What Engine Should Go Into This Space?
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Believe Nothing
Joined: Jun 2004
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From: W. Central FL.
What Engine Should Go Into This Space?
Help me decide what engine I should install in the '49 F4. I was originally thinking 351 ahead of a C6 but realize I want an OD transmission to get any road speed. The old Timken will come out and a sixties vintage DRW rear end will replace it. Road friendly ratios are limited in these early rear ends. The later Dana 70s are too wide to fit under the Ford script stake bed and still would not give acceptable road speeds without OD.
I really don't want to get into a steering box relocation or swap, that may be involved with a V8 install, as my box is tight. I don't want PS.
I don't know that I really want to go with the wiring involved with fuel injection or that of the electronic transmission controls.
So what is a relative simple replacement for the flat six? I am easy on equipment. Would the Ford AOD hold up? Would I be better served with a SBC and a Chevy OD transmission.
Discuss.
4.9, 300 CID six
Mod motor
351, 302, any SBF
460,
SBC
I really don't want to get into a steering box relocation or swap, that may be involved with a V8 install, as my box is tight. I don't want PS.
I don't know that I really want to go with the wiring involved with fuel injection or that of the electronic transmission controls.
So what is a relative simple replacement for the flat six? I am easy on equipment. Would the Ford AOD hold up? Would I be better served with a SBC and a Chevy OD transmission.
Discuss.
4.9, 300 CID six
Mod motor
351, 302, any SBF
460,
SBC
Fleet Owner
Joined: Jul 2004
Posts: 27,294
Likes: 1,055
From: NM
Is the F-4 steering box that much bigger? I wouldn't have thought so.
I'd look around and see what is available at the best price and in the best condition. I don't know that I'd trust an AOD with the torque flowing thru it for a large truck. It would be nice to have a manual IMO.
I'd look around and see what is available at the best price and in the best condition. I don't know that I'd trust an AOD with the torque flowing thru it for a large truck. It would be nice to have a manual IMO.
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Believe Nothing
Joined: Jun 2004
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From: W. Central FL.
That 226 engine is still here, just way too anemic, low on torque to drive much lower ratio gearing. I've thought about what a T5 behind it would do.
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Thread Starter
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Believe Nothing
Joined: Jun 2004
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From: W. Central FL.
Is the F-4 steering box that much bigger? I wouldn't have thought so.
The steering box is not that much larger than on a smaller truck as near as I can tell. I just thought getting the exhaust manifold past it would be a problem with most any V8 except perhaps a Y block with cross over.
I'd look around and see what is available at the best price and in the best condition. I don't know that I'd trust an AOD with the torque flowing thru it for a large truck. It would be nice to have a manual IMO.
The steering box is not that much larger than on a smaller truck as near as I can tell. I just thought getting the exhaust manifold past it would be a problem with most any V8 except perhaps a Y block with cross over.
I'd look around and see what is available at the best price and in the best condition. I don't know that I'd trust an AOD with the torque flowing thru it for a large truck. It would be nice to have a manual IMO.
I figure if it has been done, someone on here has done it or seen it done.
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Believe Nothing
Joined: Jun 2004
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From: W. Central FL.
I have considered the Cummins but not the Detroit. Rather stay with gas. When are you coming over and see this new toy?
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Believe Nothing
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From: W. Central FL.
So will any, other than a flathead V8 clear this?
Fleet Owner
Joined: Jul 2004
Posts: 27,294
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From: NM
As I recall, the F-4's are on the larger F-5/F-6 frame? Whats your frame-to-frame measurement?
You know, there's a lot to be said for the route BobbyT went... if that fits in an F-1, can't believe it wouldn't fit in a -4....
You know, there's a lot to be said for the route BobbyT went... if that fits in an F-1, can't believe it wouldn't fit in a -4....
Fleet Mechanic
Joined: May 2012
Posts: 1,724
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From: peru kansas
i like the idea of detroits.......give this a look see and possibly think about detroits..... https://www.youtube.com/watch?v=pPyp9dgHkw0
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Believe Nothing
Joined: Jun 2004
Posts: 7,514
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From: W. Central FL.
What is the route Bobby T went?
Fleet Owner
Joined: Jul 2004
Posts: 27,294
Likes: 1,055
From: NM
Caddy V8... monster torque so you can use a plain old TH400 (indestructable) with a tall axle, not worry about OD. Same or lower weight than a 350 SBC, believe it or not. Lots of donors out there. He used a 500 but a 429 or 472 would do in a pinch.
He changed his F-1 to front-steer but I'm not sure if it was for clearance.
He changed his F-1 to front-steer but I'm not sure if it was for clearance.