HOW TO DO AN ADVANCED SEARCH.

Mon Jul 08, 2013 3:56 pm by Admin


For the benefit of 944Hybrids users there are two search functions available for you to use.
The purpose of this sticky is to explain the "Advanced Search" function because it is much more powerful and is the best choice when researching information.

When you log on to the site a list of options is shown in a line at the top of the page. One option is labelled "Search", use this option (NOT the search box lower down on the right).

After you click on the upper search option, a drop down box appears. At the bottom of this box is a radio button marked "Advanced …

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Auto trans

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Auto trans

Post by podirtfarmer on Wed Nov 02, 2011 7:51 pm

Hey new to the Site looks like lots of good info. Now for a question I am looking to do a conversion with a 5.3. The car I am able to get for very short money is an 1985.5 944 with the automatic trans this car is very clean and runs good now with the 2.5 NA I have not seen any done with the Auto yet just trying to find if any one has done this any info would be great. Thanks

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Re: Auto trans

Post by 87-944S on Wed Nov 02, 2011 8:15 pm

Stewart Wright did an auto conversion. His gallery is here:

http://944hybrids.forumotion.com/gallery/Personal-album-of-stuart-f-wright-cat_u71.htm

Welcome to the board! Very Happy
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Re: Auto trans

Post by podirtfarmer on Wed Nov 02, 2011 8:28 pm

thanks for the welcome

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Re: Auto trans

Post by 944convert on Thu Nov 03, 2011 1:26 pm

I think it wouldn’t be too difficult to use the C5 2-piece bellhousing and 944TT adapter with a C5 corvette automatic flywheel/flexplate...then remove the corvette OEM hub/coupler and have a machinist adapt a 928 OEM hub/coupler to the flexplate instead.

C5 flywheel/flexplate/hub

928 front coupler/hub


Last edited by 944convert on Thu Nov 03, 2011 2:57 pm; edited 1 time in total

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Re: Auto trans

Post by 944convert on Thu Nov 03, 2011 1:31 pm

Just don't forget to remove the 944 OEM rubber dampner's circlip from the driveshaft to freeup the 944 bellhousing during removal.


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Re: Auto trans

Post by stuart f. wright on Thu Nov 03, 2011 6:34 pm

why dont u conect your automatic with a clutch disc like i did then you can use a 2 piece bellhousing with the adapter the spilines on auto 944 is same as stick shift 23 spline i have had no issues with mine set up with clutch instead of dampener ive noticed no difference between the two i ran the stock dampner with my v8 conversion for a couple of years then i swiched over to hybrid setup with adapter plate flywheel clutch presure plate minus throwout bearing as mine is auto but technicly i could have put a clutch pedal and throwout bearing and have a clutch auto matic lol
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Re: Auto trans

Post by podirtfarmer on Thu Nov 03, 2011 7:08 pm

That what i was thinking of doing just run a closed clutch seems like the least involved solution

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Re: Auto trans

Post by 944convert on Fri Nov 04, 2011 12:26 pm

My only concern is the amount of spline engagement with a closed clutch setup. Have a close read of this thread:

http://944hybrids.forumotion.com/t1225-wore-out-my-drive-shaft

From the above post, this image shows Mike's measurement of about 22mm of spline engagement with a manual transmission's driveshaft.



The automatic transmission's driveshaft spline shown in this image...is set back from the tip a further 15mm.


So I'm guessing only about 7mm of the spline might engage in a clutch disk setup unless you used a flywheel spacer on the end of the crankshaft (GM# 12563532) which would give you about another 10mm...(then I would check the starter motor engagement).

The corvette flywheel (new, crate motor take off) is often on eBay for about 30 bux as are 928 coupler hubs.

The adapter to mate the 2 could be billet aluminum with the thickness sized to shim the hub as needed.

-Tom





Last edited by 944convert on Sat Nov 05, 2011 10:01 am; edited 1 time in total

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Auto transmission.

Post by fliermike45 on Fri Nov 04, 2011 6:39 pm

How about changing the auto TT for a manual TT or just substituting the shaft?

Might be worth contacting Constantine, he's the expert on TT's.

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Re: Auto trans

Post by podirtfarmer on Fri Nov 04, 2011 7:36 pm

Lots of things to think about. Going to have to pick all of your brains I dont see to much trouble getting the motor in the car I just want to make sure the connection to the tranny is solid Very Happy I should have the car home tomorrow and I will rebuild the tranny next week and run it with the 2.5 for the winter. the stock motor runs great maybe I can make back some on it to help cut some of the cost

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Re: Auto trans

Post by 944convert on Fri Nov 04, 2011 11:20 pm

The automatic’s torque tube is needed since it has the 4 bolt bosses necessary to secure the rear flex plate which attaches to the converter (the 5-speed’s TT bosses aren’t usable).

Swapping only its driveshaft to the manual’s driveshaft should work fine...but adding a crankshaft spacer is probably the easiest & the best bang for the buck.

I would change the ATF cooling to a standalone unit with a thermostatically controlled fan…heat is its Achilles heal.

There’s a lot of good info on the 087/010 Audi/VW automatic in this
posting.

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Re: Auto trans

Post by stuart f. wright on Mon Nov 07, 2011 6:51 pm

or shorten tourqe tube on the front by removing flange i mesured mine and it fits nice im using a early sbc chevy in my conversion the ls engine crank flange distance is diferent than early small blocks mine is an 86 auto i mesured mine all several times and have put several miles with no problema
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Re: Auto trans

Post by 944convert on Mon Nov 07, 2011 7:04 pm

ahhhh...you have an SBC. Exactly what the GM flywheel spacer is used for with many automatics..."flexplate spacer to adapt older small block...to the LS1-type engine" because the LS crank is shorter in length than the early SBC mill.

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Re: Auto trans

Post by stuart f. wright on Mon Nov 07, 2011 7:14 pm

yes it works good im working on an 87 turbo that will be ls 3 the 86 auto was my experiment which i have learned alot from i could take it apart blindfolded lol im adding a fast self learning efi to my 86 auto along with a turbo il post pictures in near future
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Re: Auto trans

Post by podirtfarmer on Mon Nov 14, 2011 8:35 pm

well got the car home Very Happy now I need to find an Auto trans everthing else in the car works great. Guy I bought it from handed me a stack of paper from the history of the car. I want to get it rolling witht the 2.5 and then shake it down prior to starting the motor swap.

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Re: Auto trans

Post by podirtfarmer on Sat Nov 26, 2011 9:25 am

Well been doing some more research on the trans and it is used in quite a few different cars the one that has my attention is out of a vanagon supposed to be a little more HD everthing I read says it should swap on to tranaxel. Does any one have any experience swaping these transmissions from other cars thanks

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Re: Auto trans

Post by 944convert on Sat Nov 26, 2011 12:23 pm

I thought the Vanagon used the 090/010 automatic transaxle while the Porsche (and turbo Audi 5000 FWD) used the 087/010 version which had more clutches (5 front/4 rear) and 4 planetary gears (vs. 3 for the Vanagon) which gave it stronger internals in the 010 automatic section. The 087/010 also has ports for external ATF cooling.

I believe the evolution of the 087/010 automatics ended on the ’89-’9? Audi 200 FWD Turbo…and appears identical to the 944 automatic…but comes with even larger 108mm axle flanges (as did the Porsche 930 Turbo), and some recommend a 930 CV setup for additional strength with the V8 swap. It also uses a 4 bolt torque converter.

Of course with the Audi FWD 087/010 units you'll need to swap and keep the 944 ATF filler tube/fluid level setup. You may also find some minor variations in the transmission mount bosses and need to keep the 944 torque converter to mount to the 3 bolt flexplate. And whatever automatic you go with, be sure it has an electronic speedometer sensor as a pre ‘85.5 probably will not.

The Vanagon bellhousing/final drive (the 090 part) looks very different than the Porsche/Audi 087 final drive. I don’t know if Vanagon automatic would bolt up to the torque tube but maybe somebody who knows will chime in.

I’m sure the Vanagon automatic is stronger than many other slushboxes...just not sure it is an upgrade compared to the one you already have in your 944.

Here's a guy who swapped his VW to an Audi 010 trans section while on a camping holiday!

http://www.thesamba.com/vw/forum/viewtopic.php?t=253381&start=0&postdays=0&postorder=asc&highlight=campground+rebuild

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Re: Auto trans

Post by stuart f. wright on Sun Nov 27, 2011 1:46 pm

ive beat the hell out of my 3speed auto na transaxle n its still working like it should did a freshen up rebuild before installing my sbc with 500 hp ive ran it down local dragstrip more times than i can count with no issues eccept i rebuilt my axles because the boots were torn n only regret ive got is its not over drive making her wind high at 140mph id even short track it against a stick car any time as its takeoff is phenominal im in process of installing a sts rear mount single turbo and a fast efi gonna then im see how long trasaxle holds on if it breaks im doin a beefed up 700r4 and a early 70s vette center section il wait til it breaks before i fix itand they say the stock auto will take 400hp and i agree and have proven that fact
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Re: Auto trans

Post by podirtfarmer on Sun Nov 27, 2011 5:04 pm

Good INFO just trying to sort out a good tranny rebuild kit want to up grade if there are any before putting it back together. And right now have plenty of time for research ripped a bicep tendon from the elbow cant turn a wrench for 4-months Evil or Very Mad

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Auto Trans 010

Post by ROGUE S2 on Sun Nov 27, 2011 10:37 pm

I have rebuilt several 010 units. My previous '87 944 had an automatic 010 with the stock porsche 2.5 (yes it was a dog). They did put this trans in many different vehicles back in the day. When you rebuild the trans make sure the end play in the unit is between .008-.015 " also make sure the pump is like new on top of a complete rebuild kit. The stock torque converter for the 944 is a 3000 stall. Unless you need a high stall for a cam in you LS or LT motor I would recommend about a 2000 stall converter if you can locate one. (don't use precision converters they suck). Good luck with the build, an automatic will be great if will hold up to chevy horses.

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Re: Auto trans

Post by crowstyle on Sat Aug 29, 2015 5:43 pm


Check out the 200-4r tranny also you might like that one better since it is smaller in size compare to the 700r4. Shouldn't have to modify the tunnel too much.

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Re: Auto trans

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