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which Gaz pump for 89 S10 2.8?

Posted by vieuxbazou

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which Gaz pump for 89 S10 2.8? #1
vieuxbazou Yves Carbonneau Deux-Montagnes, Canada 1979 MG MGB	Posted: April 11, 2012 11:58AM Registered: 1 year ago Posts: 41

Does anyone can help me.
I was ging to buy a 70 pound gaz pump for my 2.8l EFI single throttle body but I started to dubt about it when I was told that my engine needs no more than a 15 pound pump. If this right, I could by a 93 Geo Metro gaz tank with the pump inside that I think would be easy to fit. I was told that a 70 pound pump would muddle up the injection.
Was I mistaken? (My MGB gaz tank is almost new)
Thanks

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Re: which Gaz pump for 89 S10 2.8? #2
mgb4tim Tim Nagy Pittsburgh, PA!!!, USA 1971 MG MGB 1996 Jaguar XJ6 (X300) "Big Green"	Posted: April 11, 2012 12:05PM Registered: 14 years ago Posts: 1,858

Even my little TR7 2.0 FI takes 40 pounds from it's stock pump.

~Tim

tim@morSpeedPerformance.com

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Re: which Gaz pump for 89 S10 2.8? #3
BMC Brian Mc Cullough Minneapolis, Minnesota, USA 1959 Austin A40 Farina 1959 Austin-Healey Frogeye (Bugeye) 1961 Austin-Healey Sprite MkII "Green Sprite" 1969 MG MGC GT "CGT" 1979 MG MGB → more	Posted: April 11, 2012 02:02PM Registered: 13 years ago Posts: 4,356

Yves,

the file pressure regulator (FPR) regulates this. Most pumps produce 90 psi or some amount way beyond your requirements. Your system should be able to return all the unneeded fuel pressure from my understanding.

-BMC.

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BMC British Automobile – Minneapolis, MN USA BMC British Automobile is a Restoration and Repair shop north of Minneapolis, Minnesota. Our time is spent solely on British vehicles and British Conversions. MG and Austin are our specialties.

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Re: which Gaz pump for 89 S10 2.8? #4
vieuxbazou Yves Carbonneau Deux-Montagnes, Canada 1979 MG MGB	Posted: April 11, 2012 02:23PM Registered: 1 year ago Posts: 41

Thank you guys.
If I understand well, any car with a fuel injection has a pump of more than 40 pounds or so. The Geo Metro 3 cylinder is equiped with a fuel injection, Then, if I install its tank with its fuel pump in it, this should be good enough for the EFI of my 1989 S10 V6. (This tank provides the return feeding.)
It is much smaller than the 'B's, but the B is a gaz gobbler, spacialy donw town. I don't think the V6 is.
Am I wrong?
Yves

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