ford 3 speed

Clutch, transmission, rear axle

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blumule
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ford 3 speed

Post by blumule »

Have beem given a ford 3 speed toploader with the side tag reading rat-g2 on side. Would this be ok behind a 390? Also what is this transmission called when ordering seals and gaskets? Nobody seems to understand just a ford truck 3 speed. is there another name for it?
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Re: ford 3 speed

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Fo-Mo-Co
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Re: ford 3 speed

Post by Fo-Mo-Co »

It should hold up with the correct input shaft. It's the Ford 3.03
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Re: ford 3 speed

Post by blumule »

that makes me more comfortable swapping this one for the one thats in there. I havent been able to do a full comparison yet but i have noticed this one in question doesnt have a bottom drain plug.what would this be? maybe an earlier year?
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sargentrs
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Re: ford 3 speed

Post by sargentrs »

Had one bolted up to my 302. Been a great transmission. No drain plug on bottom, only on the side.
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1970 F100 Sport Custom Limited LWB, 302cid, 3 on the tree. NO A/C, NO P/S, NO P/B. Currently in 1000 pcs while rebuilding. Project thread: http://www.fordification.com/forum/view ... 22&t=59995 Plan: 351w, C4, LSD, pwr front disc, p/s, a/c, bucket seats, new interior and paint.
1987 F-150 XLT Lariat, 5.0/C6 auto.
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Fo-Mo-Co
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Re: ford 3 speed

Post by Fo-Mo-Co »

My toploader is the same way. You van pull the bolt at the bottom of the tail shaft housing and it will drain. They are a tough trans. From what I understand they are as tough as a toploader. They maybe the same just missing 4th. It was put into some of the 2wd fe trucks from the factory.
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Re: ford 3 speed

Post by blumule »

it is same trans as 4 speed. just curious as to why they had different tag numbers for the different motors. either way i think i should be good.
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Re: ford 3 speed

Post by Fo-Mo-Co »

blumule wrote:it is same trans as 4 speed. just curious as to why they had different tag numbers for the different motors. either way i think i should be good.
I think they had different input and output shafts depending on the motor. Not sure about that. They also had a close and wide ratio in the 4 speed. Don't know if the 3 speed was the same or not.
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Re: ford 3 speed

Post by papabug71 »

Ford put the 303 behind 360's & 390's from the factory. You would really have to work at it to tear up a 3 speed. & I swear a member here or over at .net put one behind a 460 using a bell housing from a NP435, but I cant find the post.

Believe it or not, they're hard to find in my area. I have 2 spairs, just in case!
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1971 F-100 Sport Custom - My grandpaws truck
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--Currently undergoing full frame off resto/mod--
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