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I am running a HQ race car with the std 202 race motor,it is been altered to run as a targa car
i have fitted a fuel cell and am now having fuel starvation problems
was thinking of running external electric fuel pump.
what pressure and litre per minute for the pump should i be looking for?
thanks again
Crash
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6-7 psi i think...any more too big.run it by the tank be carefull,some PUSH fuel thru and other PULL fuel up,get the right one ,,push near the tank ,pull in the engine bay,best thing youll do for your starter and battery.
Jim in Adelaide...Hindsight is bad vision! |
Jim in Adelaide.. |
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cant help you with the factory fuel pump capacity but a carter black electric pump and reg will be ample to feed a 202 (and most 308s)
A holley red should work also, and wont need regulating depending on the carb your using.
It could well be youve exceeded the flow of the mech pump, although if there is a xu1 variant it should work ok for "most" straight 6s
Rob madden(oznos) does a half decent mech pump for the 308 so if you need/want to stay mechanical im sure they could adapt their setup to a 202 pump.
You could test the flow rate of your current pump, but it involves petrol related dodginess and id hate for you to blow yourself up so ill leave it to someone else to tell you how. lol
11.38@117
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quote:
Originally posted by jim
6-7 psi i think...any more too big.run it by the tank be carefull,some PUSH fuel thru and other PULL fuel up,get the right one ,,push near the tank ,pull in the engine bay,best thing youll do for your starter and battery.
Hey Jim, there aint many aftermarket electric pumps designed to pull fuel from the tank, they should ALWAYS be mounted below fuel level with at least 1 size larger feed hose to it (than the supply to the carb) Sure they work, but ive replaced a few pumps in mates cars that were mounted too high and eventually play up, while my dirty old holley blue has been under the car for 8+years with no issue. 11.38@117 Edited by user Tuesday, 20 April 2010 1:45:43 AM(UTC)
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i agree but my holley blue pulls it from the tank and is under the bonnet(wrong i know)but still works ,i ran out of time before when writting so had to make it fast,sorry.they will all pull but should be set up as described above (some better than others),i would go holley as they have metal impellers inside them and dont seem to have too much trouble,always run a regulator.it will be easy to adjust fuel pressure.i have heard of pull type electrics,i didnt think he mentioned aftermarket,but anyway holleys are push.thats what i use and would use.cheers.
Jim in Adelaide...Hindsight is bad vision! |
Jim in Adelaide.. |
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Hey guys,
thanks for the info
i am running the 202 until my new motor is fully built, a 308 with big cam, manifold etc
so was hoping i could run a pump that would suit both motors.
greenhj
when you say mount pump below fuel line i take you mean below bottom of fuel tank. Problem is i have mounted the fuel cell as a drop tank.
not much room below it.
is it wise to mount a fuel pump underneath the car?
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yes as he says,but he means lower than the fuel line coming out of the tank,get a holley blue thatll do both engines ,thats why i said get a regulater.mount it under the car but in a safe place.(not lower than your chassis) Jim in Adelaide...Hindsight is bad vision! Edited by user Tuesday, 20 April 2010 2:54:41 AM(UTC)
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Jim in Adelaide.. |
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agree with Jim, a holley blue will be fine, you can buy an uprated pressure relief spring to feed a bit more fuel if required.
Im using one in my car and it goes ok, see below!
11.38@117
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