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Thread: LS1 accessory offsets
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03-13-2011 #1
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LS1 accessory offsets
Ok, I have a LQ4 block but sold all the LQ4 accessories (water pump, PS pump, alt, etc.) except the harmonic balancer. I have a full set of LS1 accessories (water pump, PS pump, alt, etc.) except a balancer from a LS1. Will my LQ4 harmonic balancer line up properly with the LS1 accerssoreis?
Wanted to check before I put it on and have to pull it back off again.
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03-13-2011 #2
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http://www.gmperformanceparts.com/_r...09_Catalog.pdf
scroll down till you get to the ls1 accessory drives. It will tell you about what harmonic balancer can interchange or if the one you have will work.
03-13-2011 #3
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nope, the truck stuff sticks out about 3/4" farther. Just get a new f body crank pulley and bolt. You might want to drill and tap the lower bolt boss too.
03-14-2011 #4
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That's about the difference I measured as well
what bolt boss?
03-14-2011 #5
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When you line up the f body alternator/bracket you'll find one bolt hole is not drilled in the iron blocks. The boss is there for it though.
03-14-2011 #6
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Oh ok, already drilled and tapped it a couple days ago.
Thanks though!
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