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-   -   Fuel pressure regulator+fuel pump? (http://forums.mustangworks.com/showthread.php?t=20729)

HiFlow5 0 03-14-2002 07:51 PM

Fuel pressure regulator+fuel pump?
 
I'm not sure but I think my car is running too rich. At an idle it smells like gas pretty bad. I'm thinking of getting a bigger fuel pump, maybe 155LPH to replace the stocker. I'm also thinking of getting and adjustable fuel pressure regulator. would I benefit from these additions, and what would be a good place to set the fuel pressure at for my mods?

chris91LX 03-14-2002 09:31 PM

I'd say you should upgrade the fuel pump to a 155 at least or a 190 if you are going to do more mods later, like alum. heads and such. I'd highly recomend the Kirban adjustable fpr, it's a sharp looking unit, it's rebuildable and it's also only $70 at jdsperformance. I set mine at 34psi with the vaccuum line removed and my finger over the vaccuum tube and i was a little lean, I have it at 39psi now. But I'm running Edelbrock heads a TFS stage 1 cam and ported Cobra intake so I'm probably gonna need more fuel than you. Factory setting is 35psi i think but the only real way to know where it should be is to get your air/fuel ratio monitored like it is on a dyno.
I had the same problem on my baseline dyno before the head, cam and intake swap, the exhaust was so rich it made my eyes water. Don't have that problem now.:D I've heard an adjustable fpr can be good for up to 10 hp. One of the best simple bolt ons I've done

juiceman 03-14-2002 09:40 PM

hmmm..... i think im getting too much fuel, should i add a bigger fuel pump?

chris91LX 03-15-2002 12:21 AM

That's more of a regulator problem than the fuel pump, IMO. The stock fuel pump is adequate for a stock setup, but i'd upgrade with ported heads a cam and intake. And an adj. fpr I've heard recomended even on bone stock motors. Like I said one of the best bolt ons I've done. But that's just my opinion.

That did sound like weird advice though didn't it.:p


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