Dipstick broke off

[Zzz]

SBC blocks with block-mounted dipsticks used a tube from the pan rail partway down towards the bottom of the pan to prevent dipstick/roatating assembly interference.

GM 3951600 Straight Oil Dipstick Tube, S/B V8 69-79 Camaro/69-72 Nova

Straight tube for Small Blocks. GM Oil dipstick tube For Small Block For 1969-72 Nova; 1969-79 Camaro Camaros & Classics part number OL3640

www.speedwaymotors.com

Well I didn’t know that shouldn’t the engine builder of put that in already. Does that make sense

 

[WanaBa442]

Two things you can do......
Get a large magnet and stick it to the bottom of the pan. Drain the oil, and see if you can see the piece in the bottom of the pan.
If it's not all mangled and sticking up into the crank, you may be able to fish it out thru the drain plug hole. Probably need a bore scope to see in there.
Second option involves alot more labor, and you already know what that one is.........
First one will only cost you 5 qts of oil.

 

[pagrunt]

I've never seen a lower tube extension

My '70 block (D.S. stick) has it, the junk 305's ('81, '86) didn't (P.S. side).

 

[Zzz]

Two things you can do......
Get a large magnet and stick it to the bottom of the pan. Drain the oil, and see if you can see the piece in the bottom of the pan.
If it's not all mangled and sticking up into the crank, you may be able to fish it out thru the drain plug hole. Probably need a bore scope to see in there.
Second option involves alot more labor, and you already know what that one is.........
First one will only cost you 5 qts of oil.

Yep. Thanx

 

[1320John$$$]

Driver side dipstick takes a support tube through the block passenger side dipstick is part of the tube 1970 block 350 versus 1987 block 350

 

[Zzz]

Driver side dipstick takes a support tube through the block passenger side dipstick is part of the tube 1970 block 350 versus 1987 block 350View attachment 142980View attachment 142981View attachment 142982View attachment 142984View attachment 142983

Beautiful illustrations thank you very much

 

[Ribbedroof]

Driver side dipstick takes a support tube through the block passenger side dipstick is part of the tube 1970 block 350 versus 1987 block 350

Thanks for the update. I guess I have never had a pass side dipstick that didn't go into the pan....or it's been too many years ago 🙁

For the OP: Unless you have a block-mounted pass side stick, that pan's going to have to come off to fix the issue

 

[Bonnewagon]

This is the Pontiac version. It turns the dipstick towards the rear and away from the crankshaft. It bolts to one of the windage tray bosses on a main cap.

 

[1320John$$$]

Thanks for the update. I guess I have never had a pass side dipstick that didn't go into the pan....or it's been too many years ago 🙁

For the OP: Unless you have a block-mounted pass side stick, that pan's going to have to come off to fix the issue

If you have a driver side dipstick and the support tube was never installed you will not need to remove the oil pan to install one if it’s bent you won’t be able to pull it through the casting and you have to remove the pan to install a new one the support tube is installed from the Cylinder head surface side of the block

 

[Ribbedroof]

Now I feel like an idiot. But i'd bet it's been at least 35 years since I had one with a stick in the block that far apart.