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The probles is - I use Trans-Dapt Performance Aluminum Oil Pans (#9004) with Fel-Pro Performance Oil Pan Gaskets (#1885). My stock oil pan bolts are too short for this combination and I may use stock bolts only with stamped (thin flange) oil pan. What aftermarket bolt kit (ARP be better) I should use? Unfortunately I'm not based in US and I can't resolve my problem here.
I found ARP Oil Pan Bolt Kits #234-1802, but I cant find thread size of this bolts.
Since you didn't specify what engine, here's what I know - and that ain't much. Chevy uses 1/4-20, and four 5/16-18, two front and two rear on first gen small blocks; I think that big blocks did,too, but that's old recall - been a long time. If you have a problem finding the righ length bolts, you might have some luck finding studs instead; install them into the block with Locktite, and use locking nuts and washers on them.
sorry, my engine is sbc 350 first gen.
Thanks for advance! I forgot about studs!