5&6 cyl. low compression
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Car: 1986 Firebird
Engine: 3.4 outa 95' bird
Transmission: T5
Axle/Gears: 3.42 open rear
5&6 cyl. low compression
so i have found that my miss is actually cyl. 5 & 6 having low compression(100-105) while all others are at 150-160, the vaccum guage jumps between 16-18 ish inches, valve problem maybe? maybe the timing chain jumped a tooth? any suggestions or comments would be a great help, oh and its a 1995 3.4 from a 95 bird, 57,000 ish miles
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