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Thread: Waterpump

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  1. #1
    Join Date
    Nov 2007
    Location
    Pittsburgh, PA
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    3,581
    Quote Originally Posted by 408.Luke View Post
    what makes the 07+ pump clear? i got a ls1 pump and used a power steering pully puller to pull the w/p pully out some to get good belt contact.
    Also want to know about those spacers i want to run a electric pump
    look at 07 pump vs a 06-99 pump.. youll see what im saying
    2002 Lightning - GT headed 5.5Litre w/ Twin 7665s
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    2010 Silverado crewcab Z71 - 5.3litre w/ procharger
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    it ain't that I'm too big to listen to the rumors, It's just that I'm too damn big to pay attention to 'em..That's the difference

  2. #2
    The LS2 pump looks like it has a real wide pulley....couldnt just use one of those?

  3. #3
    Join Date
    Nov 2003
    Location
    Denton Texas
    Posts
    20,540
    yeah, pull off the pulley and replace it with the truck pulley. Only thing is many have destroyed their pulleys trying to pull them off with a three jaw puller.
    See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709

  4. #4
    what's the easy way to get the pulley of without screwin it up? I know power steering pulleys are a pain in the butt too...........

  5. #5
    hmmmm, ok then........a couple beers and a three jaw puller........we'll try it..........

  6. #6
    You can use an 07 pump with an car intake. The clearance issue with the pump outlet neck on the older truck pumps is not an issue with the 07 pumps. You can relocate the idler below the alternator to a different location to get the belt to clear the throttle body too.
    Mike
    http://kds-performance.com
    94 Silverado Z71 SCLB 4.8L LR4 Daily Driver
    93 GMC Sierra 2WD LS V8 Swap dun, run, rusted, stripped & junked
    1979 Caprice Coupe - LS Swapped - 11.76@115.8

  7. #7
    I have the newer drive by wire 90mm TB, the one with the big hump next to the connector and the intake sets low enough so there is going to be contact.....that's why I need to use a water pump with the water neck that goes straight out to the front.....

  8. #8
    Quote Originally Posted by dustiebutt View Post
    I have the newer drive by wire 90mm TB, the one with the big hump next to the connector and the intake sets low enough so there is going to be contact.....that's why I need to use a water pump with the water neck that goes straight out to the front.....
    How about a 90mm truck TB?
    Mike
    http://kds-performance.com
    94 Silverado Z71 SCLB 4.8L LR4 Daily Driver
    93 GMC Sierra 2WD LS V8 Swap dun, run, rusted, stripped & junked
    1979 Caprice Coupe - LS Swapped - 11.76@115.8

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