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12-07-2018, 05:01 PM
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#1 |
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Registered User
Join Date: Mar 2017
Location: Houston Texas
Posts: 1
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1978 Factory Tach Conversion...GM Sport Combo Gauge is no longer an option
I have scrolled through past threads and do not see where my specific application was addressed. I have a factory clock gauge in the lower left corner and the fuel gauge to the right. I have seen this addressed where folks have the idiot light in the lower left and fuel to the right.
As of today GM Sports no longer sells the Tach/Fuel combo gauge. The story is the gentleman that made those has passed away. This was a solution for allot of us. I know I used one in the past on another project. So this brings me to today. I know I'll need a big tach and a small fuel gauge, but will I need to replace my cluster and printed circuit board? If so to which orientation? Which wires need to be swapped around? Has anyone done my application in the past? Thanks in advance! |
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12-07-2018, 05:13 PM
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#2 |
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Registered User
Join Date: May 2012
Location: horseheads,ny rust belt
Posts: 2,794
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Re: 1978 Factory Tach Conversion...GM Sport Combo Gauge is no longer an option
c-40 c-50 c-60 trucks had tack with lower fuel all in 1 . but i know the rpm might be a bit less and make sure its from a v8 and not diesel .
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77-k30lb BIG truck build . 87-k30lb budget beater build . 85-k30lb the plow machine build . 85-c10sb summer fun toy . ----------------------------- HOLLEY SNIPER efi = worst case of p.i.t.a i ever had . EDELBROCK pro flo 4 = best deal going so far . love my setup works great. |
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12-07-2018, 08:02 PM
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#3 |
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Registered User
Join Date: Apr 2001
Location: DALLAS,TX
Posts: 22,064
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Re: 1978 Factory Tach Conversion...GM Sport Combo Gauge is no longer an option
LMC sells the small fuel gauge that can go in the quad area & a reproduction tach for where the large diameter fuel gauge is.....
http://www.lmctruck.com/icatalog/cc/full.aspx?Page=93 I've had their small gauge in place since the swap in my dually & it's worked w/o issue (4yrs now).
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67SWB-B.B.RetroRod 64SWB-Recycle 89CCDually-Driver/Tow Truck 99CCSWB Driver All Fleetsides @rattlecankustoms in IG Building a small, high rpm engine with the perfect bore, stroke and rod ratio is very impressive. It's like a highly skilled Morrocan sword fighter with a Damascus Steel Scimitar..... Cubic inches is like Indiana Jones with a cheap pistol. |
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12-08-2018, 05:58 PM
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#4 |
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Registered User
Join Date: Jul 2009
Location: Front Royal Virginia
Posts: 243
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Re: 1978 Factory Tach Conversion...GM Sport Combo Gauge is no longer an option
SCOTI,
I seem to remember reading a thread where you used the GM Sports Tach from their kit (for the 7000 RPM) then used the LMC fuel gauge because of the font on it? Can't find the thread with the write-up. Is that correct? Looks like it's only the 5000 RPM's for now ;-( Last edited by rideair; 12-08-2018 at 06:03 PM. |
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12-10-2018, 12:32 PM
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#5 | |
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Registered User
Join Date: Apr 2001
Location: DALLAS,TX
Posts: 22,064
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Re: 1978 Factory Tach Conversion...GM Sport Combo Gauge is no longer an option
Quote:
__________________
67SWB-B.B.RetroRod 64SWB-Recycle 89CCDually-Driver/Tow Truck 99CCSWB Driver All Fleetsides @rattlecankustoms in IG Building a small, high rpm engine with the perfect bore, stroke and rod ratio is very impressive. It's like a highly skilled Morrocan sword fighter with a Damascus Steel Scimitar..... Cubic inches is like Indiana Jones with a cheap pistol. |
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