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  1. #1
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    Harry the Yank
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    Default What are my fuel pump choices?

    Hi, First post. I have a new LT1 gen 5/8L90e combo sitting in my shop right next to my '55 Chevy. First issue, fuel pump. My tank is only about 8-9 inches deep and the stock GM19303293 pump is about 16". I'm not opposed to modifying it but I have only seen photos so I don't know if it's possible to cut it down to my requirements. I'd like to keep the stock pulse modulated return-less system. What other pumps are there that will work? New stuff is on the market all the time. I have solved the oil pan problem with a Moroso oil pan, the p/s pump problem with a Drive Junky serpentine belt system and the motor mounts are from Dirty Dingo. More problems will arise I'm sure but it will be worth it to have GM's latest in the spot occupied by Chevrolet's first V8. Thanks.
    '55 Chevy w/LT1 gen 5 and 8L90e, Ford 9". Just starting to put the puzzle back together.

  2. #2
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    Shaun
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    Default

    Quote Originally Posted by white '55 View Post
    Hi, First post. I have a new LT1 gen 5/8L90e combo sitting in my shop right next to my '55 Chevy. First issue, fuel pump. My tank is only about 8-9 inches deep and the stock GM19303293 pump is about 16". I'm not opposed to modifying it but I have only seen photos so I don't know if it's possible to cut it down to my requirements. I'd like to keep the stock pulse modulated return-less system. What other pumps are there that will work? New stuff is on the market all the time. I have solved the oil pan problem with a Moroso oil pan, the p/s pump problem with a Drive Junky serpentine belt system and the motor mounts are from Dirty Dingo. More problems will arise I'm sure but it will be worth it to have GM's latest in the spot occupied by Chevrolet's first V8. Thanks.
    I would contact aeromotive or something to see what they offer for that type of set up. I know cobras had pwm pumps, but I'm not sure if they operate at the pressure needed for a gen 5

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    1994 Z28 T56 - Le2 H/C, SBE, Hooker lt's, some rod ended suspension stuff, and a whole lotta tetanus
    The wrench for LTConvert's 94 Z28- Ellwein 383/LE2 H/C P600B/ CPT Pro Race/Pro Torque 3200

  3. #3
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    Harry the Yank
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    Default

    Yes, I am familiar with the Cobra double pumps but they only put out about 38# as I remember. And it would be nice to use the Chevy fuel pump driver too. Thanks, I'll keep researching.
    '55 Chevy w/LT1 gen 5 and 8L90e, Ford 9". Just starting to put the puzzle back together.

  4. #4
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    Cameron
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    Default

    I'm going through the nightmare with the PWM system in a friends cobra after doing a Fore return style dual pump set up.

    Here's an article from hot rod on retrofitting a newer lt1 fuel system keeping the PWM in place.
    http://www.hotrod.com/articles/under...stem-swapping/
    Last edited by Sahara54; 09-24-2017 at 07:41 AM.
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  6. #5
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    Default

    Thank you, That info was quite good and I'll look up that pump tonight.
    '55 Chevy w/LT1 gen 5 and 8L90e, Ford 9". Just starting to put the puzzle back together.

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