|VW 020 Modified Hillclimb - Auto-X Transmission
Modified Close Ratio Mainshaft.
5 Speed Shaft Fitted In 4 Speed
This Pic. Compares The Modifed Shaft(top) & Stock Shaft
Stock Shaft Is Welded To Add Material Between Red Arrows
Then It Rough Turned & The Key Slot Is Installed
Then Final Ground Between Blue Arrows
Modified Mainshaft, Rear Mainshaft Bearing
A Modified VW 4 Speed Mainshaft Bearing Is Needed To Fit The 4 Speed Case. The Thrust Area On A Stock 4 Mainshaft Bearing Is Smaller Than The Thrust On The 1.13) 5 speed, 4th Gear. So a Shoulder Is Macined Into the 4 Speed Bearing.
A Thrust Washer From a VW 02J Transmission Is Then Used to Match The Thrust Area On The Close Ratio 4th Gear.
This 3.94 5 Speed Was A Perfect Ratio Match For This Applocation. It Is Simply Chopped & Fitted For The 4 Speed (Lower Right)
View Of Trans. During Assembly. Note Screen Below The Reverse Idler & Pinion Shaft To Catch Any Debris Before It Reaches The Ring & Pinion
3.94 Ring & Pinion
3.45 1st, 2.12 2nd, 1.44 3rd, 1.13 4th
Lightweight Magnesium Cases Have Problems With The Cross-Shaft Bores Wearing Out. Then The Seal Leaks. Custom Bronze Bushings Keep The Cross-Shaft Tight & The Seal From Leaking.
This VW 020 tranmission was buil for auto-X and hillclimb racing. We have built VW transmissions for drag racing, cirle track, ice racing, raly, road racing and more
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Hillsboro, OR 97123
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