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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Thanks guys! One more trip around the sun completed. Lots of blessings and things to be thankful for (like still being able to type this message!!) Here's to us "over 70 guys.." Glenn
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