Comparison among NASCAR Winston Cup and NASCAR Busch Series cars
Winston Cup
Busch

Body Styles

2001-#thisyear#

2001-#thisyear#

Weight

3400 lbs min

3300 lbs min

Tread Width

60.5

60.5

Engine

V8 only

V8 only

Tires

Goodyear

Goodyear

Wheelbase

110"

105"

Engine Compression

12:1 max

12:1 max



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