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02-12-2006, 11:18 PM
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#1 |
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67 Shortstep
Join Date: Dec 2005
Location: Louisiana
Posts: 100
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Factory Tach for a 6 Cyl.?
Currently doing a frame-up on a 67 shortstep and just got to wondering- is there a factory tach that will work with my 250 6 cyl.? I am going to upgrade the original 3 hole cluster to one with gauges and I thought while I had it apart now would be the time to do a tach install. Any info on this would be appreciated.
Thanks! Bryan
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67 SWB Step 69 LWB CST 71 LWB 94 SWB Step 05 1500 Dodge P/U Adapt, Improvise, Overcome 
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02-12-2006, 11:22 PM
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#2 |
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Roadtrip!
 
Join Date: Feb 2003
Location: Grand Rapids MN
Posts: 13,786
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Re: Factory Tach for a 6 Cyl.?
They did make a factory 6 cyl tach. There is a couple on e-bay right now, but they seem to bring more than an 8 cyl tach. They also go to 5k rpms...
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67 gmc custom lwb dakota truck. Sold...And bought back 69 swb 4x4 project (in progress) 70 c-10 lwb texas truck 70 4x4/BB/bkts/posi/tach(retired) 70 swb (wifes) 70 jimmy camper 71 K-5 factory 2wd 71 cheyenne 4x4/tach/posi/ plow rig 71 Cheyenne20 BB, buckets, tach, tilt, 4 speed 72 jimmy CST wyoming rig 72 jimmy Colorado rig 72 lifted texas 4x4 3/4 ton burb 65 fury conv. 383/auto 65 chrysler 300 "L" 413 auto |
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02-12-2006, 11:33 PM
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#3 |
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its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,690
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Re: Factory Tach for a 6 Cyl.?
While they are marked 8 cyl and 6 cyl... I have been told there is a hole on the back that you can reach in with ascrewdriver and adjust it to work with either or.
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02-12-2006, 11:36 PM
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#4 | |||
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Union Electrician
Join Date: Feb 2005
Location: Louisville, Ky.
Posts: 3,354
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Re: Factory Tach for a 6 Cyl.?
I know of this hole you speak of, and it seams to be how you calibrate the gauge so I'm with Longhorn on that it may be possible to work on both.
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 69 Custom-10 SWB FLEETSIDE  350/350 TH Dropped 3.5/5.5"Help support the board->HERE Board vendors -> Vendors list Zip:40272 Big Sandy Survivor... Quote:
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02-12-2006, 11:42 PM
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#5 |
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Senior Member
Join Date: Aug 2005
Location: Los Angeles
Posts: 1,363
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Re: Factory Tach for a 6 Cyl.?
I have been told that the reproduction tach's can be calibrated for 6 cylinders.
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1967 GMC CM-2500 Camper Cruiser, 351E V-6, NP 435 4 speed, Dana 60, and factory A/C. 2012 GMC K-3500 WT regular cab, 6.0L Vortec, 6L90. |
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02-13-2006, 12:17 AM
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#6 | |
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67 Shortstep
Join Date: Dec 2005
Location: Louisiana
Posts: 100
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Re: Factory Tach for a 6 Cyl.?
Quote:
Thanks! Bryan
__________________
67 SWB Step 69 LWB CST 71 LWB 94 SWB Step 05 1500 Dodge P/U Adapt, Improvise, Overcome
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02-13-2006, 01:42 AM
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#7 |
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Senior Member
Join Date: Aug 2005
Location: Los Angeles
Posts: 1,363
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Re: Factory Tach for a 6 Cyl.?
I think Classic Industries and all the others sell the same tachs and clusters. I talked to a speedometer shop in my area and he says he can calibrate one to work on a 6 cylinder.
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1967 GMC CM-2500 Camper Cruiser, 351E V-6, NP 435 4 speed, Dana 60, and factory A/C. 2012 GMC K-3500 WT regular cab, 6.0L Vortec, 6L90. |
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02-13-2006, 01:49 AM
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#8 |
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Senior Member
Join Date: Oct 2002
Location: Saskatoon Saskatchewan
Posts: 492
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Re: Factory Tach for a 6 Cyl.?
Talk to Mark (Livrat) he has a 6 cyl tach he wants to sell.
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02-13-2006, 02:58 AM
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#9 | |
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67 Shortstep
Join Date: Dec 2005
Location: Louisiana
Posts: 100
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Re: Factory Tach for a 6 Cyl.?
Thanks y'all!
Quote:
Bob ~ Will give Classic Industries a call today. Is this board great, or what!?!
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67 SWB Step 69 LWB CST 71 LWB 94 SWB Step 05 1500 Dodge P/U Adapt, Improvise, Overcome
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