The factory doesn't actually say (as far as I know), but I'd suspect it is
.050" lift.
In reality, I've tried to measure cams myself using a degree wheel, an
assembled head and dial indicators, and I've never had one spec out as
advertised.
Gordon Glasgow
-----Original Message-----
From: datsun-roadsters-bounces@autox.team.net
[mailto:datsun-roadsters-bounces@autox.team.net] On Behalf Of Toby B
Sent: Thursday, May 28, 2009 6:56 PM
To: datsun-roadsters@autox.team.net
Subject: Re: [Roadsters] Datsun-roadsters Digest, Vol 3, Issue 225
"For a 4-cylinder engine, once you start getting close to 300 degrees
duration, it becomes marginally streetable. The stock SU cam is 256 degrees;
the Solex cam is 280 degrees.
Gordon Glasgow"
Hey Gordon, is that at .050" lift? 1mm?
(BMW does it at .5mm, I think, and it gives numbers that make
the hotrodders (.050") cringe...)
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