I got my block back from the machine shop yesterday and one of the engine stand bolts won't thread in right. Those are the holes for the bellhousing right?? What size tap do I need to clean them up so I can get the bolt in??

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Riccioli Performance Motorworks

--RPM Racing--

-Currently building first ever engine. 383 with Super Ram plenum and runners, Edelbrock lower intake, Bosch 24# injectors, AFR 190 heads, MSD ignition.
-Will be installing Baer Brakes
-Will be installing full Spohn suspension in rear
-Art Carr 700R4 trans??


Attention Everyone!!! I will be changing my name on the message boards to HardcoreZ28 sometime in the near future. Just wanted to let everyone know.

 

I belive they're 3/8th NC, just take one down to the HW store, and have'em match it up.

 

What Mike said is the right size.

 

SBC = 3/8-16 UNC. Use a bottoming tap instead of a plug tap to clean up all the threads.

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Later,
Vader
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"Fear is how I fall, Confusing what is real..."
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