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mgbrv8
11-12-2015, 01:05 AM
What size bolt does a 91 L98 tune port have on its harmonic balancer??


Dave
WVZR-1
11-12-2015, 07:28 PM
What size bolt does a 91 L98 tune port have on its harmonic balancer??


Dave

The crankshaft is tapped 7/16-20 and the bolt is 2.25 likely. I assumed you meant the through bolt and NOT pulley to balancer.