What is Transmission mount bolt size? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

'65 chevy lover · 10-07-2014, 08:27 PM

I'm having a difficult time finding the correct bolt size for the rear mount of my TH400. Not sure what year model it is. Bought it at Bishops International. It didn't have bolts in it. I've tried 3/8 and 7/16...neither worked. I'm wondering if they might be metric. From what I can tell, they appear to be fine thread. I don't want to screw up the threads trying to put a boult in there that's the wrong size/thread count. Anyone know what size and thread count?

Thanks

10-07-2014, 08:27 PM	#1
'65 chevy lover Registered User Join Date: Apr 2011 Location: Ft. Worth, Tx Posts: 536	What is Transmission mount bolt size? I'm having a difficult time finding the correct bolt size for the rear mount of my TH400. Not sure what year model it is. Bought it at Bishops International. It didn't have bolts in it. I've tried 3/8 and 7/16...neither worked. I'm wondering if they might be metric. From what I can tell, they appear to be fine thread. I don't want to screw up the threads trying to put a boult in there that's the wrong size/thread count. Anyone know what size and thread count? Thanks Last edited by '65 chevy lover; 10-07-2014 at 10:23 PM.



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