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Old 02-05-2011, 10:16 AM
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Originally Posted by eloc431962
When exactly did it start doing this before the new pump or after ?
And what engine is in the jeep and what carb is on the engine ?

The OP said the PO installed it before he bought it.

Dion, someday's it's Bad and someday's it's good could be the difference between a windy day or, cold weather when it could handle the extra fuel.
Depending on what elec. pump was installed (some are rated at 51/2- 7 lbs.) you can get away with it. Some are rated higher and you can't without a regulator. A good regulator that will work as far as engine demand/performance/mileage, is a vacuum controlled fuel pressure regulator.
It cost's a little more but will work good across the board. When the engine vacuum is high like at idle or cruise it will miser pressure and when the vacuum is low like accelerating or wide open throttle it will allow more pressure according to engine demand. If you find that pressure is the problem, this is one option you can look at but first, you need to check it out and make sure that no damage has been done to the power valve/floats/inlet valves.
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