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270 into a 1.5 ton
#1331302 Sat Oct 26 2019 06:23 PM
Joined: Aug 2019
Posts: 1
I
Iain Offline OP
Moderated
Hi there stovebolters, I'm hoping you can help me out.

I have a 42 one and a half ton truck with a cracked block, I also have a 55 gmc 270 engine, what I would like to ask if any of you gents have done this swap before ?

I've already checked and the bellhousing and clutch fit right on, and I don't mind a little bit of fabrication regards the mounts or the cab floor as I know the 270 is a little bit longer.

I await your answers from your own experiences good or bad with bated breath.

Best regards

iain

Re: 270 into a 1.5 ton
Iain #1331315 Sat Oct 26 2019 08:24 PM
Joined: Sep 2001
Posts: 30,134
ace skiver
Into a 1942 1.5 ton Chevrolet or GMC truck?


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: 270 into a 1.5 ton
Iain #1331325 Sat Oct 26 2019 09:22 PM
Joined: Sep 2010
Posts: 1,540
W
Shop Shark
I put that same motor in my '38 Chevy 1 ton. The rear mounts required some wedges to make them work. The front mount required a new hole drilled into the cross member. The radiator was moved to the front of the radiator cowl making room for the fan.


Wayne

When I die, I hope she doesn't sell everything for what I told her I paid for it!

1938 1-Ton Farm Truck
In the Stovebolt Gallery
Photos that I have shared on Stovebolt via PhotoBucket are no longer available. Please contact me if you want a photo from an old post. malmwayne@hotmail.com
Re: 270 into a 1.5 ton
Iain #1331338 Sat Oct 26 2019 11:02 PM
Joined: Jun 2011
Posts: 3,512
E
Shop Shark
Sounds like Wayne has it all worked out.

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.

Moderated by  Justhorsenround 

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