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#1
11-05-2002, 04:43 PM
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After 16 yrs of owning my 71 GTO I'm considering trying to get the factory tach to work. I've always ran aftermarket untill some bum stole my Autometer sport comp the other night. I'm thinking of just going to a shift light for the track and using the factory tach for daily useage. I've tried to locate wiring diagrams for the indash tach but have had no luck. Anybody have a solution or somewhere where I can go check this. Thanks.
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1971 GTO,72 400, stock bottom end, 670 heads, Lunati BMII cam, headers, iron intake Q-jet, four speed. Best 60 ft 1.806in 2004. Best 1/8th mile e.t. 8.46 with 3.55 open rear 85 Grand Prix, 70 400, casting 62 heads stock rebuild, Turbo 350 trans 78 800 cfm Q-jet modified as per Cliff Ruggles book. 87 F350 6.9 4 speed dually A poor man has poor ways. |
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#2
11-05-2002, 04:43 PM
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After 16 yrs of owning my 71 GTO I'm considering trying to get the factory tach to work. I've always ran aftermarket untill some bum stole my Autometer sport comp the other night. I'm thinking of just going to a shift light for the track and using the factory tach for daily useage. I've tried to locate wiring diagrams for the indash tach but have had no luck. Anybody have a solution or somewhere where I can go check this. Thanks.
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1971 GTO,72 400, stock bottom end, 670 heads, Lunati BMII cam, headers, iron intake Q-jet, four speed. Best 60 ft 1.806in 2004. Best 1/8th mile e.t. 8.46 with 3.55 open rear 85 Grand Prix, 70 400, casting 62 heads stock rebuild, Turbo 350 trans 78 800 cfm Q-jet modified as per Cliff Ruggles book. 87 F350 6.9 4 speed dually A poor man has poor ways. |
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#3
11-18-2002, 10:06 PM
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I have a "gif" of an AC Service Bulliten from Feb 1968, for the Tach used with the breakerless ignition system and I THINK that the right 1/4 of the schematic is the basic tach and the rest is just the amplifier circuit. If you want it, email me at gwelsh@cybertrails.com
Geoff |
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