Tachometer Question
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From: Pittsburgh, PA
Car: 1984 Camaro
Engine: 350, 4bbl
Transmission: 700R4
Axle/Gears: GM, 3.23 posi
Tachometer Question
In regards to early 80's instrument clusters (84 in particular):
Will the tach from a V6 car read correctly in a V8 car? Is there a dip switch to change from V6 to V8 mode? Or does a V8 need a different tach from a V6?
If they use different tachs, how can you tell the tachs apart?
Will the tach from a V6 car read correctly in a V8 car? Is there a dip switch to change from V6 to V8 mode? Or does a V8 need a different tach from a V6?
If they use different tachs, how can you tell the tachs apart?
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Joined: Mar 2004
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From: Houston, Tx
Car: 91 camaro rs
Engine: 350tpi
Transmission: 700r4
v6 has 6000 rpm redline, some v8s have 5500, most v8s have 5000 rpm redline. Sorry no dip switch to set and the driver boards are different. HTH
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From: Massillon, Ohio
Car: 87 TA
Engine: 350
Transmission: 700r4
Axle/Gears: 2.73
V6 to V8 tach
The resistor in a V6 tach is different than the resistor in a V8 tach. So a V6 tach cannot be used with a V8 engine. Now my question is, what ohm resistor can I put in my V6 tach to make it compatible with a V8 engine?
, I know it's been gone over before. 
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