totg12 Posted September 4, 2005 Report Share Posted September 4, 2005 Hey I have a 82 coupe deville fleetwood with the ht 4100 engine (I know, the bad engine) any way I changed the plugs and I think I have the wrong gap on the plugs. because it starts sometimes and when it runs it blows black smoke that smells like fuel and it ran great before I changed the plugs. Help somebody!!!! and yes the engine sticker is gone. Link to comment Share on other sites More sharing options...
Scotty Posted September 4, 2005 Report Share Posted September 4, 2005 According to the Champion Spark Plugs web site the info is as follows: They show two choices for that year 1) V8 4.1L at .060 and 2) V6 4.1L at .080 They have different engines, a V6 4.1L 252 cid Carb engine VIN 4 and a V8 4.1L 250 cid FI N engine VIN 8 Good Luck, Mike Link to comment Share on other sites More sharing options...
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