ZC- 20 or 21 spline?

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Sep 11, 2003 | 08:26 PM

[G]

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ZC- 20 or 21 spline?

Im after a clutch kit for a 1989 ZC motor. Just wondering if it has 20 or 21 splines?

cheers

Sep 11, 2003 | 08:46 PM

[G]

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Re: ZC- 20 or 21 spline? ([G])

im pretty sure the 88's were 21 but then from 89-91 they changed to 20

Just wanna confirm so i dont order the wrong clutch kit. cheers

Sep 11, 2003 | 10:17 PM

efjuice

Joined: Jul 2003

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From: Dripdripdropsplash, WA

I believe you are correct....

Sep 12, 2003 | 08:01 PM

[G]

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thanks for the confirmation

Sep 12, 2003 | 09:01 PM

phatrick2332

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From: mi

arent they zc trannies the same as the si's..which were 20 in 88 and 21 in 89-91....

Sep 12, 2003 | 09:11 PM

Ef Whore

Joined: Nov 2002

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From: Jackson NJ

Re: (phatrick2332)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by phatrick2332 »</TD></TR><TR><TD CLASS="quote">arent they zc trannies the same as the si's..which were 20 in 88 and 21 in 89-91....</TD></TR></TABLE>

Correct, follow the USDM rules.

Sep 13, 2003 | 03:50 PM

[G]

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im 99% sure its the other way round to what u just said where the 88 are 21 and the 89-91 are 20 and not vice versa..
can anyone confirm tis for me 100% please

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Sep 13, 2003 | 04:46 PM

88CiViC_DX

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From: Hayward, CA

Re: ([G])

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by [G »</TD></TR><TR><TD CLASS="quote">]im 99% sure its the other way round to what u just said where the 88 are 21 and the 89-91 are 20 and not vice versa..
can anyone confirm tis for me 100% please</TD></TR></TABLE>

Thats right 88=21 89-91=20

Sep 13, 2003 | 07:33 PM

FourthGenHatch

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From: Baltimore, Md, USA

Re:

88 is 21, 89-91 is 20. I know this for a fact as I have an 88 which is 21 spline but I tried using an 89 one first but it only had 20 splines and wouldn't fit.