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fuel pressure   Message List  
Reply | Forward Message #23629 of 24048 |
Re: [oldcorollas] fuel pressure

without knowing the exact inner workings of the corolla pump, if it is a
mechanical pump it is likely to be a 'positive displacement' type which
would mean that the pressure delivery is dependant upon rpm, not the spring
rate.

just a guess really...

Thomas




Thu May 8, 2008 10:13 pm

thombowler
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Message #23629 of 24048 |
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anyone ever rebuilt a fuel pump with a different spring so as to reduce the fuel pressure to a certain amount? any thoughts? robert....
rob83ke70
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May 8, 2008
9:57 am

... sounds like you want a pressure regulator, not fiddling with the pump. Superjamie had SUs on his Corolla for a while, I thought, maybe you could ask him...
john slee
indigoid
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May 8, 2008
10:05 am

Hi, Super Jaime is no longer around in corolla's. He ran 2 SU's off a mini and on his 4K lacked top end :( Run stock pump with a pressure reg ones off ebay...
Cameron
camerondownu...
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May 8, 2008
11:13 am

without knowing the exact inner workings of the corolla pump, if it is a mechanical pump it is likely to be a 'positive displacement' type which would mean...
Thomas Seeber
thombowler
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May 8, 2008
10:14 pm

i had pressure issues on my 4k with twin 40mm webers well, it was an issue for about a week until i bought a holley regulator and guage which solved the...
Alex Bates
alexb618
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May 8, 2008
11:06 pm

... a simple cheap electric pump with a fixed output pressure is the easiest option. not sure if you could change spring in stocker to change fuel pressure. i...
oldcorollas
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May 9, 2008
1:42 pm

i bought a mechanical fuel regulator. i've been advised by a local mechanic (one who seems pretty smart) that i should be careful that it doesn't let go and...
rob83ke70
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May 15, 2008
12:21 pm
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