2007 Chevy Silverado changing size of tires

Tiny
HOLE
  • MEMBER
  • 2007 CHEVROLET SILVERADO
  • V8
  • 4WD
  • AUTOMATIC
  • 21,000 MILES
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.
Thursday, September 11th, 2008 AT 1:31 PM

1 Reply

Tiny
DOCFIXIT
  • 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
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Thursday, September 11th, 2008 AT 1:59 PM

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