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06-18-2014, 09:56 AM
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#1 |
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Registered User
Join Date: Sep 2012
Location: Oregon
Posts: 3,303
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inline 6, TH350.....what gear ratio?
Anyone have a favorite rear ratio with an inliner and a Th350? I have been told 3:07/3:08 or 3:42s seem the best. I can get 3:73s all day long but those who have had the th350 say not freeway friendly on a road trip. Not planning on pulling , just cruising around and commuting.
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GOD BLESS AMERICA! |
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06-18-2014, 10:17 AM
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#2 |
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Registered User
 
Join Date: Mar 2013
Location: Southern Oregon
Posts: 10,384
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Re: inline 6, TH350.....what gear ratio?
What I6 you rodding this time? I wanna see some pics! A good ratio would be 3.42.1..course...all pending on what axle and what size tire your running. If your running a 29 inch or taller tire I wouldn't go taller then 3.42.1...I have 3.73.1 in my original 12 bolt axle...and the SM425 4 speed with granny first. Cruising is 50-55 at 2500 rpm...I'm gonna change that by adding a OD 5 speed.
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1966 Chevy C10 "Project Two Tone" http://67-72chevytrucks.com/vboard/s...d.php?t=596643 1964 GMC "Crustine" semi-build:http://67-72chevytrucks.com/vboard/s...d.php?t=665056 My youtube channel. Username "Military Chevy": https://www.youtube.com/channel/UC_h...fzpcUXyK_5-uiw |
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06-19-2014, 04:42 PM
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#3 |
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Registered User
Join Date: Sep 2012
Location: Oregon
Posts: 3,303
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Re: inline 6, TH350.....what gear ratio?
No one running a 250 inline with a TH350 that drives thier truck?
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GOD BLESS AMERICA! |
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06-19-2014, 05:19 PM
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#4 |
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State of Confusion!
 
Join Date: Jul 2002
Location: Gulfport, MS USA
Posts: 47,216
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Re: inline 6, TH350.....what gear ratio?
My daughter's 82 C10 had the 250, T350 & a 2.76 rear end. It would cruise at 70-75 all day, but you sure were not going to drag race anyone. If it is a cruiser and not a hot rod, I would go with a 3.07/3.08 (always forget which one is car and which is truck). I wish we still had her 82. It was a decent everyday truck,. You won't be getting much better gas mileage then a V8, but it is a nice rider.
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Bill 1970 Chevy Custom/10 LWB Fleetside 2010 Toyota Tacoma PreRunner SR5 Double Cab - DD Member of Louisiana Classic Truck Club (LCTC) Bill's Gallery Life isn't tied with a bow, but it's still a gift. Live simply. Love generously. Care deeply. Speak kindly. Leave the rest to God! |
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06-20-2014, 01:57 AM
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#5 |
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Registered User
Join Date: Sep 2012
Location: Oregon
Posts: 3,303
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Re: inline 6, TH350.....what gear ratio?
Thank you Bill
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