afpr psi on a 255pump and stock injectors???

[Sbeing1]

I strongly suggest that you get the car up and running correctly before you start to think about next upgrade. An afpr should take care of your rich conditions during idle and part throttle but should not contribute to bogging during hard acceleration, you probably have other issues like boost leaks and such which will reveal itself once the afpr is set to 43psi. There is no need for a safc unless you have larger injector so do them both at the same time.

Well i dont have any boost leaks, i fixed them all. So im not wuitye sure what the accelaration problem is. I was told it was a bad tranny fillter (mechanic told me) im going to change it soon. but im hoping this afpr will help out somewhat. thanks for your help

 

[KJS1820]

I run rich only getting into boost 5000 rpm and up! Like 10:1 (on the wideband and dsmlink) I am running a stock 2g regulator with the b&m bolt on would I be over running the regulator? I do have a fp guage in my car and gets to about 52-55 for around 19 psi of boost! Should I just break down and shell out the 200 for a real fpr

 

[Generation X]

If it were me I would. The B&M FPR will only allow you to raise pressure, instead of lowering it.

 

[KJS1820]

I think the supra pump is too much for it! I just did a run with the hose off the regulator and it brought my wb to 12.5 or so! I am just gonna get a new regulator I am hope it gets rid of my high rpm richness

 

[oldman]

If it were me I would. The B&M FPR will only allow you to raise pressure, instead of lowering it.

With that said, I think he has got other issues as fpr overrun mostly does not affect WOT....mostly.

 

[KJS1820]

Yea it's weird I don't have richness problems till higher rpm I took fuel out in the link but really didn't help much I will just have to keep playing with it!

 

[oldman]

Yea it's weird I don't have richness problems till higher rpm I took fuel out in the link but really didn't help much I will just have to keep playing with it!

I would first do a boost leak test then install a real fpr so you can re-tune. You may have over compensated in attempting to tune out the fpr overrun which is impossible to do because overrun isn't linear.

 

[Generation X]

With that said, I think he has got other issues as fpr overrun mostly does not affect WOT....mostly.

Yeah... I think it's usually at idle, and plus what you said in your other post, not being linear.

 

[uvbneclipsed]

I think I have figured my problem out, I believe my ecu is shot thats why its running on such a shitty map. My reason for thinking the ecu is shot is we pulled some major sensors and no codes were thrown. i am throwin a new ecu in this week hopefully that will cure most of the problems. any thoughts hit me back.



derek

 

[snox135]

I run rich only getting into boost 5000 rpm and up! Like 10:1 (on the wideband and dsmlink) I am running a stock 2g regulator with the b&m bolt on would I be over running the regulator? I do have a fp guage in my car and gets to about 52-55 for around 19 psi of boost! Should I just break down and shell out the 200 for a real fpr

That seems low for fuel pressure to me at 19 psi of boost. The regulator raises at a 1:1 ratio and with 43 psi at 0 pressure shouldn't his fuel pressure at 19 psi of boost be 62 psi.