Do i need a fuel pump? (HELP)
Do i need a fuel pump? (HELP)
hey guys, the current mods i have are just a HKS carbon ti exhaust and HKS downpipe, and in a few weeks i'll be going up north to vishnu and getting an Xflash or custom tune..i am just wondering if i need a fuel pump? What does a fuel pump do? Why do i need one? Is it smog legal?
thanks,
chris
thanks,
chris
Last edited by The Emperor; Jul 1, 2004 at 11:14 PM.
Evolving Member
Joined: Aug 2003
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Second that emotion! But a waste of time if your staying where you are. Not necc if you aren't using bigger injectors usually coupled with a bigger turbo, not always the case but usual.
Originally Posted by sanantone
Need? With your current mods, No, but would definitely recommend it. Especially if you plan on adding on more mods, then you'll probably need it. It's always good insurance for $100.
No effect on smog. Basically allows more fuel to be pumped to engine. Walboro 255 is most common we're all using. Retails for roughly $100.
No effect on smog. Basically allows more fuel to be pumped to engine. Walboro 255 is most common we're all using. Retails for roughly $100.
it's a good idea to get that fuel pump no matter what you do. The stock one has a record of failing under constant boost where there will be sudden loss of pressure....which leads to no fuel being delivered and an extreme lean condition that occurs when it fails...which leads to a big good ol' detonation. It's a cheap and easy mod to do, I think everyone should just do it.
Evolving Member
Joined: Aug 2003
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Not starting an arguement at all. But I must say that if you have that train of thought about your fuel pump, then you should, upon delivery of the 03 evo 8 replace the stock clutch and replace the transfer case along with the pump. I've had to do both on my car with under 11k, with minor mods. I don't speak 4 everyone either, just me. I've run 21-23 psi in my evo with no fuel deliv probs. Just like some people have tried and lost there pump and killed they're engine. Everyones case is diff, but if you're gonna talk preventative maintenance, you should bring it all to the table.
Originally Posted by tama_mog
it's a good idea to get that fuel pump no matter what you do. The stock one has a record of failing under constant boost where there will be sudden loss of pressure....which leads to no fuel being delivered and an extreme lean condition that occurs when it fails...which leads to a big good ol' detonation. It's a cheap and easy mod to do, I think everyone should just do it.
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in fact, my tranny and TC will be rebuilt @ TRE and my clutch will be switched to a cusco twin disc.....just waiting for it all to be done. No offense taken, I agree preventive measures should be taken when making power.
Evolving Member
Joined: Dec 2003
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From: Southern California
Whats up man. Well, when i went to Vishnu (for stage 1), Shiv showed me the a/f ratio graph. The harder he ran the car, the leaner it would get. He said he would have pulled out another 4 hp if he wasnt worried about it leaning out. I think its cheap insurance and if it helps support your future mods, even better. As far as the boost goes, Vishnu set my boost to peak at 22 and tapers to 19. Feels great. In the end, i think most would agree, better to run rich than lean.
Evolving Member
Joined: Aug 2003
Posts: 312
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Good job, sounds like you're on the right track. I'll enjoy hearing more about your car as it evolves, keep us posted!
Originally Posted by tama_mog
in fact, my tranny and TC will be rebuilt @ TRE and my clutch will be switched to a cusco twin disc.....just waiting for it all to be done. No offense taken, I agree preventive measures should be taken when making power.
