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Title: How to identify a ring and pinion...? Post by: Kaferdog on July 31, 2011, 00:57:22 am I'm looking for info on ring & pinions and how to tell what you have....? are they marked....? Do you count the teeth..?...Whats the trick ...Thanks !
Title: Re: How to identify a ring and pinion...? Post by: Hecker on July 31, 2011, 04:00:39 am There should be some numbers stamped, but you could count the teeth & divide the two!!
4.37 or 4.12 or 3.86 ? 7 ? Title: Re: How to identify a ring and pinion...? Post by: javabug on July 31, 2011, 15:24:30 pm There should be a stamped letter and three digits on the ring gear. For example "K833" is a Klinkenberg 4.12. The trick is the digits will tell you the ratio: 33/8 = 4.125
Title: Re: How to identify a ring and pinion...? Post by: Bruce on August 03, 2011, 06:23:04 am All of the genuine VW R&Ps have 8 teeth on the pinion, so you don't need to count them.
31, 33, 35 and 37 are the 4 ring gear counts. They are 3.875, 4.125, 4.375 and 4.625 respectively. Most of the ring gears are marked like Mike said. There are 3 letters, G, K, and O. This indicates the tooth profile shape. There are some ring gears with no markings. And a LOT of pinions without too. If you find a gear set without markings, put a paint mark on them so they don't get mixed up. Title: Re: How to identify a ring and pinion...? Post by: Kaferdog on August 03, 2011, 22:06:28 pm Thanks for the info Bruce...... I'm trying to see what it is that I have I can see a K 12 on mine also a N on the other side of it .I can also see where some one has used a punch or yawl to stamp in some other numbers Looks like 1466 (in the bottom pic) ...? here are some pics..... I counted 35 teeth so that would make a 4:12...?...right..?
Title: Re: How to identify a ring and pinion...? Post by: javabug on August 03, 2011, 22:20:05 pm 35 teeth is a 4.37
33 teeth is a 4.12 31 teeth is a 3.88 etc. Title: Re: How to identify a ring and pinion...? Post by: Kaferdog on August 04, 2011, 00:03:10 am Oh yeah..I didn't catch that...I meant to say 4:37..Thanks
Title: Re: How to identify a ring and pinion...? Post by: Bruce on August 04, 2011, 07:33:01 am You've got an early 4.37 from a 61-66 trans. At that time there was only one gear ratio, so they weren't marked.
Maybe Mike will see this and tell us what tooth profile these early 6 bolt ring gears are. Title: Re: How to identify a ring and pinion...? Post by: Kaferdog on August 04, 2011, 09:40:01 am Thanks again Bruce...I'm soaking up this info to further up my knowledge ...!..it's starting to make sense to me now ...!!
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