16v Cams.

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Jun 25, 2003 | 11:59 PM

ViribusUnits

Thread Starter

Nordschleife Master

Joined: Aug 2002

Posts: 9,010

Likes: 2

From: South Texas

16v Cams.

What is the lift of the 16v engine's cam?

Thanks, I'vee been looking at this aspect of the engines, and so far am dismayed that my car has the shortest duration, and the least overlap. Hum...

Thanks.

Jun 26, 2003 | 01:35 PM

John..

Three Wheelin'

Joined: Nov 2001

Posts: 1,446

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From: Northern Kentucky

The low overlap is great for my car....I can't afford reversion under high exhaust manifold pressures.

Not sure on the lift...it is not huge, I know that.

Jun 26, 2003 | 04:17 PM

Rennlist Member

Joined: Dec 2001

Posts: 25,186

Likes: 105

Check the webcams site. I think they have some stock config info.

Jun 27, 2003 | 05:36 AM

ebaker

Pro

Joined: Apr 2003

Posts: 603

Likes: 1

From: TX USA

Several years ago I replaced the stock cam in my 78 928 with an 83 euro S cam. I believe stock it had 10 mm lift. The intake lobe centerline is retarded about 10 - 12 deg. This late intake valve opening is why the low end torque is weak. I believe it had NO overlap. The lobe centerlines were a very wide 120 deg., if my memory is correct. The S cam had 11 mm lift and a little more duration. I made an offset key and advanced the cams and picked up a lot of low end torque. I would guess that advancing the cams on the turbo car would help low end torque, and reduce turbo lab.

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