2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

Limitations on fd fuel pump

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Old Feb 9, 2010 | 01:35 PM
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Limitations on fd fuel pump

I just wanted to know what the stock fd pump is good for. I've done a little searching couldn't find anything really.. So yeah
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Old Feb 9, 2010 | 02:59 PM
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about 300 to the wheels
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Old Feb 9, 2010 | 03:24 PM
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300 whp is roughly the estimates I found through searching the 3rd gen section.
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Old Feb 9, 2010 | 07:31 PM
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Damn... That's low... So that mean's walbro's are only good for 290ishwhp. Since Fd pumps are rated just a **** hair higher then the 255lph...
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Old Feb 9, 2010 | 07:48 PM
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From my understanding the FD pump only gives about 15% leverage over the stock TII pump?
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Old Feb 9, 2010 | 07:51 PM
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Originally Posted by 2slow4stock
Damn... That's low... So that mean's walbro's are only good for 290ishwhp. Since Fd pumps are rated just a **** hair higher then the 255lph...

Um I believe Jrat proved differently...
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Old Feb 9, 2010 | 08:02 PM
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Originally Posted by 2slow4stock
Damn... That's low... So that mean's walbro's are only good for 290ishwhp. Since Fd pumps are rated just a **** hair higher then the 255lph...
FD fuel pumps are not over 255LPH, walbros are good for a little over 400WHP on pump gas.
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Old Feb 10, 2010 | 04:18 AM
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-sighz-. switching to walbro.
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Old Feb 10, 2010 | 11:54 AM
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Upgrade your alternator and get a Supra pump if you feel you need more flow (they can pull 16A). I'm not a fan of the whine-bro if you can't tell. There are a lot of Chinese ones floating around, and the low pressure flow rate is just excessive.
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