0.035 inches for CR43TS or R43TS AC Delco spark plugs
The spark plug gap for the 2.3 litre 88 ranger is .035. This information can be found on the decal inside the engine compartment.
0.038 - 0.043
SPARK PLUG GAP1988 Acura Legend 2.7L FI SOHC 6cylThe Spark Plug Gap.044 (In thousandths of an inch) Caution! Gap is not adjustable on certain plug brands
.044
the gap for a Harley plug on a 88c.i. is 30
.035
all 88's are .041 gap no more no less!!!!!
.88
88 - 95 = .035 96 - 98 = .060
.060 thounsands
Listed under the hood on a placard.
.054 inch ( according to fordparts.com )