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-   68-69 GTO Tempest & LeMans TECH (https://forums.maxperformanceinc.com/forums/forumdisplay.php?f=433)
-   -   Add in dash tach (https://forums.maxperformanceinc.com/forums/showthread.php?t=869035)

nh68gto 09-06-2023 04:56 PM

Add in dash tach
 
What’s involved in adding in dash tach ?
Doing the rally conversion and like to also imitate the bulky aftermarket tach.
Thanks.
Dominick

Greg Reid 09-07-2023 09:23 AM

What bulky aftermarket tach?
Why not the stock in-dash tach to go with your rally gauges?

nh68gto 09-07-2023 09:35 AM

Yes that’s what I’m asking.
* eliminate lol bulky after market tach.

Greg Reid 09-07-2023 11:56 AM

Yeah, I need to swap my inoperative in-dash tach for a clock I purchased after installing a hood tach.. Been putting it off because I don't think it can be done without removing the instrument panel. I've done that a couple of times and it's not something I'm looking forward to doing again..
Of course, mine is a '68... completely different dash if you're dealing with a '69.

SD455DJ 09-07-2023 06:42 PM

2 Attachment(s)
It was pretty easy...just plug & play basically. We were able to install it without removing the radio or heater controls, but it is a tight fit, so plan accordingly. This is an older reproduction in-dash tach that fortunately did work (reads about 5% high throughout the rev range). It used the same connections (2) as the filler plate and connect the wiring as per the instructions. The original owner installed an aftermarket tach in the right-hand pod that the repro tach replaced.

Dennis

Cammer-6 09-07-2023 07:32 PM

5% is easily corrected with a cap
Wheres Padgett when you need him :^(

Shiny 09-07-2023 07:39 PM

Quote:

Originally Posted by SD455DJ (Post 6452915)
It was pretty easy...just plug & play basically. We were able to install it without removing the radio or heater controls, but it is a tight fit, so plan accordingly. .........

Dennis

I think your definition of easy may be different than mine - that's impressive! I think I have a bad connection to the dash speaker(s) and have been dreading trying to reach up there. I'm afraid if I lay on the floorboard I will never get back up. Where doesn't it hurt?

SD455DJ 09-07-2023 08:29 PM

Well, with all the work we've been doing to the car, it was pretty easy...comparatively...lol. Also, it doesn't have AC, which opens up the under-dash immensely! Dan and I can relate to the increased length of time it takes to crawl out from underneath the dash these days...not to mention the aches and pains that come with it.

Dennis

SD455DJ 09-07-2023 08:31 PM

Quote:

Originally Posted by Cammer-6 (Post 6452929)
5% is easily corrected with a cap
Wheres Padgett when you need him :^(

Cammer, what's a 'cap'? Never heard of it...but, I'm not really knowledgeable with gauges and other gadgets electrical.

Dennis

Greg Reid 09-07-2023 08:51 PM

Capacitor.

vertigto 09-08-2023 01:47 PM

Make sure it's calibrated first.

SD455DJ 09-10-2023 05:29 PM

Quote:

Originally Posted by Greg Reid (Post 6452948)
Capacitor.

Ahh, OK, I've heard of those things...lol! Thanks for clarifying!

Dennis

Greg Reid 09-10-2023 05:44 PM

Just make sure it's not a Flux Capacitor...you could wind up in 1982.

SD455DJ 09-10-2023 05:46 PM

Quote:

Originally Posted by Greg Reid (Post 6453688)
Just make sure it's not a Flux Capacitor...you could wind up in 1982.

Don't you have to be standing on a toilet first???

Dennis

Greg Reid 09-10-2023 05:47 PM

Lol

einstein 09-10-2023 06:15 PM

Quote:

Originally Posted by Cammer-6 (Post 6452929)
5% is easily corrected with a cap
Wheres Padgett when you need him :^(

Padgett still had his tach repair side business when we first met. I recall him marking the circuit board with a track of pencil graphite to calibrate a hood tach. He said they all read high from the factory.


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