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Engine swap #1308982 Mon Apr 29 2019 11:53 PM
Joined: Jan 2009
Posts: 47
5
56trucknut Offline OP
Wrench Fetcher
I have 69 c10 with a 6 cylinder and 3 speed manual transmission. How much trouble is it to put a 1978 350 engine in it? Does the bell housing mount bolt up? Any help would be great.

Re: Engine swap [Re: 56trucknut] #1308986 Tue Apr 30 2019 12:37 AM
Joined: Jun 2011
Posts: 2,794
E
EdPruss Offline
Shop Shark
A 292 6 CYL.would work well tO.

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.
Re: Engine swap [Re: 56trucknut] #1309000 Tue Apr 30 2019 02:13 AM
Joined: Feb 2001
Posts: 1,247
T
Tommy Offline
Shop Shark
It should work fine, just get the v8 frame mounts. Will probably need a larger shroud for the radiator .

Last edited by Tommy; Tue Apr 30 2019 02:14 AM.

Tommy
59 apache 1/2t
261 short stepside
Re: Engine swap [Re: 56trucknut] #1309061 Tue Apr 30 2019 06:20 PM
Joined: Feb 2004
Posts: 19,003
H
Hotrod Lincoln Online
Boltergeist
The bellhousing will be a direct bolt-in from the 6 to the V8. If you're running a 230 or 250 engine the motor mounts on the frame will be in the right place, also. A 292 will have an offset mount on the passenger's side, but if you're running one of them already, why bother with the V8?
Jerry


The murder victim was drowned in a bathtub full of Rice Krispies and milk.
The coroner blamed the crime on a cereal killer!

Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
Re: Engine swap [Re: 56trucknut] #1309104 Tue Apr 30 2019 11:40 PM
Joined: Jan 2009
Posts: 47
5
56trucknut Offline OP
Wrench Fetcher
Jerry, the 6 I have is original and is really tired. I have come across a known good v8 so I thought I would just swap rather than go through the overall process.

Re: Engine swap [Re: 56trucknut] #1309214 Wed May 01 2019 08:24 PM
Joined: Feb 2004
Posts: 19,003
H
Hotrod Lincoln Online
Boltergeist
A C-10 with a 292 would probably have to have been special ordered when new. I don't think it was normally offered in the 1/2 ton trucks. C-30 and up would have been a more likely candidate for 292 power. They are rugged, powerful engines that will give a V8 a run for its money pulling a load, but they love their gasoline!
Jerry


The murder victim was drowned in a bathtub full of Rice Krispies and milk.
The coroner blamed the crime on a cereal killer!

Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!

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