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1961 - 1966 F-100 & Larger F-Series Trucks Discuss the Slick Sixties Ford Truck

engine swap

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Old May 6, 2012 | 08:38 PM
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engine swap

I have a 66 f100 3 on the tree with 300 six with a rod hanging out of the side of the block. I got a deal on a 78 f100 with a nice 302 and a c 4 behind it. I just want to drop in the 302 and keep the 3 speed, will this work? Was told I will need another flywheel. Also I would like to keep the electronic dist on the 302. How do I do this?
 
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Old May 6, 2012 | 08:50 PM
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From: pahrump nv
the dizzy is easy enough to wire up the 302 should bolt straight to the trans but yes you will need a new flywheel
 
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Old May 6, 2012 | 09:01 PM
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You will need small block specific perches and truck insulators.

Garbz
 
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Old May 6, 2012 | 09:08 PM
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parts truck

I can rob the parts truck for the motor mounts and perches right? The 78 also has new headers and flow masters on it. I was hoping this would swap over as well...............
 
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Old May 6, 2012 | 09:28 PM
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Everything from the 78 donor will swap over. Do a disc brake conversion while you have the parts truck.

Garbz
 
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Old May 6, 2012 | 09:41 PM
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Brakes

I would like to swap out the single master cyl for the double also. besides the booster and master cyl, I need a proportioning valve in there right? do I need the i beams of the newer truck to do the disc swap? How many Beers will I need?
 
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Old May 6, 2012 | 09:49 PM
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rearend

What is the rearend in the 78? did they make an 8.8 back then? I dont want to junk it with that rear when Iam done if it is . keepin the 9in the 66.....
 
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Old May 6, 2012 | 10:00 PM
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it will be a 9 inch in the 78
 
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Old May 6, 2012 | 10:06 PM
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Originally Posted by Bill W
it will be a 9 inch in the 78
Wouldnt the 78 read end be too wide though? I think the last year for same sized rears is 73 if I recall correctly.
 
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Old May 6, 2012 | 10:10 PM
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rear

all I know is the 78 does not have a 9 in it. It has a rear cover, I dont know what it is.
 
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Old May 6, 2012 | 10:17 PM
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it runs

Can you believe the 300 still runs with a rod flopping around and a hole in the block! I bet if I dropped the pan and pulled out the busted giblets and jb welded the hole it would be fine for another 100,000
 
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Old May 6, 2012 | 10:18 PM
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Originally Posted by topfuel
all I know is the 78 does not have a 9 in it. It has a rear cover, I dont know what it is.
Most likely a Dana 44 then. Not a horrible rear, as they have some advantages over a 9", mainly they are slightly more efficient. However the 9 is definitely tougher.

Should be some casting marks ont he case somewhere. Just Google "dana 44 identification" and that should get ya going the right direction.
 
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Old May 7, 2012 | 11:02 AM
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Originally Posted by topfuel
What is the rearend in the 78? did they make an 8.8 back then?
No 8.8's until 1983.

Some 1977/79 F100/150's came with Dana 44-3 rear axles with or without Limited Slip.

The AXLE code is stamped on the Warranty Plate. If it begins w/a letter: Limited Slip. If w/a number, no Limited Slip.
Originally Posted by C G B
I think the last year for same sized rears is 73 if I recall correctly.
37 1/2" width between the inner frame rails behind the cab: All 1973/79 F100/350's except as noted below.

33 1/2" width between the inner frame rails behind the cab: 1961/72 F100/350 / 1973/77 F250 4WD (High Boys) / 1973/79 F350's on the 140" wheelbase.
 
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Old May 7, 2012 | 11:55 AM
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Thanks for the reminder Bill. I couldnt remember if it was 72 or 73 and didnt feel like looking it up...
 
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