Speedo off with 20's?

[95Escahoe]

Just had the new rims put on today there are Denali 20's stock tire size for the rims 275-55-20 stock rims were 16x7 245-75-16 how much will the speedo be off? Im not thinking alot

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[someotherguy]

At least it's easy to recal your speedo on the '95 (92-95 easy) - www.tbichips.com/drac

Easy work if you're decent with soldering.

Richard

 

[GMC Burbalade]

1.44" difference in diameter. Your speedometer will read 60 at 62.8 mph actual speed, or 30 at 31.4 mph.

Not a huge difference.