? on proper fuel pressure
12-02-2002, 11:30 AM
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? on proper fuel pressure
Ok, I have a 55 shots on tap and would like to buy a B&M fuel pressure modifier. What would be the proper fuel pressure set up for a 65 shots. It is adustable from 25 psi to 65psi. Random and Red, your 2 cents pls.
12-03-2002, 04:22 AM
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when ever you want to use your nitrous it has to be a constant 44psi...get a warblo 255 fuel pump(cheap off ebay,maybe ill sell ya mine if the price is right) and get a fuel reg and get a plate fabricated for it so it fits... then just trun it up when you plan to juice it
12-03-2002, 01:24 PM
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thanks. I've always thought that the regulators work on vacuum pressure. why do I have to dial it in. I can't just get out of the car and adjust it when I want to use the gas.
12-06-2002, 02:26 AM
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arn you have a ZEX kit... that kit changes your fuel pressure accordinly to the nozzle you have
The stock pump cant take that much, so 65 is your absolute limit
With a ZEX kit you dont need to play with pressure,... the kit does it for you
The only thing you can do is upgrade fuel pump
You can get a cheap 20-50 dollar eclipse turbo pump or you can get the walbro pump
Either one will give you enough for a 75 shot, which is the limit of yor ZEX nozzles
The stock pump cant take that much, so 65 is your absolute limit
With a ZEX kit you dont need to play with pressure,... the kit does it for you
The only thing you can do is upgrade fuel pump
You can get a cheap 20-50 dollar eclipse turbo pump or you can get the walbro pump
Either one will give you enough for a 75 shot, which is the limit of yor ZEX nozzles
12-06-2002, 09:59 AM
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jaws, 65 shots is still ok for the fuel pump. nothing bigger. if I change the pump, what year of mitsu eclipse turbo pump should I ask for? too lazy to do the search. sorry. 
and thanks for all the info, Jaws.
also, is it hard to change the pump? any wire cutting if I use either pumps?
[ December 14, 2002, 01:55 AM: Message edited by: arn ]
and thanks for all the info, Jaws.
also, is it hard to change the pump? any wire cutting if I use either pumps?
[ December 14, 2002, 01:55 AM: Message edited by: arn ]
12-06-2002, 12:31 PM
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the fuel pump is very easy to change...its under your back seat...just remove a few screws pull the pump out disconnect 1 hose 1 set of wires put the new pump in a reinsert hose and wire and ur good to go