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Late Model 300

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Old Oct 27, 2016 | 04:52 AM
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Late Model 300

Does anyone know of any issues that might arise from swapping in a late model (early 90's) 300 I-6 into my 66?

I'm going to strip off the fuel injection system and run a manifold and carburetor.

It has a factory split exhaust manifold and I'm thinking that might be cool to keep, but I don't know if it will work.

I'm just needing to know if there's anything about the late model 300's that excludes them from being good swap-in engines into a 66.
 
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Old Oct 27, 2016 | 07:59 PM
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Originally Posted by shortwide
Does anyone know of any issues that might arise from swapping in a late model (early 90's) 300 I-6 into my 66?

I'm going to strip off the fuel injection system and run a manifold and carburetor.

It has a factory split exhaust manifold and I'm thinking that might be cool to keep, but I don't know if it will work.

I'm just needing to know if there's anything about the late model 300's that excludes them from being good swap-in engines into a 66.

I Believe that there are no issues with doing what you want ... My 86 has a 1975 block and I am in the process of putting in a "new" points distributor and carter 1 bbl that I have picked up. About the only differences are the manifolds ... you will probably have to change the distributor or get the wiring harness and computer ... I Would Go for it ...
 
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Old Oct 27, 2016 | 08:54 PM
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I have heard that the newer manifolds give better performance and do bolt on to the old engines
 
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Old Oct 27, 2016 | 10:26 PM
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Later 300's don't have a provision for a mech fuel pump.

The EFI split ex manifolds work great, but have no heat riser for the carb, so you need to add carb heat another way.

Lots of info on the FTE six cylinder forum....
 
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Old Oct 27, 2016 | 10:54 PM
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Thanks for the replies.

I'm going to tear into the 300 tomorrow.....pull the AODE, the Fuel Injection, etc, etc.

I think the only thing I'll keep, apart from the engine itself, is the dual split manifolds. Those look pretty cool.

I'm wanting to run a small 4 barrel carb, so I'll need a manifold and I'll need to figure out which distributor to run.
 
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Old Oct 29, 2016 | 07:56 AM
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Got the engine stripped down and the AODE separated.

It looks to be in good shape overall. Running 150lbs of compression in all six cylinders
 
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Old Oct 29, 2016 | 08:03 AM
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I saw it briefly mentioned above but I want to be sure....I'm pulling the AODE off of this late model 300 and will be running it with the original top loader 3 speed manual.from my 66.

Is there going to be a balancing issue with the late model harmonic balancer weight matching the 1966 flywheel counterweight?
 
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Old Oct 29, 2016 | 10:06 AM
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I'm not exactly sure what that transmission is but, It doesn't look like an AODE. An AODE doesn't have ribs running from the converter housing all the way back along side the case. The tail/extension housing doesn't look right for an AODE either.

I have a '98 Ford 4R70W, electronically-shifted, 4-spd automatic, overdrive transmission that I'm going to install in my '69 F100. The 4R70W is the 3rd generation version of the original AOD. The AODE is the 2nd generation of the AOD.

This is my 4R70W. Except for the large "W" cast on the tail housing of the 4R70W (denoting a much better wide ratio gearset than the AOD/AODE) and having a 7/8" deeper converter housing, the AODE and the 4R70W will look the same on the outside.



The 300 is internally balanced so, the harmonic balancer and the flexplate/flywheel should have a neutral balance and shouldn't be a problem. --If it was mine, I would run the serpentine belt system.
 
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