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1991 Chevrolet MOTOR HOME 454CID Ex Manifolds Red Hot
Posted to GM Driveability on 2/5/2001

this is a small motor home used by the state troopers, came in with a piston galled. replaced with a long block (4 star). starts and runs fine no codes. after driving for about 2 miles at 70 mph the exhaust manifolds get glowing cherry red. cannot set timing b...

 
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car Vehicle Data

1991 Chevrolet MOTOR HOME

VIN 1GBKP37N6M
Engine454 / 8 cyl
DeliveryFI / TBI
EmissionsFEDERAL
SymptomsEx Manifolds Red Hot
OccursUnder Load, on Accel
Misc.Motor Home
Message Closed w/FIX

car Vehicle Data

1991 Chevrolet MOTOR HOME

VIN 1GBKP37N6M
Engine454 / 8 cyl
DeliveryFI / TBI
EmissionsFEDERAL
SymptomsEx Manifolds Red Hot
OccursUnder Load, on Accel
Misc.Motor Home