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04-14-2011, 04:52 PM
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#1 |
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Registered User
Join Date: Jul 2010
Location: Bancroft, ontario
Posts: 555
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overdrive question
so i got a wc t5 with a .63 overdrive.does anyone know what the difference between the.63 and the .73 overdrive?i'm runnin a 283 with 373's.i tried posting in drivetrain forum but couldn't get a response.i'm just trying to understand what difference it would make.thanks for any help.dan
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04-14-2011, 05:14 PM
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#2 |
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1965 Chevy C10, 2005 4.8L/4l60
 
Join Date: Aug 2004
Location: DFW Texas
Posts: 8,546
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Re: overdrive question
.10
I am sorry, I just had to.
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Clyde65 Rebuild of Clyde http://67-72chevytrucks.com/vboard/s...84#post8338184 69 Aristocrat Lo Liner build http://67-72chevytrucks.com/vboard/s...84#post7561684  support our troops! |
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04-14-2011, 05:17 PM
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#3 |
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Registered User
Join Date: Jul 2010
Location: Bancroft, ontario
Posts: 555
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Re: overdrive question
thats cool,i new it was coming!
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04-14-2011, 05:18 PM
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#4 | |
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Who Me?
Join Date: Sep 2010
Location: Royal Palm Beach, FL
Posts: 4,067
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Re: overdrive question
Quote:
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 Steve1997 Tahoe LT 4D 2WD (DD) 2001 Blazer 4D 2WD 1961 Apache 10 (sold) 1965 C10 Stepper (sold) |
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04-14-2011, 05:33 PM
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#5 |
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1965 Chevy C10, 2005 4.8L/4l60
Join Date: Aug 2004
Location: DFW Texas
Posts: 8,546
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Re: overdrive question
I know, I apologize and bless all the Pygmies in New Guinea
__________________
Clyde65 Rebuild of Clyde http://67-72chevytrucks.com/vboard/s...84#post8338184 69 Aristocrat Lo Liner build http://67-72chevytrucks.com/vboard/s...84#post7561684 support our troops! |
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04-14-2011, 05:40 PM
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#6 | |
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"Where were you in '62?"
Join Date: Jul 2004
Location: Cleveland County, North Cackalacky
Posts: 5,013
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Re: overdrive question
Quote:
http://www.ttcautomotive.com/English/products/T-5.asp http://www.adchevy.com/techtips/t5swap/ http://www.theoldcarguys.com/Borg-Warner-T-5-Specs.html Don't know much about the T5's other than in mustangs. Someone has used this In thier truck on here I think. Posted via Mobile Device
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PROJECT: "FULL METAL YELLOW JACKET" 1962 Chevy C-10 Stepside Shortbed Nostalgia Pro/Street Pickup Truck PROJECT: "FULL METAL YELLOW JACKET Build Thread What Are You Workin' On? - 1Bad62ChevyPickup PROJECT: "TYRANNORAMBLER REX" 1969 AMC Rambler American Nostalgia Pro/Street Youtube Channel: Father Son Projects Youtube Channel: 2TIMOTHY2FITHTEEN  "North and South Carolina Folks Click Here!" (((( ~ I have Parts For Sale & Miscellaneous Stuff ~ )))) "Well being as there's no other place around the place, I reckon this must be the place, I reckon...Nyuk Nyuk Nyuk" -Curly Howard Ph.D. Last edited by 1Bad62Pro/Street; 04-14-2011 at 05:42 PM. |
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04-14-2011, 05:49 PM
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#7 | |
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"Where were you in '62?"
Join Date: Jul 2004
Location: Cleveland County, North Cackalacky
Posts: 5,013
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Re: overdrive question
Quote:
 Posted via Mobile Device
__________________
PROJECT: "FULL METAL YELLOW JACKET" 1962 Chevy C-10 Stepside Shortbed Nostalgia Pro/Street Pickup Truck PROJECT: "FULL METAL YELLOW JACKET Build Thread What Are You Workin' On? - 1Bad62ChevyPickup PROJECT: "TYRANNORAMBLER REX" 1969 AMC Rambler American Nostalgia Pro/Street Youtube Channel: Father Son Projects Youtube Channel: 2TIMOTHY2FITHTEEN "North and South Carolina Folks Click Here!" (((( ~ I have Parts For Sale & Miscellaneous Stuff ~ )))) "Well being as there's no other place around the place, I reckon this must be the place, I reckon...Nyuk Nyuk Nyuk" -Curly Howard Ph.D. |
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04-14-2011, 08:32 PM
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#8 |
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Registered User
Join Date: Jul 2010
Location: Bancroft, ontario
Posts: 555
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Re: overdrive question
i think the answer really is .10 lol.im thinkin there's not a whole lot of difference on the highway!thanks anyway guys.
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04-14-2011, 10:04 PM
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#9 |
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Senior Member
Join Date: Oct 2009
Location: Godley, TX
Posts: 17,975
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Re: overdrive question
that's hilarious.... but seriously, (ok, not seriously, but slightly more seriously) what difference are you talkin bout? RPM drop when comparing .73 to .63? What was your prev trans - am guessing it didn't have a .73 o/d, I don't think i've ever heard that ratio for an o/d - if you had any old pg, th350/400 or 3 or 4 speed - final drive was likely 1:1. But sounds like your question is about comparing .73 to .63 overdrives - so here's a bit of useful trivia:
Don't know your tire size - but assuming you have ABOUT 27" tall tires (and with the 3.73's): at 55 mph: 1.00 final drive = 2550 rpm .63 o/d = 1610 rpm .73 o/d = 1865 rpm at 70 mph: 1.00 final drive = 3250 rpm .63 o/d = 2050 rpm .73 o/d = 2370 rpm Hope that helps. If your tires are taller/shorter - then decrease/increase the rpms a bit. Last edited by jocko; 04-14-2011 at 10:08 PM. Reason: oops - I meant to say useless trivia. ref for the above is from bottom of http://www.csgnetwork.com/multirpmcalc.html |
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04-14-2011, 10:59 PM
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#10 |
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Registered User
Join Date: Jul 2010
Location: Bancroft, ontario
Posts: 555
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Re: overdrive question
thanks jocko,that is exactly what i wanted to know.i guess i just didn't word it right.didn't mean to piss you off!
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04-14-2011, 11:26 PM
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#11 |
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Registered User
Join Date: Jun 2010
Location: Lafayette , La
Posts: 404
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Re: overdrive question
__________________
1966 Chevy C10 Stepside 355ci sbc with 3speed OD 2021 GMC Sierra 1500 AT4 6.2 1980 Chevy Camaro z28 383ci 1990 Chevy Suburban 350 tbi 2x4 (sold) 1984 Chevy C10 sliverado short fleet 1997 Chevy C1500 short fleet |
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