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03-18-2012, 01:22 AM
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#1 |
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Registered User
Join Date: Sep 2010
Location: Saskatoon, SK
Posts: 244
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Chart concerning tires and rpm?
I'm wondering what gears i want to put in my one tons. Planning on putting lockers front and back. Tranny is a th350 with a np205. I know there is a chart somewhere but i can't find it. Thanks
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http://67-72chevytrucks.com/vboard/s...d.php?t=429098 |
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03-18-2012, 04:57 AM
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#2 |
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Registered User
Join Date: Dec 2009
Location: Fairbanks, AK
Posts: 1,830
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Re: Chart concerning tires and rpm?
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-Marcus 1991 V3500 L29 454 4L80E NP205 D60/14 Bolt 4.56's 1984 K30 292 TH400 NP205 D60/14 Bolt 4.56's flat bed 7'6" Meyer Plow 2022 Silverado 3500 L8T Project Daily Driver Project Heavy Hauler Project Plow Truck |
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03-18-2012, 10:11 AM
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#3 |
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Registered User
Join Date: Apr 2011
Location: Omaha NE
Posts: 63
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Re: Chart concerning tires and rpm?
pittbull tire has rpm, mph, tire size, plus more charts
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03-18-2012, 01:34 PM
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#4 |
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Registered User
Join Date: Sep 2010
Location: Saskatoon, SK
Posts: 244
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Re: Chart concerning tires and rpm?
Months ago someone posted a link that all you had to do was select your tranny. engine size and tire size and it was a chart of where your rpm's would be at so you can figure out the gear ratio you'd want
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http://67-72chevytrucks.com/vboard/s...d.php?t=429098 |
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03-18-2012, 05:17 PM
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#5 |
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Registered User
Join Date: Dec 2009
Location: Fairbanks, AK
Posts: 1,830
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Re: Chart concerning tires and rpm?
If you have a TH350 it is a direct drive in 3rd gear. Use the calculator on the randy's R&P page and you can see what rpm you'll be at in what gear. If it has a lockup TC, the rpm's will be in the "manual" window. If non-lockup it will be the same as the "auto" window. Not much difference either way. Sorry I haven't seen the chart you reference. A lot of gear selection has to do with how you will use the rig...
Posted via Mobile Device
__________________
-Marcus 1991 V3500 L29 454 4L80E NP205 D60/14 Bolt 4.56's 1984 K30 292 TH400 NP205 D60/14 Bolt 4.56's flat bed 7'6" Meyer Plow 2022 Silverado 3500 L8T Project Daily Driver Project Heavy Hauler Project Plow Truck |
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03-19-2012, 01:45 AM
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#6 |
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Registered User
Join Date: Sep 2010
Location: Saskatoon, SK
Posts: 244
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Re: Chart concerning tires and rpm?
Looks like i'll be going with 4:88s
it seems with the 39.5" tire at 70mph(110kmh) puts me at just under 3k And the truck doesn't see highway. for very long anyways.
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http://67-72chevytrucks.com/vboard/s...d.php?t=429098 |
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04-12-2012, 12:56 AM
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#7 |
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Registered User
Join Date: Aug 2010
Location: Lost Wages, NV
Posts: 201
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Re: Chart concerning tires and rpm?
Everything you could possibly want to know is here.
http://www.grimmjeeper.com/gears.html
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1968 K10/30 Frame Off Project "Overkill" My 5 year, $30,000.00 toy |
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