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Re: Engine for my 51 pickup
51Gib #1334971 Sat Nov 23 2019 03:44 PM
Joined: Jun 2011
Posts: 3,597
E
Shop Shark
292's are great engines, just need to allow for offset mount. They like fuel, so gear them carefully for intended loads and trips.

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 for my 51 pickup
51Gib #1336008 Sun Dec 01 2019 09:37 PM
Joined: Nov 2019
Posts: 7
5
51Gib Offline OP
New Guy
I heard it was a gas gussler and the gearing is important. I'm starting from a blank frame so I'm thinking the Muncie M20 (4 speed manual) and getting a Nova rear end. I'm also reading the T5 overdrive tranny is a good choice. I'm looking to make this a nice and comfy highway driver. I do have the IFS setup for the front so that will help. Always looking for comments and advice.

Re: Engine for my 51 pickup
51Gib #1336010 Sun Dec 01 2019 11:25 PM
Joined: Sep 2009
Posts: 302
G
Shop Shark
I have the Muncie 420 in my stock 1953 1/2 ton truck, and I have a 261 engine with torque tube and 4:11 rear gears. The granny-low first gear is about 7.1:1 ratio and un-useable in traffic. 5mph and the engine is screaming. It is only useful for pulling a heavy load, pulling the truck into the garage, or a parade. I use 2,3,4 for driving. And with the 4.11 rear end, 55mph is about top end and the motor is somewhat wound up. So I'm wondering if maybe a newer 4-speed (maybe the SM465) or T-5 might be of better use in your truck since you want a nice highway driver.


-Patrick
1953 Chevrolet 3100
261 / 4-speed / 4:11 / Commercial Red

Re: Engine for my 51 pickup
51Gib #1336021 Mon Dec 02 2019 12:17 AM
Joined: Jan 2013
Posts: 1,793
Shop Shark
Why not just change your rear ended to 3.55 or so? I can run my 216 with 3 speed at 70 mph without issue since I changed to 3.55 rearend. I can’t pull weight, but I don’t care to pull with it.

Last edited by ndkid275; Mon Dec 02 2019 12:19 AM.
Re: Engine for my 51 pickup
51Gib #1336033 Mon Dec 02 2019 01:58 AM
Joined: Jun 2011
Posts: 3,597
E
Shop Shark
A 465 has direct high gear so it will not help, T-5 has OD gears.

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 for my 51 pickup
51Gib #1336039 Mon Dec 02 2019 02:47 AM
Joined: Apr 2016
Posts: 548
M
Shop Shark
I think FlowKooler makes the only high flow water pump I know of. They don't make it in chrome but if you juice it up it's a good choice. There are kits for the motor mounts out there.The 292 takes a small block bellhousing and pretty much any trans you want. I would also upgrade your radiator and might as well get one with a shroud and electric fan as a kit. My old rear end is a 12 bolt 6 lug from a junkyard 40 years ago. There are people here that know what to get a rear end from, Then just weld your perches on and bolt it in. Find a longer drive shaft and have it shortened. The 292 is an awesome engine, torque monster. I'm putting one in my 53 3100. You can find them on ebay running for around $500 sometimes with free shipping. The 292 and 250 share the same head. The 292 is basically a stroked 250. Good luck. There is lots of bling available for the 292. Here is a tamer version of the one I'm building now.

Attached Files
motor mount 1.jpg (244.66 KB, 142 downloads)
motor mount 2.jpg (216.44 KB, 140 downloads)
radiator 1.jpg (413.78 KB, 136 downloads)
292 bling.jpg (131.26 KB, 138 downloads)
292 mock up.jpg (219.03 KB, 142 downloads)

Old enough to know better, too young to resist.
Re: Engine for my 51 pickup
51Gib #1336044 Mon Dec 02 2019 03:08 AM
Joined: Sep 2009
Posts: 302
G
Shop Shark
Awesome pictures! And thanks for the info about the SM465, I did not know that.

Personally, with my truck being stock, I don’t care to go over 55 for safety reasons. I have drum brakes and straight axle. Not exactly equipment meant for today’s highway speeds.

Now if you are talking about improved front suspension, disc brakes, etc, then yes I would like the 3.55 gears as well.


-Patrick
1953 Chevrolet 3100
261 / 4-speed / 4:11 / Commercial Red

Re: Engine for my 51 pickup
51Gib #1336063 Mon Dec 02 2019 04:41 AM
Joined: Jan 2013
Posts: 1,793
Shop Shark
Green,

I have a straight front axle with everything stock, minus disc brakes and anti roll bar on the front. I seat belt kids in and go. She rides smooth without any issues. I can comfortably keep up with traffic without thinking that I will die.

Chris

Re: Engine for my 51 pickup
51Gib #1336074 Mon Dec 02 2019 10:05 AM
Joined: Apr 2016
Posts: 98
A
ASU Offline
Shop Shark
I have a 48 3600 with a 292, T5 with .86 OD, and a 4.11 14 bolt rear end. When I swapped the rear end, I should have found a 3.73, or searched for a .72 OD transmission. Otherwise, I really enjoy it. You will have to modify engine mounts, and the fan does sit too low with respect to the radiator. I am still working on my final cooling solution. I am trying to stay away from electric fans.

Jon

Re: Engine for my 51 pickup
51Gib #1336105 Mon Dec 02 2019 05:46 PM
Joined: Apr 2016
Posts: 548
M
Shop Shark
My 53 with the 235 (slightly juiced) had 373's and SM420 trans in it. I drove it a couple of hundred thousand miles including a few cross country trips. It highwayed fine. I now have a Frankland rear end with 128 choices for rear end gear ratios. I know I'm out there but just showing what you can do.

Attached Files
Frankland quik change.jpg (135.51 KB, 88 downloads)

Old enough to know better, too young to resist.
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