I have a 1991 Chevy S10 4.3L, and it calls for 14" rims. Will going to 15" rims...

T

Thomas Diaz

New member
...hurt my pickup? I have a 1991 Chevy S10 4.3L, and it calls for 14" rims. Will going to 15" rims hurt my pickup? I've heard if I did change the rims to 15" it would throw my engine off, speedometer off, and cause my gas mileage to worsen.
 
An extra inch bigger wont hurt much of anything. All it means is the truck will work slightly harder to accelerate, and when it gets to cruising speed, it will actually do better on gas. And yeah it will throw your speedometer off so you might wanna eithertake it in and have it recalibrated, or go the easier route and get a $99 GPS. It will display your speed based on satellite signals and are very accurate.
 
It wont change a thing as long as you use the same size tires as you did the 14's. for instance if it was a 215/45/14 you should stay at a 215/45 so that u avoid the complications. wont change anything with the engine or the gas milage in this case. If you were to get bigger tires that's a different story for the gas milage that is. none of this should effect the motor once-o-ever.
 
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