zf-6 speed's

bigblue85

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hey ya'll was browsing on craigslist and was lookin at some five speeds for my 85 conversion... i came across a 6 speed zf...would it be possible to bolt it right up or is it a removable bell housing?
 

oregon96psd

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wont bolt up psd has a different bolt pattern. you might be able to drill it but then you still wouldnt have a flywheel to work. ive never heard of a psd flywheel bolting onto an idi but crazier things have happened.
 

idipwr

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7.3 powerstroke and IDI's have the same bell housing bolt pattern. A zf-6 will work, just not 100% bolt in other than bell housing.
 

92F350CC

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I just can't see it being worth the time and money just to gain an extra gear.
 

Diesel_brad

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And you need a transfer case form behind a ZF6. Nothing else will work.

Kinda pointless. They are way expensive and so are their parts and accessories
 

Diesel_brad

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Its not like the 6th gear is a deep overdrive either...which would be nice.

Correct.
it does give you a deeper 1st and reverse though;Sweet
S42 ZF5 S6-650 ZF6
1st Gear:
4.14/////////////5.79
2nd Gear:
2.37/////////////3.31
3rd Gear:
1.42/////////////2.10
4th Gear:
1.00/////////////1.31
5th Gear:
0.77/////////////1.00
6th gear:
N/A ////////////0.72
Rev Gear:
3.79/////////////5.23
 

snicklas

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7.3 powerstroke and IDI's have the same bell housing bolt pattern. A zf-6 will work, just not 100% bolt in other than bell housing.

The OBS 7.3PSD and the IDI's have the same bolt pattern.... The 99+ SuperDuty 7.3, 6.0 PSD's have a different bolt pattern.... the ZF-6 was not introduced until the SD's........
 

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