aftermarket tach
Lead Driver
Joined: Apr 2007
Posts: 5,958
Likes: 105
From: Houston
if you can get one sized small enough you can take the OE block off plate from your OE gauge cluster and cut the hole out through and through and mount an aftermarket gauge there. That's what we did with a customers '82 we built up. As far as a tach itself goes I couldn't say as there are so many options out there.
Fleet Owner
Joined: Jan 2004
Posts: 26,007
Likes: 575
From: Brentwood,CA
if you can get one sized small enough you can take the OE block off plate from your OE gauge cluster and cut the hole out through and through and mount an aftermarket gauge there. That's what we did with a customers '82 we built up. As far as a tach itself goes I couldn't say as there are so many options out there.
Moderator
Joined: Jan 2001
Posts: 56,984
Likes: 2,738
From: Virginia
Your diesel has no ignition system on it. So a regular tach is not going to work. The factory use a sensor mounted on top of the fuel injection drive housing and it read the teeth on the gear that drives the pump. I have heard of some tach's that read something coming out of the alternator.
Fleet Mechanic
Joined: Sep 2016
Posts: 1,519
Likes: 224
From: Nevada
Check the Diesel Discussion Forum since you have a 6.9.
Here is a thread from a couple months back with good info.
https://www.ford-trucks.com/forums/1609606-putting-a-tach-in-the-6-9-a.html
Charlie
Here is a thread from a couple months back with good info.
https://www.ford-trucks.com/forums/1609606-putting-a-tach-in-the-6-9-a.html
Charlie
Cargo Master
Joined: Jan 2019
Posts: 3,369
Likes: 16
From: Caraway, AR
Check the Diesel Discussion Forum since you have a 6.9.
Here is a thread from a couple months back with good info.
https://www.ford-trucks.com/forums/1609606-putting-a-tach-in-the-6-9-a.html
Charlie
Here is a thread from a couple months back with good info.
https://www.ford-trucks.com/forums/1609606-putting-a-tach-in-the-6-9-a.html
Charlie
Logistics Pro
Joined: Jun 2017
Posts: 3,963
Likes: 512
From: Edmond, OK
You can't go wrong with a classic:
https://www.jegs.com/i/Auto-Meter/105/2891/10002/-1
Here's an adapter:
https://www.summitracing.com/parts/a...iABEgL6XvD_BwE
https://www.jegs.com/i/Auto-Meter/105/2891/10002/-1
Here's an adapter:
https://www.summitracing.com/parts/a...iABEgL6XvD_BwE
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