Oil pan stripped threads - The 1947 - Present Chevrolet & GMC Truck Message Board Network

scott657 · 05-12-2015, 09:03 PM

1/2"-20 stripped
Options please

bj383ss · 05-12-2015, 10:12 PM

What i did on mine one of the rail bolts the smaller ones had a broken off bolt. When i tried to extract it the drill went off center. So you can drill a bolt size bigger tap it and then jb weld in a piece of all thread. Once the jb weld is cured cut the all thread off flush. Then i put the pan on and used a center finding punch that fit the pan hole. After this drill and tap for 1/2" 20

scott657 · 05-13-2015, 12:36 AM

Update, Tapped it to 1/4 NPT, now to get a plug.

bj383ss · 05-13-2015, 07:26 AM

Ahh..You meant the actual oil pan drain plug. I thought you were talking about where it bolts to the engine.

cru_zn_29 · 05-13-2015, 10:20 AM

Auto parts stores sell oversize self taping drain plugs. Check with napa

scott657 · 05-13-2015, 07:48 PM

Got a 1/4 NPT Brass plug with a hex head. Some teflon tape and sealant. Seems to be holding. Ever notice your stuff seems to run better with fresh oil

05-12-2015, 09:03 PM	#1
scott657 Registered User Join Date: Oct 2005 Location: Lancaster, ca Posts: 117	Oil pan stripped threads 1/2"-20 stripped Options please __________________ Scott 63 C10 Stepside 230 1bbl Saginaw 3 spd

05-12-2015, 10:12 PM	#2
bj383ss Registered User Join Date: Sep 2012 Location: Leander, TX Posts: 969	Re: Oil pan stripped threads What i did on mine one of the rail bolts the smaller ones had a broken off bolt. When i tried to extract it the drill went off center. So you can drill a bolt size bigger tap it and then jb weld in a piece of all thread. Once the jb weld is cured cut the all thread off flush. Then i put the pan on and used a center finding punch that fit the pan hole. After this drill and tap for 1/2" 20 __________________ 64' Build Thread http://67-72chevytrucks.com/vboard/s...d.php?t=586955

05-13-2015, 12:36 AM	#3
scott657 Registered User Join Date: Oct 2005 Location: Lancaster, ca Posts: 117	Re: Oil pan stripped threads Update, Tapped it to 1/4 NPT, now to get a plug. __________________ Scott 63 C10 Stepside 230 1bbl Saginaw 3 spd

05-13-2015, 07:26 AM	#4
bj383ss Registered User Join Date: Sep 2012 Location: Leander, TX Posts: 969	Re: Oil pan stripped threads Ahh..You meant the actual oil pan drain plug. I thought you were talking about where it bolts to the engine. __________________ 64' Build Thread http://67-72chevytrucks.com/vboard/s...d.php?t=586955

05-13-2015, 10:20 AM	#5
cru_zn_29 Registered User Join Date: Feb 2011 Location: Joshua Tree Ca. Posts: 719	Re: Oil pan stripped threads Auto parts stores sell oversize self taping drain plugs. Check with napa

05-13-2015, 07:48 PM	#6
scott657 Registered User Join Date: Oct 2005 Location: Lancaster, ca Posts: 117	Re: Oil pan stripped threads Got a 1/4 NPT Brass plug with a hex head. Some teflon tape and sealant. Seems to be holding. Ever notice your stuff seems to run better with fresh oil __________________ Scott 63 C10 Stepside 230 1bbl Saginaw 3 spd



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