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My brother in law has had a serious failure with his car and asked to borrow the '79. I pulled the plug wire for the bad cylinder and let him take it. Any risk for him driving on 3 cylinders? He will be doing mostly city driving in the 35 mph range. The truck won't do more than about 50 anyway. I let him take it reluctantly becuase I'm concerned about him being able to power out of a bad situation. It will probably only be for a week or so, maybe 200 miles on the truck. I put a spark plug boot over the plug connection on the distributor cap. It smells like it's running rich becuase it's dumping #3's fuel out the tailpipe, but aside from poor gas mileage and a lack of power, is there any danger?

At 6' 6" he was a bit of a squeeze, but he sure looked cool pulling out in that truck...

Thanks!

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"If we did the things we are capable of, we would astound ourselves" - Thomas Edison

Yes the dist. cap will carbon track and get ruined, replace the plug wire and let it work even if it is short term.

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1978 pro street step/side 455Buick, 4sp,4.11s, 31/18.5s

Long term, the unburnt fuel will wash down the cylinder. I forget exactly what happens, but I know it's not a good idea for a long time.

If I leave the plug wire attached, it pops back through the carb to the point it's not driveable. Plus it spits fire when it backfires. I picked up the replacement engine today

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"If we did the things we are capable of, we would astound ourselves" - Thomas Edison