Si Cluster Tach question?

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Old 04-05-2007, 10:36 AM
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Default Si Cluster Tach question?

Ok I have a 90 DX and I swapped in a 90 CRX SI cluster but for some reason the tach is jumping around everwhere. Everything else on the cluster works fine but what is causing this thing to jump and how can I fix it?
Old 04-05-2007, 10:44 AM
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Default Re: Si Cluster Tach question? (webba1)

Have you tried the cluster in another car yet?
Old 04-05-2007, 10:50 AM
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Default Re: Si Cluster Tach question? (CanuckCRX)

Nope. I just plugged it in mine and everything but the tach worked. Should I try to Plug it into someone elses?
Old 04-05-2007, 10:54 AM
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Default Re: Si Cluster Tach question? (webba1)

usually jumping tach comes from an issue in the distributor, try putting your stock back and see if stock one does it. If your stock one does it and your new one does it get a new distributor. If just the new one does it than its a messed up cluster
Old 04-05-2007, 11:15 AM
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Default Re: Si Cluster Tach question? (AK_CRX)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by AK_CRX &raquo;</TD></TR><TR><TD CLASS="quote">usually jumping tach comes from an issue in the distributor, try putting your stock back and see if stock one does it. If your stock one does it and your new one does it get a new distributor. If just the new one does it than its a messed up cluster</TD></TR></TABLE>

The stock cluster doesnt have a tach so it can't jump. I am planning on doing a MPFI swap soon, might that fix my prob?

Also, What B-pipe do I need to run a D16Y8 (4-2-1) exhaust manifold? I have heard that a B-pipe from a 90-91 integra will work?
Old 04-05-2007, 11:39 AM
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Default Re: Si Cluster Tach question? (webba1)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by webba1 &raquo;</TD></TR><TR><TD CLASS="quote">Nope. I just plugged it in mine and everything but the tach worked. Should I try to Plug it into someone elses?</TD></TR></TABLE>
Ahhh...yeah. If it does'nt do it in another car, then its an issue with your distributor. If it does do it, its the cluster.
Old 04-05-2007, 11:42 AM
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Default Re: Si Cluster Tach question? (CanuckCRX)

Cool I have a friend with a 90 SI I'll go try it on his.
Old 04-05-2007, 11:48 AM
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Default Re: Si Cluster Tach question? (webba1)

I had a jumpy tack but no other problems...usually if the tack is jumpy and the car is running like crap the ignitor is the problem...so I open up my dizzy and was going to swap in a new ignitor but found out that the little clips that slid onto the ignitor were just loose...

Cliff Notes: open up your dizzy and make sure the clips on the ignitor are tight
Old 04-05-2007, 01:19 PM
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Default Re: Si Cluster Tach question? (Loserkidwac)

just checked on my friends SI and the tach worked fine so it must be in the dizzy. I am about to do a MPFI swap so I will check back in after I finish that.
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