4th gen tach gone crazy????
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Joined: Aug 2001
Posts: 483
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From: Dallas, Tx
Car: 88 Trans Am
Engine: lt1 intaked 355 makin 277 on 25 psi of fuel pressure and stock timing :)
Transmission: A4 stock... that moved a mobile dyno a foot shifting into 2nd :)
4th gen tach gone crazy????
any one else have a tach movine very easily, jumpy? think its a bad cluster or? please help asap
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Joined: Mar 2000
Posts: 2,028
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From: St. Louis, MO
Car: 85' Firebird (Project), 92' RS
Engine: 2.8L, LS1
Transmission: 700R4, 4L60E
Axle/Gears: 3.42 Open , 10 Bolt (ukn)
did u just install it, or do you have the conversion setup done? curious because i think you need to get the dakator digital box to get the tach working right.mine jumps, switched to different cluster (for different reason) and it jumps, have a feeling they're all going to jump and be inaccurate until i get a converter box, probably the same for you.
Thread Starter
Member
Joined: Aug 2001
Posts: 483
Likes: 0
From: Dallas, Tx
Car: 88 Trans Am
Engine: lt1 intaked 355 makin 277 on 25 psi of fuel pressure and stock timing :)
Transmission: A4 stock... that moved a mobile dyno a foot shifting into 2nd :)
i think the signal comes from the ecm on the 4th gen.... and its filtered..... so i will see what i can get done
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