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Thread: Upgrade to E-fans for 2000 5.3L

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  1. #1
    Join Date
    Jan 2008
    Location
    Austin, TX
    Posts
    43

    Upgrade to E-fans for 2000 5.3L

    Hello,
    I want to upgrade to E-fans for my 2000 5.3L silverado.
    I already have a Nelson tune, so I plan to buy the Nelson harness and run the fans using the PCM, unless some other harness is recommended.

    What is a recommended E-fan to buy that is a simple drop-in or at least comes with all the proper mounting hardware?

    I want to avoid having to fabricate special brackets and making special wires....just looking for the best quality plug-n-play option out there.

    Thanks.
    2000 RCSB 1500 2WD - Stock 5.3L - 18 x 8 Centerline Rims

  2. #2
    Join Date
    Feb 2011
    Location
    Under a truck in Rio Grande City
    Posts
    5
    um well some guys from the valley used impala e-fans but im not sure though , you might also find some cheap e-fans from a chevy at the junkyard i think 05 and up start to have e-fans

    used 2 relays to wire some e-fans on a 1999 chevy with wires and everything came out to like 15 bucks the wires and relays maybe that can save you some cash IMO
    if you dont know how to use the relays i think theres a thread here
    Last edited by Alex-SYCL; 02-25-2011 at 01:48 AM. Reason: typo

  3. #3
    Join Date
    Jul 2008
    Location
    Mesa, AZ
    Posts
    5,979
    If you're looking for a direct drop in, there are aftermarket fans made to work, but are also very expensive. You can get a set of fans from a ls1 equipped f-body. Some have used fans from other vehicles and have worked well.

    Quote Originally Posted by Alex-SYCL View Post
    um well some guys from the valley used impala e-fans but im not sure though , you might also find some cheap e-fans from a chevy at the junkyard i think 05 and up start to have e-fans

    used 2 relays to wire some e-fans on a 1999 chevy with wires and everything came out to like 15 bucks the wires and relays maybe that can save you some cash IMO
    if you dont know how to use the relays i think theres a thread here
    DONT go and try to install 05+ efans on a 99-04. Yes in 05 GM upgraded to efans, however they also went to a larger radiator. That being said...the 05+ fans won't fit on an 00. Now if you swap both radiator and fans that will work.
    T-RAV
    99 GMC | 5.3 | Skinny White Guy Tuned

  4. #4
    Join Date
    Jan 2008
    Location
    Austin, TX
    Posts
    43
    Do I have to buy or make any special hardware or brackets to install LS1 fans?....or does everything needed come with the fans when purchased or pulled from the car?

    Thanks.
    2000 RCSB 1500 2WD - Stock 5.3L - 18 x 8 Centerline Rims

  5. #5
    Join Date
    Jul 2008
    Location
    Mesa, AZ
    Posts
    5,979
    Quote Originally Posted by 2Kchevy View Post
    Do I have to buy or make any special hardware or brackets to install LS1 fans?....or does everything needed come with the fans when purchased or pulled from the car?

    Thanks.
    As far as I know everything is there when removes from a car.
    T-RAV
    99 GMC | 5.3 | Skinny White Guy Tuned

  6. #6
    fans from an 05 silvy should work and nelson has a wiring kit
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