Aftermarket tach install question - The 1947 - Present Chevrolet & GMC Truck Message Board Network

Billy Bad A$$ · 06-30-2005, 11:05 AM

I have read the FAQ thread about installing a Autometer Tachometer behind the factory cluster and gauges using a 3 3/8" gauge, but i am wondering if anyone has tried using a 3 3/4" so you would not have to use a spacer and it would fill the factory hole opening better. Any info about this would be great.

Putter · 06-30-2005, 11:36 AM

I am not 100% sure what you mean about a spacer. I didn't use a tach, but my temp gauge is 3 3/8" and it fit like a glove (mounted from behind). What would the spacer be for?

Billy Bad A$$ · 06-30-2005, 11:49 AM

I think you got confused putter, what i meant to say is installing a aftermarket tach in a factory cluster and gauge set up. If you look at the thread pics under faq aftermarket tach install article posted by jhwkns you will see that the gauge doesnot fill the factory hole and that there is a spacer that is painted black, which is why i am wondering if a 3 3/4 gauge would fit or not. Sorry for the confusion.

**'70_402** · 06-30-2005, 12:21 PM

Are You Talking About Taking The Tach Apart And Just Using The Internals And Not The Original Aftermarket Housing?

Billy Bad A$$ · 06-30-2005, 12:40 PM

Yes that is exactly what i am talking about.

Putter · 06-30-2005, 02:03 PM

Quote:

Originally Posted by 70'_402

Are You Talking About Taking The Tach Apart And Just Using The Internals And Not The Original Aftermarket Housing?

That makes wwwaaaaaaayyyyyy more sense. I don't see why that wouldn't work.

Billy Bad A$$ · 07-01-2005, 02:55 PM

I am wondering if it will clear the hole and if anyone has done this, i donot feel like taking apart my cluster fo no reason if won't work.

06-30-2005, 11:05 AM	#1
Billy Bad A$$ Registered User Join Date: Apr 2005 Location: Sioux Falls SD Posts: 27	Aftermarket tach install question I have read the FAQ thread about installing a Autometer Tachometer behind the factory cluster and gauges using a 3 3/8" gauge, but i am wondering if anyone has tried using a 3 3/4" so you would not have to use a spacer and it would fill the factory hole opening better. Any info about this would be great. Last edited by Billy Bad A$$; 06-30-2005 at 11:42 AM.

06-30-2005, 11:36 AM	#2
Putter More Cowbell.... Join Date: Mar 2004 Location: Puckett, MS Posts: 3,569	I am not 100% sure what you mean about a spacer. I didn't use a tach, but my temp gauge is 3 3/8" and it fit like a glove (mounted from behind). What would the spacer be for? __________________ *There once was a member from Puckett.....Who ( fill in the blank blank blank* ) bucket**

06-30-2005, 12:21 PM	#4
'70_402 Senior Member Join Date: Dec 2003 Location: Pampa, Texas Posts: 1,554	Are You Talking About Taking The Tach Apart And Just Using The Internals And Not The Original Aftermarket Housing? __________________ https://www.ebay.com/itm/295742064443

06-30-2005, 12:40 PM	#5
Billy Bad A$$ Registered User Join Date: Apr 2005 Location: Sioux Falls SD Posts: 27	Yes that is exactly what i am talking about. Last edited by Billy Bad A$$; 06-30-2005 at 12:40 PM.

06-30-2005, 11:49 AM	#3
Billy Bad A$$ Registered User Join Date: Apr 2005 Location: Sioux Falls SD Posts: 27	I think you got confused putter, what i meant to say is installing a aftermarket tach in a factory cluster and gauge set up. If you look at the thread pics under faq aftermarket tach install article posted by jhwkns you will see that the gauge doesnot fill the factory hole and that there is a spacer that is painted black, which is why i am wondering if a 3 3/4 gauge would fit or not. Sorry for the confusion.

07-01-2005, 02:55 PM	#7
Billy Bad A$$ Registered User Join Date: Apr 2005 Location: Sioux Falls SD Posts: 27	I am wondering if it will clear the hole and if anyone has done this, i donot feel like taking apart my cluster fo no reason if won't work.



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