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D tranny gear swaps

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Old 01-04-2019, 07:27 PM
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Default D tranny gear swaps

Hey guys

I have what some might say is a simple question. My question is this. Is it possible to switch gears from a d series cable trans to a d series hydro. What I’m asking is could I for example swap 2nd and 3rd from my 90 L3 trans to my 95 s20 which is a dx. Also is it possible to swap final drives? Thanks in advance for any help.
Old 01-04-2019, 08:06 PM
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Default Re: D tranny gear swaps

I think Ds are more limited by shitty gearing than actual motors and that dx trans is awful. Just get a tranny out of an ex, has a 4.25 final vs your 4.05ish existing one.
Old 01-04-2019, 10:24 PM
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Default Re: D tranny gear swaps

I’m familiar with th differences in each. My question is are the gen4 civic trans compatible for swapping with the gen5 civics or gen6 even ?
Old 01-05-2019, 01:54 PM
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Default Re: D tranny gear swaps

Bump
Old 01-05-2019, 05:49 PM
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Default Re: D tranny gear swaps

The countershafts are different lengths in the cable and hydro D-series transmissions, so they are not interchangeable. If you don't get the response you want here, try giving Synchrotech a call - they helped me out with some similar questions on the D-series transmission I just put together.
Old 01-06-2019, 06:57 PM
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Default Re: D tranny gear swaps

Originally Posted by DaX
The countershafts are different lengths in the cable and hydro D-series transmissions, so they are not interchangeable. If you don't get the response you want here, try giving Synchrotech a call - they helped me out with some similar questions on the D-series transmission I just put together.
I appreciate the informative response.
Old 01-07-2019, 12:22 PM
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Default Re: D tranny gear swaps

1/2 and FD, no. 3/4/5 yes.
Old 03-29-2019, 09:50 PM
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Default Re: D tranny gear swaps

[QUOTE=Aquafina;51824533]1/2 and FD, no. 3/4/5 yes.[/QUOTE

so You are saying 3,4 and 5 are interchangeable ? And the fd and 1st and 2nd are not ?
Old 03-30-2019, 04:43 AM
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Default Re: D tranny gear swaps

[QUOTE=89hybrid;51899916]
Originally Posted by Aquafina
1/2 and FD, no. 3/4/5 yes.[/QUOTE

so You are saying 3,4 and 5 are interchangeable ? And the fd and 1st and 2nd are not ?
correct
Old 03-30-2019, 11:02 PM
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Default Re: D tranny gear swaps

https://www.ebay.com/itm/MFactory-He...AAAOSwWiBY~nL5

mfactory says their lsd fits 89-00 civics so which is correct ?
Old 03-31-2019, 02:43 AM
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Default Re: D tranny gear swaps

Originally Posted by 89hybrid
https://www.ebay.com/itm/MFactory-He...AAAOSwWiBY~nL5

mfactory says their lsd fits 89-00 civics so which is correct ?
The LSD will fit like MFactory says, but you will have to change the ring gear to match the countershaft.
Old 03-31-2019, 10:40 AM
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Default Re: D tranny gear swaps

The LSD fits cable and hydro. https://wd-r.com/shop?olsPage=products%2Fhelical-lsd
Old 03-31-2019, 12:48 PM
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Default Re: D tranny gear swaps

Originally Posted by DaX
The LSD will fit like MFactory says, but you will have to change the ring gear to match the countershaft.
got it thanks
Old 03-31-2019, 12:50 PM
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Default Re: D tranny gear swaps

Originally Posted by Aquafina
clicked on the link. Damn that thing is beautiful and when I have some cash that will be my baby.

Last edited by 89hybrid; 03-31-2019 at 08:11 PM.
Old 03-31-2019, 12:54 PM
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Default Re: D tranny gear swaps

Honestly I need to educate myself on transmissions because I don’t know **** .
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