How To Increase Fuel Pump Performance
#26
Goodfalla Engine Complete
iTrader: (28)
Perhaps make a new wiring section that mimics what the stock wiring did, except now you have a much stronger source. Shouldn't be too hard to do. although, you would have to run some signal wires a considerable distance. however, I do believe the important wires are the ones that have now been routed the shortest possible way.
cewrx... I hope you dont hate me for my wild brained ideas... because I will probably be picking your brain later on for advice on PFC tuning.
cewrx... I hope you dont hate me for my wild brained ideas... because I will probably be picking your brain later on for advice on PFC tuning.
#27
Eye In The Sky
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Perhaps make a new wiring section that mimics what the stock wiring did, except now you have a much stronger source. Shouldn't be too hard to do. although, you would have to run some signal wires a considerable distance. however, I do believe the important wires are the ones that have now been routed the shortest possible way.
cewrx... I hope you dont hate me for my wild brained ideas... because I will probably be picking your brain later on for advice on PFC tuning.
cewrx... I hope you dont hate me for my wild brained ideas... because I will probably be picking your brain later on for advice on PFC tuning.
#29
Super Snuggles
Yes, and most people bridge the circuit for full-time 12V operation when they go BPU to ensure that they have adequate fuel. I drove my Supra that way for 3 years on a daily basis and never had a problem with the pump, nor have I ever heard of anyone else burning one up prematurely.
#31
ok, im not very good with electrics which could be part of the reason why im confused with the attaced word document.
step 1 - i understand
step 2 - is this literally just running another live wire spliced into the original at both ends?
step 3 - really confused with this one, can anyone make it simple for me or even better show some photos?
so do i need a new relay? and what amperage of wire do i need to do what jobs?
thanks
step 1 - i understand
step 2 - is this literally just running another live wire spliced into the original at both ends?
step 3 - really confused with this one, can anyone make it simple for me or even better show some photos?
so do i need a new relay? and what amperage of wire do i need to do what jobs?
thanks
#36
Senior Member
iTrader: (1)
http://www.clubrx.org/default.asp?id...ntent=71&mnu=5
#3 is the same as mod in clubrx. #3 gives you best return on spent time
I used inline fuse from walmart and wire was long enough for that mode. I didn't take it to the battery (+), I used (+) that comes into fuse box straight from a battery.
It doesn't look like this mod will set voltage at all RPM's, but I didn't test and like to know as well.
#3 is the same as mod in clubrx. #3 gives you best return on spent time
I used inline fuse from walmart and wire was long enough for that mode. I didn't take it to the battery (+), I used (+) that comes into fuse box straight from a battery.
It doesn't look like this mod will set voltage at all RPM's, but I didn't test and like to know as well.
#37
Full Member
#38
nice find, some great pics there thanks, so there seems to be a few different ways of doing this mod then, that link appears to just have a fused live going to the feed wire into the relay. Doing this plus a bigger earth, is this enough to get 13.8V to the pump withou having to run a new wire from the engine bay into the boot?
#41
Eye In The Sky
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When I rewired mine, the voltage at the pump went up by 2 volts from 11.8 to 13.8 with the alternator output at 14.1.
When the alternator gets fully hot like in summer, the voltage will drop from 14.1 to about 13.8.
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