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1989 Chevrolet wcm31rq 454CID OverheatingEshaust m
Posted to GM Driveability on 10/6/2004 6 Replies

Disasssemble engine for lack of performance and excessive blow-by.

Replaced piston 5,7,& 6 because of missing ring landings.

Honed all cylinders and replaced all rings.

Heads and valves re-worked with new guides.

Repalced rod bearings and oil pump as preca...

6 Replies Received (View Replies)

 
Message Closed w/FIX

car Vehicle Data

1989 Chevrolet wcm31rq

VIN 1GBKP37W0J
Engine454 / 8 cyl
DeliveryCARB / Rochester Quadrajet 4 bbl.
EmissionsCa Emissions
SymptomsOverheatingeshaust M
OccursUnder Load
Misc.Winnebago Motorhome
Message Closed w/FIX

car Vehicle Data

1989 Chevrolet wcm31rq

VIN 1GBKP37W0J
Engine454 / 8 cyl
DeliveryCARB / Rochester Quadrajet 4 bbl.
EmissionsCa Emissions
SymptomsOverheatingeshaust M
OccursUnder Load
Misc.Winnebago Motorhome