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THREAD SIZE BB OIL PAN BOLT #2022221 02/29/16 11:36 PM 02/29/16 11:36 PM
Joined: Oct 2008 Posts: 1,176 East Coast A A/MP OP super stock
A/MP OP super stock A Joined: Oct 2008 Posts: 1,176 East Coast	Picking up a short block tomorrow. Does not have an oil pan. What size bolt? Thanks

Re: THREAD SIZE BB OIL PAN BOLT [Re: A/MP] #2022239 02/29/16 11:54 PM 02/29/16 11:54 PM
Joined: Jan 2007 Posts: 7,664 IN A ahy master
ahy master A Joined: Jan 2007 Posts: 7,664 IN	They are 1/4" coarse thread around 5/8" length with underhead serrations to help keep them in place. Many aftermarket bolts are flange head with a smaller than usual socket size which is handy. http://www.manciniracing.com/mioilpanboki.html

Re: THREAD SIZE BB OIL PAN BOLT [Re: A/MP] #2022265 03/01/16 12:24 AM 03/01/16 12:24 AM
Joined: Dec 2012 Posts: 1,824 Wind Gap,Pa. S Sammy top fuel
Sammy top fuel S Joined: Dec 2012 Posts: 1,824 Wind Gap,Pa.	It's a 5/16-18 course thread.

Re: THREAD SIZE BB OIL PAN BOLT [Re: A/MP] #2022361 03/01/16 02:16 AM 03/01/16 02:16 AM
Joined: Jan 2011 Posts: 4,785 Utah and Alaska astjp2 master
astjp2 master Joined: Jan 2011 Posts: 4,785 Utah and Alaska	I have a few hundred if you need some. Not a factory head stamp, I got them military surplus. Tim 1941 Taylorcraft 1968 Charger 1994 Wrangler 1998 Wrangler 2008 Kia Rio 2017 Jetta I didn't do 4 years and 9 months of Graduate School to be called Mister!

Re: THREAD SIZE BB OIL PAN BOLT [Re: A/MP] #2022369 03/01/16 02:29 AM 03/01/16 02:29 AM
Joined: Oct 2008 Posts: 1,176 East Coast A A/MP OP super stock
A/MP OP super stock A Joined: Oct 2008 Posts: 1,176 East Coast	So what is it 1/4 20 or 5/16 18?

Re: THREAD SIZE BB OIL PAN BOLT [Re: Sammy] #2022376 03/01/16 02:46 AM 03/01/16 02:46 AM
Joined: Oct 2011 Posts: 290 Dayton, WA wesgtx440 enthusiast
wesgtx440 enthusiast Joined: Oct 2011 Posts: 290 Dayton, WA	Originally Posted By Sammy It's a 5/16-18 course thread. This one. 68 Charger R/T 440 auto

Re: THREAD SIZE BB OIL PAN BOLT [Re: A/MP] #2022421 03/01/16 06:25 AM 03/01/16 06:25 AM
Joined: May 2008 Posts: 5,399 Aurora, Colorado 451Mopar master
451Mopar master Joined: May 2008 Posts: 5,399 Aurora, Colorado	5/16" add a dab of blue medium strength loctite on the threads to keep them from loosening.

Re: THREAD SIZE BB OIL PAN BOLT [Re: 451Mopar] #2022449 03/01/16 10:47 AM 03/01/16 10:47 AM
Joined: Sep 2003 Posts: 19,470 north of coder moparx "Butt Crack Bob"
moparx "Butt Crack Bob" Joined: Sep 2003 Posts: 19,470 north of coder	5/16x18 thread, but make sure you choose the correct length depending on the pan/gasket combination and weather or not you are using a windage tray. do not choose a bolt length for your combo that only allows a few threads to enter the block, nor choose a length that bottoms in the block before the pan combo is fully tightened.

Re: THREAD SIZE BB OIL PAN BOLT [Re: A/MP] #2022758 03/01/16 08:22 PM 03/01/16 08:22 PM
Joined: Jan 2003 Posts: 5,445 So Cal Sinitro master
Sinitro master Joined: Jan 2003 Posts: 5,445 So Cal	We prefer to use studs.. ARP and Milodon makes these, Jegs carries..... The kit provides easy pan installation, windage tray and gasket lineup... http://www.jegs.com/i/Milodon/697/81320/10002/-1?parentProductId= Just my $0.02...

Re: THREAD SIZE BB OIL PAN BOLT [Re: Sinitro] #2023049 03/02/16 09:48 AM 03/02/16 09:48 AM
Joined: Sep 2003 Posts: 19,470 north of coder moparx "Butt Crack Bob"
moparx "Butt Crack Bob" Joined: Sep 2003 Posts: 19,470 north of coder	Originally Posted By Sinitro We prefer to use studs.. ARP and Milodon makes these, Jegs carries..... The kit provides easy pan installation, windage tray and gasket lineup... http://www.jegs.com/i/Milodon/697/81320/10002/-1?parentProductId= Just my $0.02... the best approach.

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