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Have a chance to get some Prostars w/ 28x10 MT ET streets, but the wheels are 15x8s. So that will throw off my speedo right? :(
Scott
Scott
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Probably so, depending on your tire/wheel combination. Here's an excellent calculator:
http://www.venommotorsports.com/howt...ldiameters.htm
If you have any trouble figuring it out, let me know.<b>1998 Firebird 3800 Series II, A4</b><br />Direct-Flo Lid,K&N Filter,DEE TB Spacer,TPS-TEC,ZZP Mini-AFC,Raised and Cutout Airbox 7mm,BMR STB & Boxed LCAs,KYB AGX Shocks,Drilled/Slotted Rotors,180* Thermo,2.5\" Catco Cat,Dynomax 2.75\" custom catback,Kumho Ecstas/245,Jet Stage 2,3.42,Edge Racing 2870 Stall,B&M Tranny Cooler,B&M Deep Tranny Pan,LSD,AAM Girdle,1LE DS,NX Wet Kit,MSD DIS-4,MSD Blaster Coil Packs,Taylor Spiro Pro 8mm Wires,NGK TR6\'S gapped .045,ZZP UD WP Pulley,SLP Fan Switch,TT II\'s<br />N/A: 15.6342 @ 88.44 (On stock converter. Strugglin\' to beat it.)<br />Nitrous 50 Shot: 14.7463 @ 93.49 -
28inch tire is taller then stock 25-26inch tire. You'll be going faster then what the speedo says.Comment
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