Thread: need tires
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12-22-2003 10:29 PM #1
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need tires
Im planning on replacing the 255/60/15s on my lowered 75 Chevy stepside.
I was thinking about 275/60/15s , there a 28" tall tire compared to my 255s wich are 27" tall.
The truck has 4.11 gear, its to damn steep with this size tire. I see now that Hoosier has a pro Street radial thats 29" tall & 10" wide tread. with 29" tall I dont think Id have to get rid of the 4.11s.
BFG Comp TA Drag Radials come in a simialer size to. Im conserned about how theyd wear. Im sure theyd hook better than the Hoosier Pro Streets.
Its not a daily driver...more a weekend play toy, but I need traction to with the 454. But if I wanted to head to Springfield MO for CarCraft, I want a tire thatll last.
The hoosiers are about 220.00 compared to the Drag Radials @ about 150.00 any opinions ?75 GMC C-15 factory 454, automatic, lowered
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12-22-2003 11:32 PM #2
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Strrets,actually the truck was originally 3.42s, speedo is way off now...taller tires should put me closer to stock75 GMC C-15 factory 454, automatic, lowered
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12-23-2003 12:00 AM #3
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streets...heres a cool site for ratio calculations.
www.dmltire.com75 GMC C-15 factory 454, automatic, lowered
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12-23-2003 12:15 AM #4
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hmm just type DML tire in search engine...see what you get its a cool site75 GMC C-15 factory 454, automatic, lowered
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12-23-2003 09:38 AM #5
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Going from a 27 to a 29 inch tire will give you a 3.8 ratio,Still pretty high for the street.
DonDon Meyer, PhD-Mech Engr(48 GMC Trk/chopped/cab extended/caddy fins & a GM converted Rolls Royce Silver Shadow).
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12-23-2003 09:50 AM #6
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Don, should knock about 2 hundred RPM off on the hiway... & its gettin close to the 3.73s I was thinkin about using anyway. Im still torn75 GMC C-15 factory 454, automatic, lowered
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12-23-2003 08:38 PM #7
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I am running a 3.9 rear in my Rolls because it is a heavy car w/a low HP chev crate motor. To get the rpm's dn I used a 700r4 trans. The final ratio in overdrive is 2.7.
Yours would be approx 3.0 w/the 27" tires & a 4.11 punkin.
DonDon Meyer, PhD-Mech Engr(48 GMC Trk/chopped/cab extended/caddy fins & a GM converted Rolls Royce Silver Shadow).
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12-23-2003 08:48 PM #8
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yep, that be nice...although a stock 700R4 would never last behind my 454..It would have to be built...a better option for me would be a 460LE75 GMC C-15 factory 454, automatic, lowered
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