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04-14-2023, 08:16 AM
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#1 |
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Registered User
 
Join Date: Jul 2018
Location: Mooringsport LA.
Posts: 96
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Going to 19" wheels
Wanting to change to 19 inch wheels. Going with 19x12, 345/30/19 in the rear. Now need a tire match back in height, 19x8 wheel in front. Any info would nice. Thanks!
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04-14-2023, 08:35 AM
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#2 |
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Registered User
Join Date: Aug 2009
Location: Bowser
Posts: 13,741
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Re: Going to 19" wheels
Big tire!
Short and wide too! Didn’t know there was room for a 16inch wide tire on a step side. Did you measure carefully? |
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04-14-2023, 08:52 PM
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#3 |
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Registered User
Join Date: Jul 2018
Location: Mooringsport LA.
Posts: 96
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Re: Going to 19" wheels
It is tubbed! Just need to figure out which tire and back spacing on the front.
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04-17-2023, 09:01 AM
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#4 | |
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Registered User
Join Date: Apr 2001
Location: DALLAS,TX
Posts: 22,072
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Re: Going to 19" wheels
Quote:
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67SWB-B.B.RetroRod 64SWB-Recycle 89CCDually-Driver/Tow Truck 99CCSWB Driver All Fleetsides @rattlecankustoms in IG Building a small, high rpm engine with the perfect bore, stroke and rod ratio is very impressive. It's like a highly skilled Morrocan sword fighter with a Damascus Steel Scimitar..... Cubic inches is like Indiana Jones with a cheap pistol. |
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04-17-2023, 01:39 PM
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#5 |
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Registered User
 
Join Date: Jan 2011
Location: Chattanooga TN
Posts: 6,214
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Re: Going to 19" wheels
Tire size ÷ 25.4 = width in inches.
Multiply that number by the aspect ratio. 35 series for example = x .35. 40 series would be .40 That gives you your sidewall height in inches Multiply the sidewall height x2 (top of the tire, and bottom of the tire) Add your wheel diameter That's your total overall height. Try it. For example. 345/30r19 345÷25.4 = 13 58 in wide X .30 = sidewall is 4.07 in tall X2 +19 Overall = 27.14 Adjust as necessary to find your match. I like to put a slightly larger sidewall height on the rear than on the front.. it just looks more proportional in my opinion. It is one thing to have a big wide tire on the rear but if the sidewall on the rear tires is shorter than the front it will be pretty obvious. Also - if you have a 12" wheel in the rear, and an 8" wheel up front. I'd try to put a 4" narrower tire up front too. 245 is 9.64 wide. Prob what I'd go with. 245/40 has a 3.85 sidewall. 245/45 is 4.33. (Remember your rear sidewall is 4.07) 255/40 would be close too. 10.03 wide, 4.01" sidewall. Then of course your wheel diameter. 255/40r19 is 27.03 in overall 245/40r19 is 26.71 245/45r19 is 27.68 I am posting from my phone so I can't promise my math is right.. so double check me. And of course there will be slight variations in size by tire brand. But this will give you a general idea. Hope this helps.
__________________
Chad 1967 C10 SWB - Project Savannah - 6.0/4L80 *Currently underway* 1968 C10 SWB - TOTY 2018, 50th Anniversary Tribute Project * Sold * Pride and Joy 1986 Silverado Short Fleet - Scarlet *Sold* 1985 Silverado Short Fleet *Sold* 2022 Jeep Gladiator Mojave 2001 Jeep Cherokee XJ 4x4 - Lifted, Built 1992 Jeep Cherokee XJ 4x4 - Lifted 2013 Honda Accord EX-L v6 Coupe 6spd (wife's ride) |
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04-17-2023, 11:08 PM
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#6 |
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Registered User
Join Date: Jul 2018
Location: Mooringsport LA.
Posts: 96
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Re: Going to 19" wheels
Thanks!
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