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Chevy Owner
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61 Posts
Discussion Starter · #1 ·
ok i originally had 265-70-16 (stock tires) on my truck and now i have up graded to 305-75-16 Micky Thompson baja claws and i wanted to know if i would have to go and get my computer in my truck re tuned for my shift points sibce i got a bigger tire on my truck
 

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1,121 Posts
speedo reacalibrate is all u need
 

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Could be
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192 Posts
Since your tires are bigger, the place where your speedometer checks the speed will spin slower at xx MPH. So you will have to get it recalibrated so it will show your correct speed.
 

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GMFS Military Member
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10,899 Posts
BlackBear Tune

/thread
 

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GMFS Military Member
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10,899 Posts
ok is that like a programmer bc if i was gonna do that i was just gonna
get an EFI live tune for my truck
Blackbear is an EFI Live tune
 
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