1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

which fuel pump?

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Old 11-04-02, 07:58 PM
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which fuel pump?

I'm wondering if you guys have any suggestions for a fuel pump for when I put the 89 engine in my 85 GS.

I was looking at a GSL-SE pump but thats 350 from mazdatrix. Completely rediculius.

Which aftermarket pumps would you reccomend?
Old 11-04-02, 08:03 PM
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why not take the pump from the 89?
Old 11-04-02, 08:19 PM
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aftermarket ... Bosch
Old 11-04-02, 08:21 PM
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just about everybody i asked said that the 89 one wouldnt work, including the person i bought my 89 boltons from.

even if it would work, i dont have the opertunity to get it now. i just dont know what fuel pumps will work with the 89 engine and fit my car at the same time.
Old 11-04-02, 08:21 PM
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lol, ya replied while I was typing. Any model in particular you would reccomend?
Old 11-04-02, 08:47 PM
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no ... not sure what model, but aren't you going to have to do fab work on you tank anyway?
Old 11-04-02, 08:51 PM
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you can graft a intank pump onto a first gen fuel pick up, for a n/a motor i would recommend a walbro 255 pump.
Old 11-04-02, 10:34 PM
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use a msd external pump..... $180.00 from summit or jegs... in tank pumps wont work on pre 86 cars or get a SE fump from a wrecking yard... they usally sell for $60.00!!
Old 11-04-02, 10:59 PM
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Originally posted by diabolical1
no ... not sure what model, but aren't you going to have to do fab work on you tank anyway?
I am??? This is the first I've heard of it....
Old 11-05-02, 05:45 PM
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well, yes, if you decided to go with an in-tank pump. even if you decided to go with an external pump, won't you be beefing up the lines in and out of the tank? just curious ...
Old 11-05-02, 08:09 PM
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it will be an external pump and I will upgrade the lines.... i just thought you were talking about fab work on the tank itself...lol
Old 11-05-02, 10:06 PM
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If you plan on running an external pump you're gonna have to either fabricate a sump for the fuel tank or install a surge tank.
Old 11-05-02, 11:21 PM
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no since i'm a big n00b here... why would I have to make a sump? I was just under the impression that I put better lines on the tank and lead them to where the current fuel pump is.

Now I can probably allready guess that I'm horribly wrong so could some one tell me why this sump is needed?
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