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4.11 gears?

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1961 Futura
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4.11 gears?

Post #1 by 1961 Futura » Sun Jul 17, 2011 2:05 pm

Anyone happen to know if 4.11s were an option in '60-'62? I don't seem to be having a lot of luck finding a 4-lug Maverick axle, so...

Thanks,

Dave

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oldgrezmonke
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Re: 4.11 gears?

Post #2 by oldgrezmonke » Sun Jul 17, 2011 3:04 pm

The largest number shown in my manual is 4.00-1 . That would probably only have been found in the Ranchero or maybe the wagon . You probably wouldn't have found that low a gear in a Maverick not even the 4.00-1 .
First car - 1961 Falcon Deluxe 4door , had 1968-73
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Gene Fiore
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Re: 4.11 gears?

Post #3 by Gene Fiore » Tue Jul 19, 2011 11:32 am

2.79 and 3.00 were the only factory options in any Maverick rear end from the factory.
1971 Maverick, 250I6, crank knife-edged, Clay Smith 278 solid cam, .040 over 255 V8 pistons, 10.5 to 1, Custom 500 Holley 2V on Classic Inlines Aluminum cylinder head, 1.6 rockers, Hooker header, DUI dizzy, C-4 w/2800 stall, 8" 3.55 det locker

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1961 Futura
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Re: 4.11 gears?

Post #4 by 1961 Futura » Tue Jul 19, 2011 3:56 pm

I know the Maverick didn't come with 4.11s, but any 8-inch gearset should swap in, shouldn't it? There are a number of 4.10-4.11 ring-and-pinion setups available on Craigslist in my area right now for the 8-inch axle - just no Maverick rear axles to put them in.

-Dave

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Gene Fiore
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Re: 4.11 gears?

Post #5 by Gene Fiore » Tue Jul 19, 2011 4:00 pm

1961 Futura wrote:I know the Maverick didn't come with 4.11s, but any 8-inch gearset should swap in, shouldn't it?

Yes.
1971 Maverick, 250I6, crank knife-edged, Clay Smith 278 solid cam, .040 over 255 V8 pistons, 10.5 to 1, Custom 500 Holley 2V on Classic Inlines Aluminum cylinder head, 1.6 rockers, Hooker header, DUI dizzy, C-4 w/2800 stall, 8" 3.55 det locker

Best ET 1/4 mile: 14.92 at 89.61 mph on 1/12/2013

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Crosley
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Re: 4.11 gears?

Post #6 by Crosley » Tue Jul 19, 2011 9:53 pm

Are you looking to re-gear a 8 inch for your car or re-gear the OE differential?
Tony in AZ...

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1961 Futura
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Re: 4.11 gears?

Post #7 by 1961 Futura » Wed Jul 20, 2011 8:52 am

Crosley wrote:Are you looking to re-gear a 8 inch for your car or re-gear the OE differential?


Either, but since I already have the OE differential, it seemed like re-gearing that might be easier and cheaper than tracking down both a four-lug Maverick axle and purchasing a new gear set for it.

-Dave

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Re: 4.11 gears?

Post #8 by 1961 Futura » Thu Jul 21, 2011 8:48 am

Did they use the 7.25 all the way until 1965? It looks like 4.11s might have been offered later.

-Dave

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FalconSedanDelivery
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Re: 4.11 gears?

Post #9 by FalconSedanDelivery » Thu Jul 21, 2011 10:29 am

Why 4.11's ( 4.00 was an option with the right combo of other things ) , most cars with 7.25 have at most 14 inch Diameter Wheels ( and relatively short diameter tires ) , unless this is a 10 mile or less vehical ( or you have overdrive ) 4.11's will be tough to live with
Falcon 6's, FE's I Like them both , Sold all My 6 cyl stuff ( for now at least ) glad to pass along some tips though

1961 Futura
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Re: 4.11 gears?

Post #10 by 1961 Futura » Thu Jul 21, 2011 10:44 am

FalconSedanDelivery wrote:( or you have overdrive )


That's why. I'm installing a T86/R10 combo. The R10 is a 70% overdrive, and I can't see a 200 pulling much less than a 2.877 final drive. I guess a 4.00 would act like the 2.79s in a Maverick 8-inch, though, so I'd probably go that route if a ring-and-pinion fell in my lap.

Incidentally, I'm running 195/75/14 tires, which are 25.51" in diameter.

-Dave

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Re: 4.11 gears?

Post #11 by FalconSedanDelivery » Thu Jul 21, 2011 2:35 pm

gotcha , keep in mind , that's a short tire , a 200 in good tune should have no trouble pulling along around 2200 in a light weight falcon even 3.50 with that short a tire works fine your doing 68 =or- a mph what is your primary usage 4.00 wont be easy to find , a swap to a ranger 7.5 ( which have 3.73 or 4.10 , and can be made to fit really easy and cheap ) is a good alternative
Falcon 6's, FE's I Like them both , Sold all My 6 cyl stuff ( for now at least ) glad to pass along some tips though

1961 Futura
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Re: 4.11 gears?

Post #12 by 1961 Futura » Thu Jul 21, 2011 3:31 pm

You make a good point, and I hadn’t really done enough thinking about the overdrive effect of taller tires on the older cars that used the T86/R10 with 4.11 gears.

My model for this build is the Hudson Jet. The Jet used an engine of approximately the same size in a car approximately the same weight. The T86/R10 were available in that car with 4.27 gears and 4.10 gears optional. The tires on the Jet were a 6.40-15 (27.01” dia.) Or 5.90-15 (25.38" dia.).

If we assume the 6.40-15s would be the choice of a driver doing a lot of highway work, that means my 195/75/14s are about a 6% underdrive. So maybe something in the neighborhood of 3.85s would be a good choice for me?

And, if I can pull a taller gear yet, 3.73s with the overdrive might be better on the freeway and still give me more grunt around town than the 3.10s I have now.

Do you happen to know of a good how-to on putting a 7.5 rear into a roundbody Falcon? Articles about the Maverick 8-inch and Ranger 8.8 abound, but the 7.5 doesn't seem to attract much attention. I'll bet I can score one fairly inexpensively.

Thanks!

-Dave

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Re: 4.11 gears?

Post #13 by FalconSedanDelivery » Thu Jul 21, 2011 3:40 pm

I have a 62 Sedan Delivery ( hence my name on here lol ) , AND , a 88 Ranger that will soon be giving up all its good parts , The Ranger rear is narrow to begin with , but if you use 2 passenger axles it can be even narrower ( I plan on a mini Tub ), Posi's are very common in them as well , the Gears and posi units sell on e-bay for dirt and are plenty strong for any 6 , Ford use3d them in the Mustang from 79- mid 86 with the V-8 ,My brother races with one in a T Bird ( 311 inch small block goes 12.80s ) and holding up well , I plan on measuring the Ranger rear this weekend , I'll give you the specs , it is a 5 lug , BUT only 9 inch brake ( some had 10's , )
Falcon 6's, FE's I Like them both , Sold all My 6 cyl stuff ( for now at least ) glad to pass along some tips though

1961 Futura
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Re: 4.11 gears?

Post #14 by 1961 Futura » Fri Jul 22, 2011 9:40 am

Except for the five-lugs, the Ranger rear axle sounds pretty good to me. The only worry I have is whether the offset pinion might interfere with my plan for moderate lowering (thinking 1.5-2.0 inches). I assume the spring pads will have to be changed to something with the proper location and width for the Falcon springs? I wonder if re-drilling the bolt pattern to 4 on 4.5 would be possible. I hate to run mismatched wheels, and I've already invested in a complete set of 4-lug Maverick steelies and a set of Scarebird brackets to do 4-lug discs up front.

-Dave

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Re: 4.11 gears?

Post #15 by FalconSedanDelivery » Fri Jul 22, 2011 2:18 pm

the pinion is not off set the axle lengths are different ( in rangers )
Falcon 6's, FE's I Like them both , Sold all My 6 cyl stuff ( for now at least ) glad to pass along some tips though

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gotstang
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Re: 4.11 gears?

Post #16 by gotstang » Sun Jul 24, 2011 1:32 am

I have a 4 lug 8 inch axel out of a Maverick but Im in Ontario Canada it has a 279 gear the brakes and Ebrake cables are still in good shape

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Re: 4.11 gears?

Post #17 by rwbrooks50 » Fri Jul 29, 2011 10:24 pm

I have 4 lugs 8" rear from a Maverick too. I can ship it by Greyhound Bus.

PM or call if interested.

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