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Old 02-17-2011, 04:42 PM   #254
6>8 Plugless........
Dieselwrencher's Avatar
Join Date: Sep 2007
Location: Prairie City, Ia
Posts: 15,353
Re: Finally starting my Longhorn 4x4 conversion

Originally Posted by woodwright View Post
Did I miss a post or thread where you talked about that tach? That's not a standard tach right? Does it run off a crank trigger, or the alternator signal? I'm putting a 6.5T in mine and am trying to figure out the tach situation. I don't want to scab some goofy looking bolt on tach in there. I like things to sort of look like they came that way
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No, it isn't a standard tach. It is a cable operated tach ran off usually the injection pump on the older diesel engines. I have a tach drive that goes on my front cover and drives the cable for this tach. These things are pretty rare and hard to find. There are 2 different red lines on them as well. I feel the same way you do. I didn't want to scab some auto meter tach in there at all. Especially when I fund out about these factory diesel tachs. Here are some better pics of the front of it. This one is a 3200 red line. I believe the other style is a 2700 or 2600.
Attached Images
1972 Chevy Longhorn K30 Cheyenne Super, 359 Inline 6 cylinder, Auto Trans, Tilt, Diesel Tach/Vach, Buckets, Rare Rear 4-link and air ride option Build Thread
1976 K30 CC SWB Build Thread

Tired of spark plugs? Check this out.
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