FPR Suggestions? Boost Dependant? Rising Rate?
 

What do you guys suggest for a Fuel Pressure Regulator....

I need one shortly and was wondering which one you guys find works best, i was told to look into a rising rate FPR?...

Thanx!...

"Rising rate" normally implies a higher ratio than 1:1.
Even at 2:1, at 15psi, the RRFPR is trying to keep the rail pressure at 30psi + 40psi = 70psi!
Most of the RRFPR's are higher than 2:1.

Get a 1:1 FPR and call it a day.
That's what the stock unit runs at.


-Ted

It's a popular low budget mod in Australia.
If your planning to stay within the 12PSI practical limit of the TMIC, an adjustable RRFPR with a rewired 255LPH pump will allow some tuning.

i'm planning on going full stand alone on a race-ported engine with an HKS T04R turbo....

NOW, which do you guys suggest....

:P

Stick with a "boost dependent" FPR that's 1:1 ratio...


-Ted

Like Ted said.
Go with a 1:1 FPR & do the tuning with the stand alone.
-Bill

Aeromotive A-1000 1:1 FPR gives you what you need

what exactly is a 1:1 FPR?...

its a ratio.

Actually its pretty self-explanitory. Its a 1:1 rising fuel pressure regulator. Meaning your fuel pressure will raise from its base pressure 1X for every 1X of manifold pressure. (because it gets its signal from the vac/boost of the engine)

so basically get a 1:1 FPR and call it a day like everyone's been saying?...

but, there's a normal FPR and a rising one?, or i should ask....

is a "rising FPR" different?...

what about the PD elimination?
do "certain" FPR come with built in PD's?
im running the parallel setup VIA REted's page and i was wondering about htis??
sorry to thread jack.
if there are certain ones, which one to get??
aeromotive?
http://store.summitracing.com/partde...part=AEI-13109

The standard is that "boost dependent" = 1:1 and "rising rate" is anything higher - like 2.5:1, 5:1, 7:1, 10:1, etc.

Most people will use those terms like that.

You don't want a rising rate FPR, cause it puts too much strain in the fuel pump.
Most fuel pumps don't like going over 70psi or so.
Your T04R is a waste to run under 15psi. :D


-Ted

soooooooo, what your saying is to get a nice "boost dependent" FPR, like the Aeromotive, correct?...

i was told to get one that adapts an 5/16 fuel hose/line, with the Aeromotive one 88rxn/a had posted with a link, would that one work, or are -an fittings a whole other ball game?...

Yep, I prefer the SX unit myself.
The SX FPR uses -6 AN fittings, so it adapts well if you're using all -6 AN hoses and fittings.

The Aeromotive unit is very similar.


-Ted

but if it has -an fittings, can i use hose with barb fittings, or?...

any input about the PD "problem"?

***shrug***


<<<<wonders the same!?!?!?

There are -6 AN to barb fitting adapters.
I've seen write-up's for them in here somewhere...


_Ted

What's a barb fitting adapters?