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1991 GMC syclone 4.3L Ignition
Posted to GM Engine on 12/23/2005 4 Replies

missfire question is lower intake gasket has full open spacefor ports 2/4 and 3/5 and small open gap between head and manifold both sets of replacement gaskets have this design i think this is wrong anyone delt with this?

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Message Closed w/Summary

car Vehicle Data

1991 GMC syclone

VIN 1GDCT14Z7M
Engine4.3 L / 6 cyl
DeliveryFI
AffectedIgnition
ConditionsMissfire Idle
Misc.Turbo Charged
Message Closed w/Summary

car Vehicle Data

1991 GMC syclone

VIN 1GDCT14Z7M
Engine4.3 L / 6 cyl
DeliveryFI
AffectedIgnition
ConditionsMissfire Idle
Misc.Turbo Charged