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1971 Chevrolet Truck Engine fire

Tiny
TOMTRUSSELL
  • MEMBER
  • 1971 CHEVROLET TRUCK
  • 5.8L
  • V8
  • 2WD
  • AUTOMATIC
  • 13,000 MILES
1971 350 V-8 During cold start, smoke came from hood. Carburetor area was on fire. Put out in less than 2 minutes. While cleaning area, I found a plug wire going to the distributor, which had a split in it. On the side of the cap was a burnt are which tells me this was the cause of the fire. The plug wire's are not very old ( about 3 yrs. Old). What could cause this? Sometimes on cold starts the engine would backfire. Your help would be greatly appreciated as I do not want this to happen again. The truck is garaged kept.
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Friday, October 23rd, 2015 AT 6:06 PM

1 Reply

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Tomuch fuel in carb plus a back fire could cause your problem. It may need to be rebuilt( carb) due to todays fuel with the alcohol. On a cold start see if choke plate is closing, just push gas pedal down and take off air cleaner and it should close if not then it's a choke problem like the spring is weak/broken choke leakage etc.
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Friday, October 23rd, 2015 AT 6:23 PM

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