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Re: 1937 216 rebuild
Pre '68 Dave #1342011 Tue Jan 14 2020 12:40 AM
Joined: Mar 2010
Posts: 8,979
5
Master Gabster
Originally Posted by Pre '68 Dave
Actually 3.5625 to be accurate Jerry.

What's a half an inch between friends? smile smile smile

Re: 1937 216 rebuild
John Dlugos #1342013 Tue Jan 14 2020 12:42 AM
Joined: Dec 2019
Posts: 49
J
Wrench Fetcher
The issue is the nos short block doesn't have a good head. Anybody know where I can find a good head for a 216 With domed pistons?
I still have one more local source looking in his collection.
Started getting parts around today and plan on going to engine shop on Wednesday.
Thanks for all the imput. Will keep you informed on progress
John


John
37 Chevy 1.5 ton
17 Dodge Brothers Roadster
23 Dodge Brothers Touring
23 Dodge Brothers Coupe
73 Plymouth Scamp 2 dr
Re: 1937 216 rebuild
John Dlugos #1342021 Tue Jan 14 2020 01:10 AM
Joined: Sep 2001
Posts: 29,546
ace skiver
A photo is attached for an odd Ross pop-up “domed” piston is attached (from an ) Internet search.

Did the head have to be special/adapted to use those pistons?

Attached Files

Tim
1954Advance-Design.com [1954advance-design.com]
1954 3106 Carryall Suburban [stovebolt.com] - part of the family for 49 years
1954 3104 5-window pickup w/Hydra-Matic [1954advance-design.com] - part of the family for 15 years
Z-series (54/55) GMC 350 (2-ton) COE [1954advance-design.com] - now part of Dave's family
- If you have to stomp on your foot-pedal starter, either you, or your starter, or your engine, has a problem.
- The 216 and early 235 engine are not "splash oilers" - this is a splash oiler. [chevy.oldcarmanualproject.com]
Re: 1937 216 rebuild
John Dlugos #1342208 Tue Jan 14 2020 11:31 PM
Joined: Mar 2002
Posts: 8,950
Master Gabster
You may want to check if the 39 rocker arms are usable on the newer head. Also the 39 doesn't have a rear main seal.


1951 GMC 1 Ton Flatbed -- It is finally on the road and what a great time I have driving it!
1951 1 Ton Completed


My Chevy Master 4 Door is on the Road!
Re: 1937 216 rebuild
John Dlugos #1342276 Wed Jan 15 2020 10:53 AM
Joined: Dec 2019
Posts: 49
J
Wrench Fetcher
Started getting parts around yesterday.
Noticed push rods are different lengths for 37and 40
I do have rocker arms for both heads
I think lifters are different also
Will look closer today


John
37 Chevy 1.5 ton
17 Dodge Brothers Roadster
23 Dodge Brothers Touring
23 Dodge Brothers Coupe
73 Plymouth Scamp 2 dr
Re: 1937 216 rebuild
John Dlugos #1342279 Wed Jan 15 2020 12:04 PM
Joined: Sep 2001
Posts: 29,546
ace skiver
The olds Parts manual does not show the lengths for push rods, but it shows if different years had different: Push Rods (0.426) (as you posted)

Rocker Arms: 0.386
Lifters/Tappets: 0.469


Tim
1954Advance-Design.com [1954advance-design.com]
1954 3106 Carryall Suburban [stovebolt.com] - part of the family for 49 years
1954 3104 5-window pickup w/Hydra-Matic [1954advance-design.com] - part of the family for 15 years
Z-series (54/55) GMC 350 (2-ton) COE [1954advance-design.com] - now part of Dave's family
- If you have to stomp on your foot-pedal starter, either you, or your starter, or your engine, has a problem.
- The 216 and early 235 engine are not "splash oilers" - this is a splash oiler. [chevy.oldcarmanualproject.com]
Re: 1937 216 rebuild
John Dlugos #1342284 Wed Jan 15 2020 12:46 PM
Joined: Aug 2005
Posts: 8,878
Global Mod
'37-'39 had the long pushrods to go with the "cup" style lifers. In '40 Chevy started using the milk can style lifters with shorter pushrods. When I bent pushrods on my '38 I had to put the newer milk can lifters and shorter pushrods in it because I couldn't find a supplier for the longer pushrods.


Save a life, adopt a senior shelter pet.
The three main causes of blindness: Cataracts, Politics, Religion.
Name your dog Naked so you can walk Naked in the park.
Re: 1937 216 rebuild
John Dlugos #1342293 Wed Jan 15 2020 02:06 PM
Joined: Dec 2019
Posts: 49
J
Wrench Fetcher
So head casting #. 3835517 turns ou to be a 50- 52 head. I do have the rocker arms and push rods for it


John
37 Chevy 1.5 ton
17 Dodge Brothers Roadster
23 Dodge Brothers Touring
23 Dodge Brothers Coupe
73 Plymouth Scamp 2 dr
Re: 1937 216 rebuild
John Dlugos #1342298 Wed Jan 15 2020 02:24 PM
Joined: Dec 2019
Posts: 49
J
Wrench Fetcher
It does have the milk can lifters. Will probably buy new ones since 39 block is new

Last edited by John Dlugos; Wed Jan 15 2020 11:47 PM.

John
37 Chevy 1.5 ton
17 Dodge Brothers Roadster
23 Dodge Brothers Touring
23 Dodge Brothers Coupe
73 Plymouth Scamp 2 dr
Re: 1937 216 rebuild
John Dlugos #1342364 Wed Jan 15 2020 11:57 PM
Joined: Dec 2019
Posts: 49
J
Wrench Fetcher
While discussing options today with engine builder he wonders if using aluminum pistons instead of cast and possibly a different flywheel might cause a balance issue that should be addressed.was this ever an issue on your builds Jerry?
I know we're not building a race car but would hate to find issues after the fact
Going back to engine shop on Friday and hopefully make some final decisions then
Thanks, John

Last edited by John Dlugos; Thu Jan 16 2020 12:14 AM.

John
37 Chevy 1.5 ton
17 Dodge Brothers Roadster
23 Dodge Brothers Touring
23 Dodge Brothers Coupe
73 Plymouth Scamp 2 dr
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