SSC Late Trans - Two Types

[bugguy1967]

Asking a lot today.... I know.

I hear there's two single side cover transmission cases: one with a round boss around the drain plug, and one with a rectangular raised area around the drain plug, unlike any other trans. Can anyone confirm this? I haven't been able to find a pic. The rectangular one is supposed to be a sure-fire 3.88 r&p, with the best even gear spread (opinion).
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"A petrol engine can start readily, run smoothly and give every appearance of being in good order, without necessarily being in good tune." - Colin Campbell, "The Sportscar Engine"

[pupjoint]

yes there are 2 types and they both have the same ratios and 3.88, at least the ones i have seen 3.78, 2.06, 1.26, 0.93

[b-man]

This one is supposed to be the strongest SSC case.

Internally likely the same as any other but I’m no expert.

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1956 Dove Blue Panel
1966 Velvet Green Single Cab
1957 L41 Black Oval Window Beetle

[NJ John]

I’m sure either could be 3.88 or 4.12. The only true shortcut is to count the rotations in 2nd gear.
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1973 standard, yellow, lowered, 3” narrowed front, 1600 blo-thru turbo w/single dell 15.4@86, so far
11.41 et buggy. Long gone
Let’s go O’s! Let’s go O’s!
https://www.youtube.com/@AirSpooledGarage

[bugguy1967]

Thanks! Been looking for that pic!
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"A petrol engine can start readily, run smoothly and give every appearance of being in good order, without necessarily being in good tune." - Colin Campbell, "The Sportscar Engine"

[Ohio Tom]

The "offset rib" trans represents the latest model box.
Same ratios as the regular SSC box (3.78/2.06/1.26/.82).
AT code for 3.88rp.

The one big difference is the use of the Aluminum "dual rib" side cover. It's way stronger than other Magnesium side covers.

While the offset rib box has better strength around the oil hole, and the "rib" is close to the opening, they can still be cracked like any box.
They are supposed to be stronger, but I have not really found that to be true.

Now, if you were to weld a gusset on the offset rib box, that would be very strong.

I blew one up in 10 passes on my 300hp drag car.

Went back to the normal SSC case and she held up for many years.

[vwracerdave]

Here is the sticky that explains it. The 75 & later SSC cases are often called Z case. They are what you are asking about. There is nothing different inside then what was used in the earlier 73-74 SSC cases.

https://www.thesamba.com/vw/forum/viewtopic.php?t=...highlight=

[bugguy1967]

Score! I had a 50% chance of getting a 3.88! Using it for road racing, so not overly concerned with shock loads.

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"A petrol engine can start readily, run smoothly and give every appearance of being in good order, without necessarily being in good tune." - Colin Campbell, "The Sportscar Engine"

[QRP]

Does all this apply to type 3 as well??
I've got a SSC in my 73 squareback and have been wondering about it.

[pupjoint]

[Bruce]

[madmike]

Thought that big ass funnel looked familiar, that's my trans thanks for the reminder I have to rebuild that one for my bug
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'Black Ice'Drag Buggy 'Turbo'
Rail Buggy 1915 turbo
76 Drag/Street bug 2180cc 'Turbo' 11:85 @113 mph"If I go any faster I'll burn up the Hamster" ,gets 28 mpg. also 10/09/22 11.90 @115 mph
"If I'm ever on Life Support,UNPLUG Me, Then Plug me back In see if that Works"