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#1 |
Registered Member
Join Date: Mar 2000
Location: Springfield, Ma, usa
Posts: 706
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![]() 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?
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NewEngland Auto www.baystategearheads.com -91 Mustang Coupe, ex 4cyl (sold) -99 F150, 3" lift, 35" Procomps, Magnaflow exhaust |
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#2 |
Registered Member
Join Date: Oct 1998
Location: Suburban Chicago, Hanover Park
Posts: 695
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![]() 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. ![]() |
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#3 |
Registered Member
Join Date: Jan 2001
Location: ny
Posts: 197
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![]() hmmm..... i think im getting too much fuel, should i add a bigger fuel pump?
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#4 |
Registered Member
Join Date: Oct 1998
Location: Suburban Chicago, Hanover Park
Posts: 695
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![]() 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. ![]() |
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