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AOD with 4.11's ? |
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lynchster 
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Joined: 07-January-2006 Location: Pennsylvania Status: Offline Points: 2012 |
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 Topic: AOD with 4.11's ?Posted: 04-May-2009 at 4:28PM |
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I'm trying to decide on a gear ratio for an engine / trans swap in my "other project" a 79 ranchero. I have a 4.11 posi that I once had in the 72 for a short bit. The math works out to a 2.75 final which seems decent to me. Any thoughts?
Chuck
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Chuck
72 Gran Torino Sport 08 Taurus (Maytag) 03 Dakota (Rusty) |
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PatsPOS
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Joined: 06-April-2004 Location: westcentral PA Status: Offline Points: 101 |
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Posted: 05-May-2009 at 1:32PM |
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Sounds like a good plan to me, especially if you're in the hilly half of the state. Even 4.30s would net you a 2.88 final drive ratio with the AOD.
Pat
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'75 460 Gran Torino Sport (14.04 @ 97 MPH)
'91 Crown Vic (18.09 @ 75 MPH) '89 300 F-150 (18.37 @ 73 MPH) |
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starsky76
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Joined: 28-March-2008 Location: vegas Status: Offline Points: 1385 |
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Posted: 05-May-2009 at 2:24PM |
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DO IT,DO IT!I concur.I did have the 4.30 aod setup in my stang,was a lot of fun and barked the tires on the 1-2 and 2-3 shifts,it was a blast!
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tod-hog
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Posted: 05-May-2009 at 2:29PM |
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Please enlighten the neophyte(s) as to the "math" formula so that we might learn and grow.
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starsky76
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Posted: 05-May-2009 at 2:33PM |
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An AOD overdrive ratio is .68,Times that by your gear ratio and that's your final gear ratio in od.You have been enlightened!
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occupant
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Joined: 23-October-2006 Location: Lawton, OK Status: Offline Points: 1973 |
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Posted: 05-May-2009 at 4:46PM |
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This is my favorite speed/rpm/tire size/axle ratio calculator.
http://www.angelfire.com/fl/procrastination/rear.html I can figure the speed the car will travel given a set of parameters at whatever engine speed. And I can mess with different ratios and such to find out what would get me the right engine speed on the highways around here. |
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08 Uplander LS, 262K, broken again
08 Explorer EB, 195K, for the wife still looking for another something |
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351BBGTS
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Joined: 30-December-2007 Location: Bryant, Arkansa Status: Offline Points: 250 |
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Posted: 05-May-2009 at 5:26PM |
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i tried that site and it never works for me. i always get NaN
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'73 Gran Torino Sport "H" Code
Out with the Cleveland, In with the Windsor Cleveland build in the near future |
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Regul8r
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Posted: 05-May-2009 at 8:13PM |
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I just did it and YAHOO I like it!
THANKS for the link!
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Carl Corey (Moderator/Event Coordinator) Contact ANYTIME!
1976 Ford Elite "Lola Mae" 97 Suzuki Intruder 1400 US Army Retired |
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TomiTomi
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Posted: 05-May-2009 at 11:55PM |
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351BBGTS
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Joined: 30-December-2007 Location: Bryant, Arkansa Status: Offline Points: 250 |
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Posted: 06-May-2009 at 4:04PM |
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Thanks tomi that second one helped alot
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'73 Gran Torino Sport "H" Code
Out with the Cleveland, In with the Windsor Cleveland build in the near future |
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occupant
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Joined: 23-October-2006 Location: Lawton, OK Status: Offline Points: 1973 |
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Posted: 07-May-2009 at 3:47PM |
You can't just hit Enter when you're done. You have to click the CALCULATE button or it just refreshes the screen. |
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08 Uplander LS, 262K, broken again
08 Explorer EB, 195K, for the wife still looking for another something |
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351BBGTS wrote: