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Engine : CSG 649 (Commercial Service Grade 300)
Drivetrain : Dana 44, 9" Inch NP 435 and NP 205
Transmission : no info
VIN : no info
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Reviewed by: Evan F 03/14/14 01:44PM
That is a AWESOME! looking Bronco How hard was it to find a 300 C.I. Like that? I might do that to my 88 Bronco VERY NICE Looking Bronco
Reviewed by: William P 03/18/14 07:51PM
Hi Evan, thanks for the comment. I got lucky on finding that engine, it was sitting in the back f a mechanics garage since 1992 still on the crate. It is an incredible engine, but has a few differences from the 300 I/6 that went into the automotive line, such as different cast on the block and head, and steel timing gears, not the nylon ones. The valve train is identical, as is the duration of the cam. This engine will run forever. One thing to be aware of in doing a conversion like this, if you have the same size tires as I do, which is 3 inches taller than the originals, and you have the NP 435 tranny, you will need to re-gear the rear ends. When you shift into 4th, the gear ratio goes 1:1 and she will fall on her face on any type of hill. I wanted 3.73's, but all that can be had is a 3.70 for the 9 inch, and 3.73 for the 44. This can be done, but instead of the rear pushing the front a bit, I wanted the front to pull the rear a trigger faster which I think is better when climbing mountains and such. If you ever need any advice, feel free to give me a shout, been there done that. :)
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