Oil Pan Bolts ?

I'm trying to figure out the proper size (both thread pitch & length) for my Moroso 20612 oil pan on my A-460 block. Motor is at the machine shop and I'm trying to throw some stuff together before I pick it up.

I have a decent source for hi-end ARP fasteners, w/o having to buy a whole kit through the manufacture, I just need to know the exact sizes first.

I'm "thinking" the the main ones along the rail on the outside are 5/16"-18 and the ones on the end are 3/8"-16, BUT,.... I'm not 100% sure. I'm not certain on the length anyway.

Anyone know which ones I need?

1/4 -20 SIDE BOLTS AND 5/16 18 END BOLTS.............. I'M YELLING

The one piece Motor-sport gasket is smaller on the 4 end bolts, either drill them out or remove them all together. I prefer to drill them out.

Get you some 1/4" set screws......makes a cheap stud kit. You could heli-coil those goofy 5/16" corner holes to 1/4" and be done with the odd sized stuff for good.

Set screws w/allen head insert works great. fastenal has them. Be careful drilling the rear holes in the gasket,it will wrap around that drill quicker than you can say "ole shit".

bbf-falcon wrote:Set screws w/allen head insert works great. fastenal has them. Be careful drilling the rear holes in the gasket,it will wrap around that drill quicker than you can say "ole shit".

A good reason to make the 5/16" stuff go away forever.

bbf-falcon wrote:Set screws w/allen head insert works great. fastenal has them. Be careful drilling the rear holes in the gasket,it will wrap around that drill quicker than you can say "ole shit".

Funny you said that.....I witnessed that drill wrap up at Phillip's shop saturday.

If you want to deal with removing the corner inserts this is the process I offered : Put a 5/16" bolt or stud upright in your vise, have your buddy, wife or fabio's cat hold the gasket with the 1/4" insert ~ centered on the fastner in the vise. Put a 1/2 or 9/16" socket [it's one of the two] on top of the gasket & tap lightly with a small hammer.....the gasket insert will pop right out.

bbf-falcon wrote:Set screws w/allen head insert works great. fastenal has them. Be careful drilling the rear holes in the gasket,it will wrap around that drill quicker than you can say "ole shit".

Scares the crap right out of you , and leave my Uncle Ole out of this, and don't even start something with Uncle Sven.

bbf-falcon wrote:Be careful drilling the rear holes in the gasket,it will wrap around that drill quicker than you can say "ole shit".

Been there, done that.

Freaked the shit out of me.

Use these for hole enlargement!

http://www.stepbits.com/stepbit_gallery/Data/page.htm?7,0

"A good reason to make the 5/16" stuff go away forever."

Just fix the issue once and quit fixing the gasket every time

Canton sells a nice Stainless Steel Stud kit cheap.

http://www.summitracing.com/parts/ctr-22-360

dfree383 wrote:Canton sells a nice Stainless Steel Stud kit cheap.

http://www.summitracing.com/parts/ctr-22-360

They are cheap.....but you can buy local set screws for ~ the shipping charge... most of the time.

Lem Evans wrote:

dfree383 wrote:Canton sells a nice Stainless Steel Stud kit cheap.

http://www.summitracing.com/parts/ctr-22-360

They are cheap.....but you can buy local set screws for ~ the shipping charge... most of the time.

True, but I usually buy a set or two when I place a big order.

Lem, how long should the set screws be?

i like these http://www.boltdepot.com/Socket_button_head_Alloy_steel_black_oil_finish_1_4-20.aspx get a lota stuff from this place. they work realy good with the bigass oil pan that has the holes you go through to reach the bolts.

Now then,.....

If using bolts instead of studs (on a steel pan), what would be the proper length if using a Motorsport/Ford Racing 1pc gasket?

Copperhead wrote:Now then,.....

If using bolts instead of studs (on a steel pan), what would be the proper length if using a Motorsport/Ford Racing 1pc gasket?

I aint got any idea......but if you used studs and they are 1/4" longer that they need to be.....it will not matter

Lem Evans wrote:

Copperhead wrote:Now then,.....

If using bolts instead of studs (on a steel pan), what would be the proper length if using a Motorsport/Ford Racing 1pc gasket?

I aint got any idea......but if you used studs and they are 1/4" longer that they need to be.....it will not matter

how bout this http://www.boltdepot.com/Set_screws_Allen_Cup_point_Stainless_steel_18-8_1_4-20.aspx

One advantage of using studs are not worrying about bottoming out a bolt or a bolt that is not long enough. I haven't used bolts in oil pan/valve covers in years.

Helicoil the corners of the block and cover or remove the corner inserts on the gasket.

I helicoiled and used 1/4-20 set screws and flanged nylock nuts. Got it all from McMaster Carr.