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Posted by: stownsen914 May 7 2022, 09:39 PM

Would like to find an LSD for a 915. Would love to find a Guard LSD.

It's for a later mag 915, the Guard model that fit is "915" ideally. The "930" Guard LSD would also work.

Let me know if you have one you'd like to sell. Thanks!

Posted by: colingreene May 9 2022, 01:32 PM

what are you using the car for? street or track?

Posted by: stownsen914 May 9 2022, 09:31 PM

Track only application

Posted by: colingreene May 12 2022, 02:51 PM

Another option would be a OS Giken differential.

Other than that I carry wavetrac but they are backordered till July

Posted by: CCE May 15 2022, 08:07 AM

What will happen to a car with a LSD on the street?

If I install an LSD to my weekend car, will it have an effect on regular roads?

It’s a bit attractive to have a limited slip differential, for me.

The car is basically a weekend hiway cruiser and a track day toy.

Posted by: brant May 15 2022, 08:55 AM

It changes the handling at the limits of traction
Totally unnecessary on the street

Posted by: stownsen914 May 15 2022, 09:13 AM

Also worth noting that LSD aren’t much of an improvement on a lower hp car. They essentially keep the inside rear tire from spinning in low adhesion situations. Mud and ice are two roadgoing situations where LSD helps. When you're in a turn and the inside rear takes all of the power (when you have an open diff), a higher hp car can start spinning or chirping the inside tire, especially when pushing it and the inside is unloaded. Not much of an issue for a stockish 914 in most cases.

Edit - just noticed you mention doing trackdays. Still limited benefit for a lower hp car. Do you experience inside rear wheel/tire slippage on track?

Posted by: burton73 May 15 2022, 10:13 AM

Well I do have this for sale: $10,000 OBO
I have a fresh fully rebuilt By GBox https://www.gboxweb.com/index.html done for ArmyDude many years ago. flipped ring and set up with oiling and external oil pump fresh except that it has been setting in my temp controlled west coast shop for 10 years.

Set up with hydraulic clutch. Bracket from 930 Turbo. I have KEP adapter for SBC and clutch and throw-out bearing.

930 Turbo 1977
4-speed fully-synchronized transaxle
Manufactured by Porsche (ZF)
Short bell housing
Plate-type limited-slip differential
Rod shift
Single-plate clutch
Gear ratios:
1st gear: 2.25
2nd gear: 1.304
3rd gear: 0.893
4th gear: 0.656
Ring and pinion: 4.22

I had an idea if someone wanted to match this up with your 930 Eng. you have for sale it may be a nice fit for a 914-6 real turbo Carrera trans and Eng.

I also have the fresh trailing arms with Elephant Polly bronzes reinforced by PMB with their tube reinforcement and early 911 parking brake, 930 fresh stub axles and fresh 930 CV joints.
Speedo drive with 911 Speedo. I also have fresh Boxster calipers by Rich Johnston. Done 10 years ago setting in box. You just need some custom Swingaway Axles and Cable Shifter set up

Bob B








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Posted by: slammin May 16 2022, 01:04 PM

QUOTE(stownsen914 @ May 7 2022, 10:39 PM)