Fuel Pump Comparism.

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10-20-04, 04:12 AM

Blade8r

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Fuel Pump Comparism.

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Stock fuel injectors are 4 x 550 cc/min, and that comes out to 2.2 liters/min.  Converting to lph, you got ~121 lph - this is good for about 250bhp at around 80% fuel injector pulsewidth.

The stock fuel pump is rated at about 180lph.  Extrapolate that from the above numbers, and the stock fuel pump is good for 300bhp.  The problem with the fuel pump is that it needs to get full voltage to attain such flow levels; most of the electrical systems cannot supply full voltage, thus we use the fuel pump rewire to get maximum capacity.

-Ted

Alright after reading REted lil information i looked up In the a Search he mentions that the Stock t2 Fuel pump is rated at 180LPH. besides the 460cc injectors, is there any difference between the n/a fuel pump to the t2 fuel pump?

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10-20-04, 08:02 AM

Turbonut

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If your asking is there a difference in the TII and N/A fuel pumps, the answer is yes. The TII pump flows more. Same as the FD pump. Direct fit in S5 and more flow than a TII pump.
Hope this is what your looking for.