V6 Discussion and questions about the base carbureted or MPFI V6's and the rare SFI Turbo V6.

90 fb v6.lifter or ?

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Old Mar 8, 2011 | 07:01 PM
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Bobby Suth's Avatar
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From: tn.
Car: 1990 firebird,1989 Iroc z,1986 fire
Engine: 3.1lt,5.7tpi,3.1mpfi
Transmission: auto,auto
Axle/Gears: 273?277
90 fb v6.lifter or ?

90 fb v6 ticking from passanger side 4 days ago.It stoped the next day,now today it sounds like marbles.the catch is it dosn't do it constant.it starts and stops.Plus it is louder sometimes than others.top side on passanger side.dosn't sound like it has a miss when it dose it either
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Old Mar 9, 2011 | 06:04 AM
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Re: 90 fb v6.lifter or ?

You can pull the valve cover & see if a rocker arm is loose. They are adjustable.
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