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mod tii fuel pump more than 12v?

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Old 06-19-02, 01:14 AM
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mod tii fuel pump more than 12v?

I remember reading somewheres that someone with a celica modded there fuel pump to have a constant voltage of 13.5. Just wondering if the stock pump would handle 13.5 or anything above 12. TIA
Old 06-19-02, 01:39 AM
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the stock pump or any pump should see 13.5-14. the alternator puts out 14-14.4v...
Old 06-19-02, 01:41 AM
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I read somewhere that if you run double grounds from you battery/engine/chasis you can beef up your electric system. Is this true? Oh and where would you put the double grounds? Sorry if in the wrong place but this made me think of it
Old 06-19-02, 01:46 AM
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battery NEG to body. intake manifold to firewall. Alternator POS to battery POS. use 8-4 gauge
Old 06-19-02, 01:48 AM
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Originally posted by Scott 89t2
battery NEG to body. intake manifold to firewall. Alternator POS to battery POS. use 8-4 gauge
Have you done this and does it really help enough to notice? Thanks alot. Only thing is I don't want a spider web of wires everywhere.
Old 06-19-02, 02:03 AM
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Originally posted by Ryde _Or_Die


Have you done this and does it really help enough to notice? Thanks alot. Only thing is I don't want a spider web of wires everywhere.

Ive dont it, and YES it does help...though the car could use a new alternator too
Old 06-19-02, 08:30 AM
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Originally posted by adamlewis



Ive dont it, and YES it does help...though the car could use a new alternator too
Ok, thanks. Looks like I will be doing this.
Old 06-19-02, 02:04 PM
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what kind of wire would be good for this? Do you jus tape it on or solder it?
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