2007 Chevy Silverado changing size of tires

2007 CHEVROLET SILVERADO
21,000 MILES • V8 • 4WD • AUTOMATIC
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HOLE
  • MEMBER
  • 1 POST
My truck has the 4-8 cylinder engine and I want to know if I put on a bigger tires will it screw anything up? the tires will be 1.1" taller.
Sep 11, 2008 at 6:31 AM
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DOCFIXIT
  • ✓Experienced Mechanic
  • 18,828 POSTS
Yes it will screw up timming , fuel delivery speed control, cruse control etc. If you want bigger you must maintain the OEM circumfirance. Most tire shops can figure this out. Or find an enginer that can recofigure PCM
Sep 11, 2008 at 6:59 AM
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