std tranny for a m-block???
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Elder User
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From: not mass
std tranny for a m-block???
ok i know if if was on a 460>>>blah.blah.blah.........lol
but what has been done on a 400
i want better gearing and the rear can fine tune it later, or may pullem 4 something bigger
the granny gear is useful when ya got to crawl but would like a overdrive
has any body seen a ZF on a 400 asee it has a low and a.76 also whats the six speed thing
will it live happily with the botom toque
well anyway any info would be nice
but what has been done on a 400
i want better gearing and the rear can fine tune it later, or may pullem 4 something bigger
the granny gear is useful when ya got to crawl but would like a overdrive
has any body seen a ZF on a 400 asee it has a low and a.76 also whats the six speed thing
will it live happily with the botom toque
well anyway any info would be nice
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Joined: Aug 2000
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From: PacNW
std tranny for a m-block???
Anything that would fit/live behind a 460 should work on a 400 as well.
Here's a link you might find useful:
Domestic Truck Tranny Guide
Here's a link you might find useful:
Domestic Truck Tranny Guide
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Posting Guru
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Post Fiend
Joined: Jan 2003
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From: Montana Territory
std tranny for a m-block???
So will anything that bolted to a 460 bolt to a 351M with a modification to the crossmember and driveline? Now you all got me riled up about this, I want OD.
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Fleet Mechanic
Joined: Jan 2003
Posts: 1,812
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From: Central Ohio
std tranny for a m-block???
I am desperately seeking the same... a 5 speed that has an overdrive (and a low is a plus too) so I been researching the ZF swap into my 78 bronc (I posted some threads in the tranny section about this). This is about the only info I found so far: https://www.ford-trucks.com/forums/s...threadid=44122
Evidently it is possible to put a ZF onto a 351M/400 (atleast the 5 speed... I think the 6 speed version might be a powerstroke diesel only tranny?). I want the power clutch too but I havent figured out much about that. But the problem with the ZF is I guess the clutch placement on a 460 is different than a 351M/400 so the cluthc needs farbrication. Check out the link abouve for all that info. It also says you can even use a np205 on it as well (good for me as I got a few of them and I wont have to modify any u-joints or driveshafts). If anyone learns more on this swap please let me know! I am still trying to figure out if I can ad a hydraulic clutch to this swap.
Evidently it is possible to put a ZF onto a 351M/400 (atleast the 5 speed... I think the 6 speed version might be a powerstroke diesel only tranny?). I want the power clutch too but I havent figured out much about that. But the problem with the ZF is I guess the clutch placement on a 460 is different than a 351M/400 so the cluthc needs farbrication. Check out the link abouve for all that info. It also says you can even use a np205 on it as well (good for me as I got a few of them and I wont have to modify any u-joints or driveshafts). If anyone learns more on this swap please let me know! I am still trying to figure out if I can ad a hydraulic clutch to this swap.
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Elder User
Joined: Dec 2002
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From: not mass
std tranny for a m-block???
as far as transfer case
np 205 gear drive and cast housing(sure its gonna b harder and more costly to fix) vs most/all others chain poss. alum case(borg warn)
hey i like bullet-proof myself and rather stay with the 205
hey if they had a cast zf like the aluminum ones i would go that way
hey running a german tranny(allways has been) isn't as bad as the jap they get from mazda(?)
np 205 gear drive and cast housing(sure its gonna b harder and more costly to fix) vs most/all others chain poss. alum case(borg warn)
hey i like bullet-proof myself and rather stay with the 205
hey if they had a cast zf like the aluminum ones i would go that way
hey running a german tranny(allways has been) isn't as bad as the jap they get from mazda(?)
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Joined: Sep 2001
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From: in the country
std tranny for a m-block???
I think the 6 speed is available on the V10 as well as the diesel. The question is ....is there compatability between the v10 and the 351m\400 bolt patterns. I have no idea but surely someone has investigated this subject. For what it would cost to purchase, modify , and install an nv4500 you can buy a NEW Gearvendors OD and use your old tranny. They make the BEST OD unit on the market today....no question. fd 
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Elder User
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From: not mass
std tranny for a m-block???
yah i thought of a bolt-on od box and ....
first don't think that its a good match for a 4 wheel drive
even if it was bolted in you would have to change the(/both) driveshafts and as i know when you go hear the bronco's double-cartigan driveshaft you are looking at a bill
they got me for 250 to put a cap and univ joint on
first don't think that its a good match for a 4 wheel drive
even if it was bolted in you would have to change the(/both) driveshafts and as i know when you go hear the bronco's double-cartigan driveshaft you are looking at a bill
they got me for 250 to put a cap and univ joint on
Fleet Mechanic
Joined: Jan 2003
Posts: 1,812
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From: Central Ohio
std tranny for a m-block???
Someone please correct me if I am wrong but I beleive the triton motor and deisel ZF's dont have the same bolt pattern as the 460/351M/400 pattern. I think the ZF with this bolt patter was used in 87 or 88 through mid 90's trucks. Should be pretty strong as it was used up to the F-450's (although I dont know much about the nv4500). I too thought about a aux OD unit but with my bronco and a lift the driveline angles are gonna be too extreme i think because the shaft will be so short. Pluss, I have seen ZF's on ebay for $1,000 reman. (havent checked anywheres else yet though) and I would much rather have the manual 5 spd versus the auto c6 w/ OD unit personally. I am just not sure if I am gonna be able to get the clutch fabbed.
Fleet Mechanic
Joined: Jan 2003
Posts: 1,812
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From: Central Ohio
std tranny for a m-block???
I agree with you battered_bronco... but I am the kinda person who if I dont have every step thought out and detaield ahead of time and all the parts, then I'll never finish it and it will sit in the garage forever.
Post Fiend
Joined: Jan 2003
Posts: 10,323
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From: Montana Territory
std tranny for a m-block???
Well I am too lazy to go through six gears to get to overdrive. SO here is my plan, I picked up this Ford Toploader 3 speed OD unit for what it cost me to drive out to the junkyard. I gots friends there so it was all good. I think this will work just fine. I don't know waht kind of adjustments I am going to have to make but that doesn't really matter because I can probably fab it.