I just did the tire calculator on Discount Tire site and the difference is:
Overall Dia:
20" => 31.91
17" => 31.61
Speed:
20" => 65 mph
17" => 64.39 mph
The 20" is the 275/55/20
and the 17" is the 265/70/17
The reason the '05 went to the 17" spare is they decided to do a bigger brake option JF7, 17" brakes.
Hope this helps
thats cause chevy spends ther $ to build the best truck, not the best spare wheelsOriginally posted by SLICK79@Dec 20 2005, 06:25 AM
.I know the dodge rams come with em, chevy needs to step up.btw, dodge should come with spare trannys and break pads ! :flipoff:
07 SILVERADO CLASSIC 2500 HD 4x4 CREW CAB LT3 DURAMAX LBZ/ALLISON 6 SPEED 5'' MBRP Turbo back exhaust 6'' TIP /NO CAT- NO MUFF/ AFE Intake/ EDGE HOT JUICE /MERCHANT AUTO STG III Built Allison/P I ConverterTTS Twin Lift Pumps. Tierod sleeves/Cognito braces.17x9 Moto metals_______ Old Truck ,04 Z-71/Turbocharged,/cam/stall/Zippy Built TRANS/Nelson Tuned------
i have a set of american racing 20's ill sell for 500 bucks. just rims though no tires
04 4.8 FIPK, Pacesetter long tubes, dual exhaust with x-pipe and Dynomax race bullits, gutted cats, 160 therm, hypercrap programmer
Future mods-p/p thottle body, 02 z06 cam, within the mth. 4:11 g80 soon after......just tryin to blow my tranny
IM NOT SURE BUT WHAT BOLT PATTERN interchanges with chevy, i think toyota but maybe a steel dodge 20 will fit or get one any way and and have an adaptor made to get you goin in an emergency..?
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