JDM ZC tranny/ USDM Si Final gear ???
Honda-Tech Member
Joined: Sep 2002
Posts: 5,647
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From: colorado springs, co, usa
Re: JDM ZC tranny/ USDM Si Final gear ??? (EF7)
if you have one of each tranny, then you have everything you need - you need to replace the zc countershaft with the si (using the zc gears) and switch the ring gears (bolts are left hand thread) - don't try to put the entire si differential into the zc case - it doesn't fit - if you have been running the zc tranny then you have the correct axles - if you have been running the si tranny then you will need different axles.
Honda-Tech Member
Joined: Jul 2001
Posts: 646
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From: LV, NV, Ukraine
Re: JDM ZC tranny/ USDM Si Final gear ??? (jlicrx)
If you don't wanna be getting an SI tranny just to get the parts from it, I have an SI final drive (countershaft+ring gear) for sale.
Also curious:
Why? I don't have a first hand experience in this yet, but why would it not fit?
From what I know SI and ZC use the same size differential bearings (unless it's an 88 SI).
Have you tried to do it yourself? Asking to know for sure for future.
Also curious:
don't try to put the entire si differential into the zc case - it doesn't fit.
From what I know SI and ZC use the same size differential bearings (unless it's an 88 SI).
Have you tried to do it yourself? Asking to know for sure for future.
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