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fuel pump question

This is a discussion on fuel pump question within the Internal Engine forums, part of the LSx Technical Help Section category; im going to replace my fuel pump while i do the catback. i got high miles and i dont want ...

  1. #1
    boycott wal-mart
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    silver
    98 T/A WS6

    fuel pump question

    im going to replace my fuel pump while i do the catback. i got high miles and i dont want to get stuck on the side of the road. my question is this. my goals are 500-550 hp. would a stock fuel pump be sufficient? if not, what is a good aftermarket brand. thanks.

  2. #2
    boycott wal-mart
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    silver
    98 T/A WS6

    anyone?

  3. #3
    Senior Member mrr23's Avatar
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    dark bowling green
    2000 corvette

    i use the walbro with the racetronix hot wire kit.

    this "holley" one is nothing more than a walbro. it's written right on the box, or it use to say it on the box.
    http://thunderracing.com/catalog/?ac...vid=3&pcid=165

    here's the entire racetronix kit
    http://thunderracing.com/catalog/?ac...vid=3&pcid=166

  4. #4
    boycott wal-mart
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    silver
    98 T/A WS6

    Quote Originally Posted by mrr23 View Post
    i use the walbro with the racetronix hot wire kit.

    this "holley" one is nothing more than a walbro. it's written right on the box, or it use to say it on the box.
    http://thunderracing.com/catalog/?ac...vid=3&pcid=165

    here's the entire racetronix kit
    http://thunderracing.com/catalog/?ac...vid=3&pcid=166
    would i need the hotwire kit or could i just get the holley and call it a day? my goal is 550 hp naturally aspirated.

  5. #5
    Senior Member mrr23's Avatar
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    dark bowling green
    2000 corvette

    i would get the hot wire kit. prevents the loss of voltage as fuel demands are increased. plus the walbro pulls more current. the factory wire to the pump is around 14 gauge. the hot wire kit brings it to 8 guage

  6. #6
    Veteran 0rion's Avatar
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    98 Formula
    06 duramax

    I also recommend getting the whole kit. I bought mine through Harris Speedworks and was surprised at how detailed the install instructions were that came with it. Pretty cool little kit. Racetronix even includes a paperclip to remove your old wires from the harness.

  7. #7
    boycott wal-mart
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    silver
    98 T/A WS6

    Quote Originally Posted by mrr23 View Post
    i would get the hot wire kit. prevents the loss of voltage as fuel demands are increased. plus the walbro pulls more current. the factory wire to the pump is around 14 gauge. the hot wire kit brings it to 8 guage
    i think im gonna go with the whole kit. $249 is cheaper than an oe part anyway.

    one other question. my car is back home with my wife. i think my tank was metal. ive got a 98. do you know for sure? i really dont want to send my wife under the car.

  8. #8
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    1998Z28

    Yep 98s have metal tanks. But most of the people just cut a trap/access door thru the floorboard. They say its alot easier than pulling the old tank out. I hear the filler necks on 98s are a bitch to get off also. Thats why I'm not messing with mine until she dies!

  9. #9
    Veteran 0rion's Avatar
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    98 Formula
    06 duramax

    I pulled my 98's tank and although it's not a whole lot of fun it can be done and I preferred it over cutting the car up. Lots of people just cut the access door but I had my rear out anyhow switching to a 12 bolt. The key to the tank is getting it at the right angle so the filler neck clears. I did it the first time by myself with not much trouble then the next time I had a buddy help me and we really fought that thing. Before I put it back in the 2nd time I clearanced the passage through the frame for the filler neck so that if I ever have to take it out again it'll be a piece of cake.

  10. #10
    boycott wal-mart
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    silver
    98 T/A WS6

    yeah, id rather fight with it for a while rather than cutting it up.

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