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04-26-2002, 08:38 PM
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#1 |
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Registered User
Join Date: Nov 2000
Location: Greenville, Oh USA
Posts: 166
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Need Tire Height Advice
I enjoy taking my truck to the strip just to see what kind of times it will run and if a half-a??ed mechanic such as myself can make it run better. I keep hearing from other guys at the stip that I need "taller tires" to help improve my times. My tires need replaced and they are 29-1/2" tall. The ones I am looking at are 31-1/2" tall. I have a 4.10 rearend so pretty much run out of rpm. IS TALLER BETTER???
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04-26-2002, 08:45 PM
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#2 |
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Registered User
Join Date: Jan 2002
Location: Slippery Rock PA USA
Posts: 1,692
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if you are running out of rpm's then yes taller tires will make your truck act like it has 3:73's and give you more rrrr's at the end of the track
------------------ 70 short step from vegas woo hoo !!!Ken Lyons Slippery Rock PA yahoo messenger:mooneyes4b "things always look different from higher up" Clint Eastwood (fist full of dollars)
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Ken Lyons, Slippery rock pa 68 short step 327 t10 4 gear 72 2wd blazer project 70 lwb 305/700r driver 78 caprice project 02 cavalier D.D ( hate it!!) |
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04-26-2002, 09:35 PM
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#3 |
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its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,690
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Your 60 foot times would drop...but like he said, if you max out before the lights, you have too much gear and need to do something. Taller tires are the cheapest way to go on this. 3.73 gears would be best most likely.
------------------ '69 G.M.C. 350/350. Trying to clean up the left over damage from the Dope-Smokin-Old-Man I've been dubbed the Longhorn Freak/Fanatic/Expert, I just hope I can live up to it. FINALLY got the HORNIAC...a '70 one ton Longhorn with a Pontiac 350/350 and lots of 'personality'. Check out The Longhorn Webite. If you need a pic posted, E-mail me at longhornmail@yahoo.com Andy, in Columbus Ohio |
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04-29-2002, 02:54 PM
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#4 |
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Registered User
Join Date: Mar 2001
Location: indianapolis,indiana,usa
Posts: 506
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i want to get in on this tire conversation. i currently have 275/60.15 hoosiers and i am thinking of using bfs 285 70 15. has anyone used this size how will it look? how will it affect my rpm. i currently run 2900 to 3000 at 55 mph.
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04-29-2002, 02:54 PM
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#5 |
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Registered User
Join Date: Mar 2001
Location: indianapolis,indiana,usa
Posts: 506
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i want to get in on this tire conversation. i currently have 275/60.15 hoosiers and i am thinking of using bfs 285 70 15. has anyone used this size how will it look? how will it affect my rpm. i currently run 2900 to 3000 at 55 mph.
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04-29-2002, 03:10 PM
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#6 |
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Psycho-billy Member
Join Date: Jul 2001
Location: about 40 miles west of Cleveland, Ohio
Posts: 2,591
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Mitch.....I can't tell you how they will look but those are the tires that I plan to go with in the rear and the 255/70SR15 up front.
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'72 C-10 350 w/Lunati Voodoo cam (207*/213*, .437/.454), Performer intake, 625 Road Demon Jr. and Hooker headers. Support your community, support yourself. Buy local, buy American  (or Canadian).
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04-29-2002, 03:50 PM
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#7 |
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Registered User
Join Date: Jul 2001
Location: North Louisiana
Posts: 4,501
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Longhornmail is right, your 60 ft times will drop if you have no traction problems, but a taller tire with a larger footprint could actually improve traction off the line, improving 60 ft. times, if you are having traction problems. Just a thought, but I would think that if you are running out of your torque range, the taller tires would be the way to go.
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Wynne 70 CST short fleet Hugger orange & white, 350/350, ps, pb, air, tilt, tach/vac/speedwarning, original buckets, AM/FM, oak bed floor, shoulder belts, 3.5"/5.5" drop, 20" American Racing VN425s. Build thread 53 Chevy shortbed 69 Camaro Click here to subscribe Chevy GMC International Truck Club Louisiana Charter Member http://www.louisianaclassictruckclub.com |
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04-29-2002, 07:27 PM
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#8 |
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Senior Member
Join Date: Dec 2001
Location: Redding,CA...USA
Posts: 4,736
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what rpm's are you going through the traps at?..what is your ET. if your running out of engine, 5000 rpm, in the 1/4 in high gear you must be screamin......
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It's called "drag racing" if they called it "tic..tic..WHAM!..BANG! F*&K!!!", they'd have to keep the magazines under the counter with the other men's publications click the clicky to join the site.... http://67-72chevytrucks.com/vboard/payments.php 67 lwb..first hotrod in 25 years..540 best ET is 9.45 @ 141.44 Anderson,CA |
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04-29-2002, 07:47 PM
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#9 |
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Registered User
Join Date: May 2000
Location: Frankfort, Kentucky, USA
Posts: 2,163
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I'm puttin a pretty strong motor in my truck. I'm trying to find the widest and tallest tire to maximize traction off the line. I figure the most diameter you get get, the more rubber you have to push you forward with each rotation. I have a 4.10 rear gear and a 700R4. So the tall tire should help get traction with all that gear and the should bring the RPM's down at speed.
------------------ '69 CST Short fleetside Lowered, 400 small block, 700R4, 3" dual exhaust, 40 series Flowmasters, 4 wheel disc brakes, all stainless hard and flex lines, front & rear sway bars, Dana 9 1/4" rear end 4.11's w/Detroit Locker, soon to have 18" rims Not my daily driver. More like my weekend A$$ KICKER. See my truck at: http://www.geocities.com/low69cst/ Future Automotive Engineer attending the University of Kentucky. Feel free to message me on AOL, SN- SS95ZQ8 My Dad's projects: 72 Short Fleet 4x4 Chyenne Super 72 Long Fleet 4x4 Chyenne Super Both 350 autos restored original
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'69 CST Short fleetside Lowered, 400 small block, 700R4, 4 wheel disc brakes, front sway bar & rear camaro sway bar (in progress) '87 V10 4x4 Short Fleetside Quad Suspension and Dual Tanks |
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