Any differences between 53 and 56 Split case tranmissions ?

grailoc

Hi Guys,

My 56 beetle is currently running on a later model transmission and I have the oportunity to aquire a 53 synchro split case transmision.

I was wondering if a 53 tranny had the same ratio an conception as a 56 tranny year model ?

Help here will help me to decide if I move on with that 53 tranny or wait to find a good 56 tranny.

Thanks in advance for help.
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Louis · Posted: Wed Oct 13, 2010 11:21 am Post subject:

syncro?

i didnt know they were syncro trans in 53?
my trans is 54 and its not syncro..

Zwitterkafer · Posted: Wed Oct 13, 2010 2:31 pm Post subject:

I'm sure he means synchro on 2nd, 3rd, and 4th only. Pre-Oct '52 would be non-synchro, or "crash-box".
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hazetguy · Posted: Wed Oct 13, 2010 2:46 pm Post subject:

as far as i know, the gearing is the same for all splitcase synchromesh transmissions, beetle and bus. there were some minor changes to 4th gear later on, but i don't think the ratio changes significantly. there weren't too many gear options for splitcase.
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grailoc · Posted: Wed Oct 13, 2010 5:12 pm Post subject:

DTurpin · Posted: Fri Oct 15, 2010 1:53 pm Post subject:

There were some slight modification of the ratios of the splitcase synchromesh transmission during the years. There exist two ratios for 3rd, three ratios for fourth and two different ratios for the final drive. I have the following list noted. Unfortunately it seems like some ratios where using intermittent so you cant trust it completely

year(number) | first | second | third | top | rp | total on top
10.52 - 8.53(1-0509793) | 3,6 | 1,88 | 1,217 | 0,786 | 4,375 | 3,44
8.53 - 12.53 (1-0575414) | 3,6 | 1,88 | 1,217 | 0,786 | 4,375 | 3,44
12.53 - 5.56 (1193482) | 3,6 | 1,88 | 1,227 | 0,815 | 4,375 | 3,56
5.56 - 11.57 (1726006) | 3,6 | 1,88 | 1,227 | 0,815 | 4,429 | 3,61
11.57 - 8.60 (3192506) | 3,6 | 1,88 | 1,217 | 0,821 | 4,429 | 3,64
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EverettB · Posted: Fri Oct 15, 2010 11:46 pm Post subject:

Sort of another subject but a '53 transmission case is different than a '56 one.

It's more smooth looking. Unfortunately I don't have any detailed photos but here are a couple photos of my '54 Bus transmission
http://www.thesamba.com/vw/forum/album_page.php?pic_id=507788
http://www.thesamba.com/vw/forum/album_page.php?pic_id=507789

If someone is doing an early restoration and really wants a correct-looking case, they are a lot harder to locate.
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ProjectX · Accessory Nut Joined: May 01, 2006 Posts: 1014

My original restored transmission in my October '53 Deluxe...

Image may have been reduced in size. Click image to view fullscreen.

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