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408 LQ4 with LS3 Top End... Water Pump HELP

Old 06-28-2011, 04:56 PM
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Default 408 LQ4 with LS3 Top End... Water Pump HELP

Hey guys, so I just finished up my build. I don't know what to do about a water pump. Since the stock truck pump has a water neck that interferes with the throttle body, Whats the best way to go about this??







Old 06-28-2011, 08:41 PM
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LS1 or LS2 style pump
Old 06-29-2011, 12:25 AM
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Spacing is different on those pumps...
Old 06-29-2011, 12:27 AM
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What is this going in? what pulley do you have? The fbody water pump should work.
Old 06-29-2011, 12:32 AM
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It is going into a 2003 Silverado. I have all the front acc brackets off of this LQ4. I have a stock LQ4 balancer. The F body pump pullys are spaced about an inch or so inward toward the motor. So I can't run a stock f body pump. Is there a truck pump that would clear the LS3 car throttle body. L92? LY6?
Old 06-29-2011, 12:38 AM
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Kinda figured that's why it wasn't working. Hmmmmm. The l99 pump looks like it might work and if i remember right it will work with the truck belt acc. BUT i may be wrong. And you may have to use spacers possibly.
Old 06-29-2011, 12:41 AM
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The L99 is the automatic camaro motor correct?
Old 06-29-2011, 12:41 AM
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Originally Posted by oakley6575
The L99 is the automatic camaro motor correct?
Yes it is. But i dont understand why you dont just run car acc setup. It's much more compact.

Last edited by lethal bird; 06-29-2011 at 01:12 AM.


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