BBC dipstick - The 1947 - Present Chevrolet & GMC Truck Message Board Network

**Tripmiester** · 07-17-2020, 07:06 PM

I have a big block with a stock pan
It came with a dipstick but seems like the hole in the side of the pan is much bigger than the end of the dipstick am I missing a part or is it wrong?
Pics of the correct dipstick would be cool.

Thanks Steve

**clay68c10** · 07-17-2020, 08:10 PM

There’s an o-ring that seals it and takes up the slack.
Sorry no pic, it’s been a while since I’ve owned a BBC

**kwmech** · 07-17-2020, 10:49 PM

the hole in the pan is larger for the Oring mentioned and also so you can wiggle it in there through the exhaust manifold to get it seated

**Tripmiester** · 07-18-2020, 06:42 AM

There is a small bracket on the dipstick with a mounting hole does go to the exhaust manifold bolt?

Thanks Guys!

**68bowtie** · 07-18-2020, 11:37 AM

Yep!

68Gold/white · 07-18-2020, 12:51 PM

You may be able to buy that "O" ring from a parts store. They might be able to look it up, maybe not. Call and ask. If not take the dipstick and buy one or more "O" rings that have that I.D. dimension. The thicker the "O" ring, the bigger the O.D. dimension will be...

07-17-2020, 07:06 PM	#1
Tripmiester Senior Member Join Date: Jul 2018 Location: Bethany Connecticut Posts: 370	BBC dipstick I have a big block with a stock pan It came with a dipstick but seems like the hole in the side of the pan is much bigger than the end of the dipstick am I missing a part or is it wrong? Pics of the correct dipstick would be cool. Thanks Steve

07-17-2020, 08:10 PM	#2
clay68c10 Senior Member Join Date: Aug 2004 Location: Centennial, CO Posts: 2,990	Re: BBC dipstick There’s an o-ring that seals it and takes up the slack. Sorry no pic, it’s been a while since I’ve owned a BBC __________________ ClusterTruck: 68 C10 Bought in 89, wrecked in 03. Slow low $ rebuild started '17. 6.0 & TKO http://67-72chevytrucks.com/vboard/s...d.php?t=788602 93 K1500 Short Step, 350, NV4500, EBL flash ECU. Vortec heads & roller cam someday... 05 Jeep Wrangler Unlimited. 3” lift & 6-speed 02 E320 the insurance total “free car” 13 Tahoe LTZ

07-17-2020, 10:49 PM	#3
kwmech Senior Member Join Date: Mar 2003 Location: Colfax-California Posts: 8,630	Re: BBC dipstick the hole in the pan is larger for the Oring mentioned and also so you can wiggle it in there through the exhaust manifold to get it seated

07-18-2020, 06:42 AM	#4
Tripmiester Senior Member Join Date: Jul 2018 Location: Bethany Connecticut Posts: 370	Re: BBC dipstick There is a small bracket on the dipstick with a mounting hole does go to the exhaust manifold bolt? Thanks Guys!

07-18-2020, 11:37 AM	#5
68bowtie Senior Member Join Date: Jan 2007 Location: Turlock, CA Posts: 8,795	Re: BBC dipstick Yep! __________________ Please help my sister in law with her battle with cancer https://gofund.me/902f6fce Project "C10 Fever" (68 factory black 396 swb) Project "Little Sister" (70 c10 blue original paint refresh) Project "Blue Bomb" (70 c30 blue original paint refresh) SOLD Project "Vitamin C" (71 c10 orange original paint refresh) SOLD

07-18-2020, 12:51 PM	#6
68Gold/white Registered User Join Date: Sep 2011 Location: Ark City, Kansas Posts: 3,405	Re: BBC dipstick You may be able to buy that "O" ring from a parts store. They might be able to look it up, maybe not. Call and ask. If not take the dipstick and buy one or more "O" rings that have that I.D. dimension. The thicker the "O" ring, the bigger the O.D. dimension will be...

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