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42# injectors, fuel pump?

This is a discussion on 42# injectors, fuel pump? within the Nitrous forums, part of the LSx Technical Help Section category; im buying 42# injectors for the 98 ss with my new setup with nitrous. will i need to get a ...

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    42# injectors, fuel pump?

    im buying 42# injectors for the 98 ss with my new setup with nitrous. will i need to get a new fuel pump too?

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    No need for a new fuel pump, but it won't flow max potential for injectors if you're making the power.

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    ill be making about 400rwhp and around 480 with the nitrous
    so i dont need pump then?

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    Nitrous Tuner LS2Tuner's Avatar
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    Well I don't see any point in NOT installing a Walbro 255 pump when they are under $100 right now. . . . . . . . . . Cheap insurance!!

    I do in EVERY car I put a kit on.
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    how difficult is it to install that fuel pump? and i have a 98 which has a metal tank right? does that make any difference in installing?

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    Member NoscamaroSS's Avatar
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    Pretty easy, as long as you dont mind cutting a hole in your car back in the hatch area. But if you do the "trap door method" make sure you use the instructions for a 98, because the 99-up are in a different location. One more thing, if you do decide to go this route, DO NOT cut very deep just cut deep enough to go through the metal, the fuel lines run right under where you will be cutting.
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    Quote Originally Posted by NoscamaroSS View Post
    Pretty easy, as long as you dont mind cutting a hole in your car back in the hatch area. But if you do the "trap door method" make sure you use the instructions for a 98, because the 99-up are in a different location. One more thing, if you do decide to go this route, DO NOT cut very deep just cut deep enough to go through the metal, the fuel lines run right under where you will be cutting.
    Don't cut a hole in your car. Thats the lazy ass way to do something and its not all that bad dropping the tank. I do believe the 98s are a little harder though.

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    Member NoscamaroSS's Avatar
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    ^^^Whys that? After you do it the first time, its only a 30 minute job to replace the fuel pump if it ever goes out.

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    Quote Originally Posted by NoscamaroSS View Post
    ^^^Whys that? After you do it the first time, its only a 30 minute job to replace the fuel pump if it ever goes out.
    Because, thats the lazy ass way to do it. I said that already. Not to mention I simply wouldn't cut a hole in my car. If you where that worried about having to do it again, then just pull the pump, put a AN fitting in the bottom and use a external pump. Fuck cutting a hole in my car just to save a little time. Besides, if you buy a GOOD pump, it shouldn't go out...

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    Senior Member Danger731's Avatar
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    whtvr savs tme

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    I cut a whole, it wasnt that bad. No one can ever tell.

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    Member NoscamaroSS's Avatar
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    I guess 75% of 4th gen owners who have had to change a fuel pump are "lazy asses." Fuel pumps go out, if they didnt there wouldnt be no market for them. 30 min pump changes are hell of alot better than an all day project that involves you bench pressing a gas tank (because they always seem to go out when you have a full tank of gas), and no bigger of a hole that you cut when you silicone down your replacement cover nobody will know the wiser.

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    Quote Originally Posted by jmatt07 View Post
    im buying 42# injectors for the 98 ss with my new setup with nitrous. will i need to get a new fuel pump too?
    Absolutely do a pump. I would also suggest running the hot wire kit like the one offered by racetronix as well.

    Nick

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