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12-28-2004, 08:13 AM
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#1 |
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Junior Member
 Join Date: Feb 2004
Location: Rochester, NH
Posts: 92
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Original Tach, changed to electronic distributor
I installed an original in cluster tach in my 72 K20, but someone before me installed an electronic distributor, in theory should the tach work with this distributor, I also installed the circuit wiring for the tach cluster. Now when the engine starts the tach reads 750 RPMs but sits there no matter how the engine RPM's change.
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Bill Toothaker 72 K20 FSLB 63K FS:86 Mercedes 560SL 63 Ford F100 51 Willy's Jeep station wagon w/64 289 Studebaker 68 Honda SL90 1500 miles Chevy 6 cyl street rod 2011 Nissan Murano cross cabriolet Cabins for Rent Lake Winnipasaukee, NH |
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12-28-2004, 08:40 AM
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#2 |
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Senior Member
Join Date: Jul 2001
Location: Muskegon,MI,USA
Posts: 6,026
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The tach should work with your electronic distributor. Make sure the tach has 12 volts to it and the case/instrument housing is grounded properly.
Does you distributor have a terminal for the tach connection? Jim |
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12-28-2004, 09:43 AM
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#3 |
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Never enough time!!
Join Date: Mar 2004
Location: sw Wisconsin
Posts: 601
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We haven't left the garage yet, but the factory tach in the k20 is connected to a HEI distributor and works fine, up to 2500 anyway...that's as far as me and Bry have revved it!!
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12-29-2004, 12:09 AM
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#4 |
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its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,690
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Sounds like a bum tach to me.
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12-29-2004, 12:12 AM
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#5 | |
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Registered User
Join Date: Apr 2004
Location: Calgary, Alberta,Canada
Posts: 1,595
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Quote:
 
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I know what your thinking.......I have ESPN. Sometimes it's easier to do things the hard way. Fesler Built 1968 Chevy C10....Must resist the urge to mess with it!! 
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12-29-2004, 12:15 AM
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#6 |
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its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,690
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pretty much the same as my bum brother in law....doesn't work and probably never will.
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12-29-2004, 08:17 AM
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#7 |
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Junior Member
Join Date: Feb 2004
Location: Rochester, NH
Posts: 92
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Yes the distributor has terminal marked tach I am checking the 12 volts and ground. If these prove to be OK is their a rebuild for the tach or do I send it somewhere to be rebuilt? With the engine running, shouldI get a voltage or amp reading from the output termial on the distributor?
__________________
Bill Toothaker 72 K20 FSLB 63K FS:86 Mercedes 560SL 63 Ford F100 51 Willy's Jeep station wagon w/64 289 Studebaker 68 Honda SL90 1500 miles Chevy 6 cyl street rod 2011 Nissan Murano cross cabriolet Cabins for Rent Lake Winnipasaukee, NH |
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12-29-2004, 08:51 AM
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#8 | |
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The LuvShack Garage
Join Date: Jan 2004
Location: Maple Grove, TN (West Side)
Posts: 30,468
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Quote:
LMAO AND ROTF
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Owner/Op: "TN Classic Transport Carriers" The Toy: "Square Vette" 72 Hybrid Blazer Toy Barn: "LuvShack" 40 x 60 x 20 Shop Tow Piggy:"Maddy" 88 Silverado 3500 Hauler: "Feathers" 14 Aluma 8218T |
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