if u use a fmu do u need a fpr ?/ 450 cc blue tops
03-29-2004, 10:14 AM
#1
1.0 BAR
Thread Starter
Join Date: Mar 2004
Posts: 620
if u use a fmu do u need a fpr ?/ 450 cc blue tops
if u use a fmu do u need a fpr ? what is better when turbo charging ? can u use both or does that defeat the purpose of the fmu ? im also thinking of selling some mitsu 450 cc blue tops with low miles any offers ? can the blue tops be used by them selves or do i need a management system ? thanks
03-29-2004, 03:52 PM
#2
1.5 BAR
Join Date: Dec 2002
Posts: 1,495
Re:if u use a fmu do u need a fpr ?/ 450 cc blue tops
Your car comes factory with a regulator 
I think you're a little confused. If you get an FMU you don't need to necessarily upgrade your regulator, unless you plan on running higher boost then say like 11sh psi. I don't know how good the FMU is for, but you're safe with factory injector sizes to run about 5-6 psi I believe. After that you definitely need to go up a little bit bigger.
The blue tops cannot be used by themselves, you will need an AFC to control them - but I would suggest going this route. Its worked wonderfully for me up to 11 psi. Hell even the other day I was running without the wastegate opening (forgot to reattach the vacuum hose) and the ------- motor was handling 18 psi
I think you're a little confused. If you get an FMU you don't need to necessarily upgrade your regulator, unless you plan on running higher boost then say like 11sh psi. I don't know how good the FMU is for, but you're safe with factory injector sizes to run about 5-6 psi I believe. After that you definitely need to go up a little bit bigger. The blue tops cannot be used by themselves, you will need an AFC to control them - but I would suggest going this route. Its worked wonderfully for me up to 11 psi. Hell even the other day I was running without the wastegate opening (forgot to reattach the vacuum hose) and the ------- motor was handling 18 psi
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