LT1-LT4 Modifications 1993-97 Gen II Small Block V8

Oil pump distributor gear

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Old 07-25-2008, 07:52 PM
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Default Oil pump distributor gear

Hey guys i'm rebuilding my motor going with a forged stroker. however the oil pump distributor gear is worn out. my current cam is a steel billet cam so my builder said this will most likely happen again unless i go with a bronze or composite gear. unfortunately as most of you know a bronze or composite gear in the lt1 diameter isn't readily available. i did a search but didn't come up with anything too useful. seems like people either fabbed something up to make a different diamater work or had to use the stocker. anybody have any useful tips?
Old 07-25-2008, 11:09 PM
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Ask your cam manufacturer what kind of gear they recommend. AI puts an Everwear gear on theirs and they told me no problem running a stock drive gear with it.
Old 07-25-2008, 11:42 PM
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i just found out that my cam is not a billet core. i checked the grind number and it is a cast cam. the stock oil pump drive gear should be fine but it is worn. could it be because the camshaft is moving back and forth? or could it be because my gear has 109K miles and seen two cams besides the stock unit?

comp said use the stock gear but the fact that my oil pump gear was worn out worries me.
Old 07-26-2008, 11:33 AM
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just pick up a new 1 it should be fine
Old 07-27-2008, 08:31 PM
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anybody know the part #
Old 07-27-2008, 09:01 PM
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Go to a Chevy or Pontiac dealer and get a new one. $55 or so. I just bought one last week. I don't have a part number though, sorry.
Old 07-27-2008, 09:02 PM
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Originally Posted by fergymoto
Go to a Chevy or Pontiac dealer and get a new one. $55 or so. I just bought one last week. I don't have a part number though, sorry.
yeah im going tomorrow just wanted to have the part number i hand. thanks.

were you able to get just the gear or did you have to get the whole drive assembly?

Last edited by C_Rules; 07-27-2008 at 09:34 PM.
Old 07-27-2008, 10:54 PM
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1103868 , i bought mine from GM Parts Direct for 42.73
Old 07-28-2008, 09:26 AM
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You have to get the whole assembly.
Old 07-28-2008, 01:08 PM
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thanks guys. i ordered mine today. should be in tomorrow morning.




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