do i need to get longer oil pan bolts and not use the factory bolts?i have no bolts at all right now. thanks

With the 2nd gasket & tray, bolts may need to be 3/16" longer than if you just stuck the pan on. Proper bolts have captive washers, by memory the threads were maybe 1/2" - 3/4" long. I think there's a breakdown in the Archives somewhere with tightening torques.

Get a stud kit from 440 source. I used SCE gaskets and was super impressed with them.

Reproduction oil pan bolt set for big block Mopar worked perfect for me , including both the factory rear main seal retainer and Mancini Billet rear main seal Retainer when I screwed them in by hand , making sure they where not to long for each retainer and not bottoming out

Anyways

Plenty long for the two gaskets and factory windage tray plus the 402 oil pan

Mega Parts USA Oil Pan Bolt Set Big Block

Also Superformance Oil Pan Gaskets


http://www.megapartsusa.com/products.asp?cat=506

thanks