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Forum: Tech and How-To

12-22-2017, 01:38 AM

Replies: 12

Increase Fuel Pump Pressure

Views: 6,112

Posted By LeafPile

Say the pump puts out 50 psi and the regulator...

Say the pump puts out 50 psi and the regulator brings it down to 31 psi at idle (like normal). At wide open throttle, with no vacuum, the fuel pressure will be 50 psi, when it should be 40 psi....

Forum: Tech and How-To

12-19-2017, 07:20 PM

Replies: 12

Increase Fuel Pump Pressure

Views: 6,112

Posted By LeafPile

I need 40 psi of fuel pressure. The factory...

I need 40 psi of fuel pressure. The factory regulator brings it down to 31 psi.

It's vacuum regulated, so as the throttle opens, the fuel pressure increases. I don't want it to increase it beyond...

Forum: Tech and How-To

12-18-2017, 07:54 PM

Replies: 12

Increase Fuel Pump Pressure

Views: 6,112

Posted By LeafPile

https://www.summitracing.com/parts/tnk-tan-gml ...

https://www.summitracing.com/parts/tnk-tan-gml

Forget that potentiometer idea, the resistance nearly matches what the factory specs are (0 to 90, as opposed to 1 to 88 ohms).

Forum: Tech and How-To

12-18-2017, 05:28 PM

Replies: 12

Increase Fuel Pump Pressure

Views: 6,112

Posted By LeafPile

Looks like I'm putting in a Walbro pump. Probably...

Looks like I'm putting in a Walbro pump. Probably in the engine bay, unless it needs to be closer to the tank. I already have a regulator to use (cheapie, just to try it first then replace and chuck...

Forum: Tech and How-To

12-16-2017, 10:33 AM

Replies: 12

Increase Fuel Pump Pressure

Views: 6,112

Posted By LeafPile

Increase Fuel Pump Pressure

My 1993 YJ has a 20 gallon tank factory (with the "mod (http://www.jeepforum.com/forum/f12/add-5-gallons-your-yj-s-gas-tank-less-than-1-2-hour-516115/)" of course). It doesn't fit well in between the...

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