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Resolved 6-bolt Oil pump bolt sizes

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joat09

10+ Year Contributor
260
0
Aug 1, 2008
Galesburg, Illinois
I'm looking for the sizes of the bolts to an oil pump on a 6-bolt. I've seen a few expanded views of the sizes but none of them tell me what i need.

I know alot of the bolts are 8mmx1.25 with a 12mm head.

Is there any link or description anywhere of all the bolt sizes on the pump? I have non of the bolts and need the size of them all. The columbusdsm site doesnt have the bolt sizes for the oil pump alone.

Any help would be amazing. I tried to figure it out for a few hours. I don't want to have to make a trip to home depot a few times to find the right size since i live so far away. I thought about wheeling the engine in there to figure it out. Thank you!

tl;dr I need the bolt sizes to the oil pump on a 6-bolt. With bolt length and thread pitching.

Anyone have any ideas they can help me with?
 
All of the bolts except the one marked with a * are M8 x 1.25. The one marked with the asterisk is an M10 x 1.25.
 

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All of the bolts except the one marked with a * are M8 x 1.25. The one marked with the asterisk is an M10 x 1.25.

This is the diagram I have found. Thank you. I cannot get an 8mmx1.25 bolt to fit in he L=40 bolt in the middle. I just broke down and bought a bolt kit from extremepsi. I'm not sure if i had thte wrong bolt or what, but I should have the correct size bolts now.
 
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