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Author
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Topic: Street Gears?
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stinger
Gearhead Posts: 112
From: mn
Registered: Feb 2003
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posted 03-22-2003 05:28 PM
   
When I bought my 66 stang recently, it has a nine inch rearend with 4.11 detriot locker in it. I believe that is too much for a street car or so Ive been told. If this is true, I would like too sell these and switch too something else, but I am not sure what I should switch too. Any advice?
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mustangboy
Gearhead Posts: 520
From: Ont, Canada
Registered: Mar 2002
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posted 03-22-2003 05:38 PM
It depends on how much highway driving you do.The 4.11s are great around town but get tiresome on the highway really fast.If you use a 5 speed trans with overdrive you can probably live with the gears.If not probably something in the 3.50 range is a good all around gear.Will the car ever see the track and is performance important to you?If its just a daily driver and your looking for mileage something in the 2.75-3.00 range might be better.------------------
1968 mustang j-code sprint.13.69@101 306cu.in, stock ported heads,weiand exellerator,650 holley DP,hedman hedders,comp 292 Magnum cam,4-speed,8 inch 4.11 detroit locker http://mustangsandmore.50megs.com/MembersPics/mustangboy.html
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stinger
Gearhead Posts: 112
From: mn
Registered: Feb 2003
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posted 03-22-2003 07:07 PM
It doesnt see much highway use and I dont care about mileage. I am using a c4 as my trannie. Ive thought about the t5 swap, but my wife wants a auto. Yes, my wife will drive the car, rarely, but she helps pay the bills so its hers as much as mine.
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Fastymz
Moderator Posts: 9095
From: Reno Nv USA MEM#1240
Registered: Apr 2001
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posted 03-22-2003 07:19 PM
how tall are your rear tires ?------------------
SCOOP
oddly obsessed with big scoops on little Mustangs 2.26 60'S
14.9 @ 90.86MPH 65 coupe,351w,C4,Big Boss 429 hood scoop,8"3.40 TracLoc,Cragar SS,Black Suede. https://mustangsandmore.com/ubb/Fastymz.html
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stinger
Gearhead Posts: 112
From: mn
Registered: Feb 2003
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posted 03-22-2003 07:41 PM
bf goodrich radial t/a's 295/50/15
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Fastymz
Moderator Posts: 9095
From: Reno Nv USA MEM#1240
Registered: Apr 2001
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posted 03-22-2003 07:52 PM
Thats about a 27 tall tire.You could keep the 4.11's if you went to a 29-30 tire.And have 3300 rpm at 65mph.You'd still have the leavage of the gears.Check out this site. http://www.prestage.com/carmath/calc_gears.asp
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SCOOP
oddly obsessed with big scoops on little Mustangs
2.26 60'S
14.9 @ 90.86MPH 65 coupe,351w,C4,Big Boss 429 hood scoop,8"3.40 TracLoc,Cragar SS,Black Suede. https://mustangsandmore.com/ubb/Fastymz.html
[This message has been edited by Fastymz (edited 03-22-2003).]
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stinger
Gearhead Posts: 112
From: mn
Registered: Feb 2003
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posted 03-22-2003 08:07 PM
what gear should I go too if I keep those tires. there brand new so i dont want too switch yet. plus i have another set of new tires and rims in my garage that I am not using already.
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Fastymz
Moderator Posts: 9095
From: Reno Nv USA MEM#1240
Registered: Apr 2001
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posted 03-22-2003 08:13 PM
A 3.55 gear would put you at about 3150rpm @ 65mph.
I was just trying to keep you from having the expensive of changing gears.  ------------------
SCOOP
oddly obsessed with big scoops on little Mustangs 2.26 60'S
14.9 @ 90.86MPH 65 coupe,351w,C4,Big Boss 429 hood scoop,8"3.40 TracLoc,Cragar SS,Black Suede. https://mustangsandmore.com/ubb/Fastymz.html
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stinger
Gearhead Posts: 112
From: mn
Registered: Feb 2003
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posted 03-22-2003 08:35 PM
I would probally sell the whole third member and get diffrent ones. Mine were done by currie enterprises.
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68F100
Gearhead Posts: 1970
From: Fort Madison, Iowa USA - United We Stand
Registered: Oct 99
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posted 03-23-2003 02:47 AM
Save the money for the gear change and spend it on gas. You'll have more fun.
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