What Cams are These?

[Jerz]

My 1986 cams are stamped 930. 142.01 and 930. 142.01.
Any ideas what they are?
The PET shows 1986 930 cams as 930.105.143.03 for left, and 930.105.142.03 for the right one.
Thanks
Jerzy

[proffighter]

Pelican Parts - Product Information: 930-105-142-04-OEM

Found

[WERK I]

It appears, according to the PET, those cams are from the early 911 Turbo's, circa '77. No difference in cam timing, but the camshaft sprocket mounting uses different method. Early cams used big nut versus bolt on later engines.

[Jerz]

These have the later style sprocket mounting, with a bolt and a big washer. I have to measure them to find out exactly what they are.

[Jerz]

I finally had time to take the heads apart and have a good look at the cams.
They are stamped Windward 330 Sport SC . The lift is .443/398 assuming 1.5 rocker arm ratio. Somebody on this board was making over 600hp with them. There are supposedly half way between SC and 964 cams. Can anybody confirm that?
Seems that Windward was in performance parts business till about 2004.

[WERK I]

Those are Elgin cams with Windward stamp. Windward was a company I avoided buying from back in the day, though Elgin has an excellent reputation. Here's the link to Elgin Cams;

Elgin Cam Profiles

[philip j]

I run those cams, and am very happy with them. They are timed for upper end, but still smoke the tires down low in 1st/2nd when I'm not careful.

[Jerz]

Thanks guys.