  
Old 01-16-2004, 12:25 AM
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i eliminated my pd on my n/a after going through 2 of them by putting the "mickey mouse" setup on it. i had no problems with it for 1k miles after. i agree with adam.
BigTurbo74 is offline  
Old 01-16-2004, 05:20 AM
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Location: Dover DE
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Kevin, I have a stock s5 fuel rail here if you need it, just let me know, I'll hook a brother up.
TheCamel is offline  
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