Allison Transmission installation - Page 2 - Diesel Forum - TheDieselStop.com
'99 & up Upgrades and Aftermarket - 7.3L Engine Upgrading or adding OEM or aftermarket equipment to your 1999-Up Super Duty or Excursion with 7.3L Power Stroke diesel engine. Please confine discussion of topics in this forum to those items that are specific to the 7.3L Power Stroke engine.

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post #16 of 32 (permalink) Old 11-16-2006, 10:20 AM
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Re: Allison Transmission installation

My friend has a Allision transmission in his 03 F550 4x4 crew cab he ordered straight from the dealer. The dealer handeled all aftermarket add ons like the bed, air suspension gauges, interior upgrades,tc etc....

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post #17 of 32 (permalink) Old 11-16-2006, 10:31 AM
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Re: Allison Transmission installation

he prolly got a cat motor also!

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post #18 of 32 (permalink) Old 11-16-2006, 10:38 AM
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Re: Allison Transmission installation

[ QUOTE ]
My friend has a Allision transmission in his 03 F550 4x4 crew cab he ordered straight from the dealer. The dealer handeled all aftermarket add ons like the bed, air suspension gauges, interior upgrades,tc etc....

-
Andrew

[/ QUOTE ]

I'd bet a Big Mac and fries that your friend is confused.

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post #19 of 32 (permalink) Old 11-16-2006, 11:00 AM
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Re: Allison Transmission installation

[ QUOTE ]
he prolly got a cat motor also!

[/ QUOTE ]

Actually a 6.0L I cant go check his transmission because he lives about 1 hour away from me. He had his truck completely rigged out by some conversion company in El Cajon or somewhere like that. Total price $120,000. [img]/ubbthreads/images/graemlins/grin.gif[/img] thats all I know.

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post #20 of 32 (permalink) Old 11-16-2006, 12:06 PM
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Re: Allison Transmission installation

The difference is not just about strength (although the Ally is MUCH stronger than the 4R100) the real difference is the flexibility 6 gears gives you.

I sell KWs and one program I use a lot is called Prospector and one of it's features is it allows me to to examine a certain drivetrain's abilities such as:

Startibility. The units ability to move the load from a stop uphill, offroad, loaded, etc.

Gradeability. The speed at which one can climb a grade of X%. It will actually show on specific kinds of pavement what speed w/ my specified weight and gear ratio this unit can climb various grades.

Gear splits. How much RPM drops between gears effecting how quick I can accelerate.

RPM at cruising speeds. Although the program makes no assumptions about mpg the manufacturers are very clear about what RPM the trucks need to operate at desired cruise speeds to optimize mpg and/or pulling power.

Before I order a truck I always spend some time on this program making the truck work correctly for the intended use. I use to spend time trying to make the 4 speed autos do everything I needed. Invariably though, I ended up w/ huge compromises on multiple aspects of performance. For instance, a truck w/ so-so startibility that also toppes out at 57 mph and gets terrible mpg. Not an ideal setup. But that is where the 4 speeds always came out.

Then I began to play w/ the 5 and 6 speeds a lot and I learned that w/ the 6 speeds (although 5 speeds are WAY better than 4 speeds) I could have it all. I could build a truck that could start any load I needed even under very demanding conditions, pull the grades I needed in the RPM range the manufacturer required, tight enough between gears to not fall off even w/ a high gear ratio, and a comfortable noise level and mpg on flat ground while zipping across the highway for hours at a time.

So when some try and claim that so and so's modified 4R100 will whip a Series 1000 6 speed I just laugh at their ignorance. No way, no how.

To top it off, call Suncoast and get some info on rebuilding these trannies. They quoted me 7K for their top of the line 4R100 and about 4K for their top of the line Ally. The reason? because the Ally does not need any billet parts cause it's already WAY overbuilt.

Early '99 7.3 Superduty. Built 3-98

Built motor. Homemade "Big Oil", GT42R Big frame turbo. Rods and junk to keep it all together.


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post #21 of 32 (permalink) Old 11-16-2006, 12:09 PM
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Re: Allison Transmission installation

[ QUOTE ]
he prolly got a cat motor also!

[/ QUOTE ]

cant get one in a f550, only f650 and up. you should have known that brainiac!!!!! LOL [img]/ubbthreads/images/graemlins/grin.gif[/img]

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post #22 of 32 (permalink) Old 11-16-2006, 03:04 PM
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Re: Allison Transmission installation

Really not much machining at all if any. the allys where in the ih trucks. they use thier own standalone pcm that you have to have reprogramed. Other then that it wouldnt be to bad, got to do all the fab work.

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post #23 of 32 (permalink) Old 11-16-2006, 09:07 PM
 
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Re: Allison Transmission installation

Put one of those monster 60 foot BS flags on that one. no way not from the dealer if done under conversion lets see some pics and where they got the adapters from cause im next.
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post #24 of 32 (permalink) Old 11-17-2006, 06:37 AM
 
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Re: Allison Transmission installation

also lets remember that with the allison you can run a 3:73 gear at least. i have a custom 2007 western hauler being built for me right now that i ordered from the congress 2007 gmc 3500 c.c long bed 4x4 duramax allion with 3:73 gears that the highest they put in it cause the six speed that some kick ass MPG six speed is definitly the way to go cool write up too Suns. but GM only allows a 3:73 with the duramax and allison 6 speed
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post #25 of 32 (permalink) Old 02-08-2007, 03:43 PM
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Re: Allison Transmission installation

I asked about this very subject a few months ago. Suns_PSD helped me out then too.

I was doing some searching again today and found destroked.com. I did email earlier today and found out they are working on the transfer case adapters. My understanding is if you have a 2wd the kit is ready.

I also inlcluded a link of some probuilt Allison 1000's but I don't know what they are like.

http://www.destroked.com/parts.shtml
http://www.transmissioncenter.net/allison1000.htm
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post #26 of 32 (permalink) Old 10-26-2012, 07:38 PM
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so what is one to do? I have a 7.3 no mods. with an a40d. truck curb is 12,000 lbs and with trailer another 4,000 to 12,000 lbs. We eat a transmission every 6 -8 months. Was looking to put a Allison transmission in it. My other option was a 5 speed but cant find a clutch pedal to fit. Looking for ideas that work
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post #27 of 32 (permalink) Old 12-31-2015, 06:24 PM
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I lost my first trany at 90k, the replacement lasted 13 months and 7k miles..... I too am now looking into allison conversion. I know that allisons are installed by almost all of the OEMs in there med duty trucks, so it is a doable conversion..... guess just need to do more searching.
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post #28 of 32 (permalink) Old 12-31-2015, 06:31 PM
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Quote:
Originally Posted by 96STROKE View Post
I lost my first trany at 90k, the replacement lasted 13 months and 7k miles..... I too am now looking into allison conversion. I know that allisons are installed by almost all of the OEMs in there med duty trucks, so it is a doable conversion..... guess just need to do more searching.
Instead of going to the expanse of a conversion why not just look into a BTS or a John Woods transmission built to what you demand?

96 F250 PS XLT 4X4 long box, 5sp,4.10, manual hubs,pyro+boost guages, Dark Toumaline, add a leaf, Dale's TYMAR, and HX hose, downpipe, coolant filter, Luk clutch
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post #29 of 32 (permalink) Old 01-01-2016, 09:26 AM
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Quote:
Originally Posted by 96STROKE View Post
I lost my first trany at 90k, the replacement lasted 13 months and 7k miles..... I too am now looking into allison conversion. I know that allisons are installed by almost all of the OEMs in there med duty trucks, so it is a doable conversion..... guess just need to do more searching.
cummins allisonconversions.. Do a search, this guy is now located in florida, and knows his stuff.. Likely the best price/info, you will get on the subject.. I bought his wiring setup to use behind my allison 2000 and dt360 engine conversion on my f-450..

the fleet; ferds ,02'f350,01'f450, 11' f350 the generals ,82'2500, 82'2500 4x4, 82' blazer, 86' blazer ,93'3500, 96'3500, and a 99' 3500hd with 12 valve cummins power. the goats, 90'd250, 91'd350 4x4, all are diesel powered. a list of bigger stuff, as well as gasser's, got lucky, wife comes from a family that collects junk iron too!
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post #30 of 32 (permalink) Old 01-02-2016, 01:26 AM
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What temps did you run towing? Still running the stock cooler?

I don't understand the Allison thing, all the sled pullers put built 4r100's in.

john wood, bts, Sam wyse build a terrific 4r100.

The reman 4r100hd from ford isn't an upgrade either. They tear them apart fix what's wrong and put it back together. Usually new clutch plates abd frictions and slap it back together.

99.5 f250 7.3 4x4- 277k FF 160/30, Hydra w/SDK Tunes, S&B CAI, 4" Exhaust, Van turbo w/Riffraff Billet wheel, Autometer Gauges, Built Trans, Trucool Max, 08 Tow Mirrors.


Dads-2000 f250 7.3 4x4- 118k K&N Intake w/Amsoil Filter, 4" Exhaust, Autometer Gauges, Superchip 1705 (Tow Safe), BD Billet Wheel, TruCool Max, 08 Tow Mirrors.
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