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engine casting number
#1268653 Sun Jun 10 2018 06:15 PM
Joined: Mar 2007
Posts: 5,031
Leo Offline OP
'Bolter


A friend of mine just brought home a gorgeous 1953 GMC half ton 5 window. But it's not correct in many ways. The engine casting number says 5845383. I can't find that number anywhere, it is a six cylinder, looks like a 235.

Re: engine casting number
Leo #1268658 Sun Jun 10 2018 07:23 PM
Joined: Sep 2001
Posts: 31,520
Bubba - Curmudgeon
Might 5845383 be 5845363?
http://home.znet.com/c1937/Cast.htm


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
- 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 engines are not "splash oilers" - this is a splash oiler. [chevy.oldcarmanualproject.com]
Re: engine casting number
Leo #1268672 Sun Jun 10 2018 09:53 PM
Joined: Mar 2007
Posts: 5,031
Leo Offline OP
'Bolter


Thanks Tim, the number looks more like a 6 than an 8 but I'm thinking it must be an 8. Did those engines have the 3 threaded holes on each side, thinking for motor mounts? Were those holes there before the Chevy V8?

Re: engine casting number
Leo #1268684 Mon Jun 11 2018 12:09 AM
Joined: Sep 2001
Posts: 31,520
Bubba - Curmudgeon
Wait to hear from someone else.

I am not sure when the side motor mounts started being used on Chevrolet/GMC engines.

An eight cylinder engine became available in late 1955.


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
- 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 engines are not "splash oilers" - this is a splash oiler. [chevy.oldcarmanualproject.com]
Re: engine casting number
Leo #1268686 Mon Jun 11 2018 12:15 AM
Joined: Mar 2010
Posts: 10,076
5
'Bolter
Car 235s had threaded holes on the side mounts.

Re: engine casting number
52Carl #1268690 Mon Jun 11 2018 12:41 AM
Joined: Mar 2007
Posts: 5,031
Leo Offline OP
'Bolter


Originally Posted by 52Carl
Car 235s had threaded holes on the side mounts.

Do you mean before the SBC? In 1954?

Re: engine casting number
Leo #1268693 Mon Jun 11 2018 12:51 AM
Joined: Jun 2011
Posts: 4,465
E
'Bolter
Is the engine a Chevy or GMC? Chevy's are about 3" shorter than GMC's so if the fan is way short of the radiator, Chevy, if about .75" short of the radiator-GMC. GMC's SN, r side, stamped on pad by starter, start with displacement, I. e. 228xxxxx, etc.

Ed


'37 GMC T-18 w/ DD 4-53T, RTO-610, 6231 aux., '95 GMC running gear, full disc brakes, power steering, 22.5 wheels and tires.
'47 GMC 1 ton w/ 302, NP-540, 4wd, full width Blazer front axle.
'54 GMC 630 w/ 503 gasser, 5 speed, ex fire truck, shortened WB 4', install 8' bed.
'55 GMC 370 w/270, 420 4 speed, grain, dump bed truck from ND. Works OK.
Re: engine casting number
Leo #1269040 Thu Jun 14 2018 04:52 AM
Joined: Mar 2004
Posts: 5,428
M
'Bolter
Chevrolet started using the side motor mounts in 1958 on the passenger cars, the trucks still used the front mounts however they did have the bolt hole boss' cast but not used. 1955 thru 1957 SBC V8's did not have the side mount boss'.

I don't know when GMC switched...

Mike B smile

Re: engine casting number
Leo #1269106 Fri Jun 15 2018 02:12 AM
Joined: Mar 2010
Posts: 10,076
5
'Bolter
Originally Posted by 1953 panel



Do you mean before the SBC? In 1954?

Yes.


Moderated by  Woogeroo 

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