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-   -   Crane cam ID (http://forums.pelicanparts.com/911-engine-rebuilding-forum/1020571-crane-cam-id.html)

speedo 02-09-2019 08:09 AM

Crane cam ID
 
Anybody have a spread sheet cross referencing Crane cam profiles to Porsche profiles? I have a pair that look like S high lift cams with "P 296" and "BP8 692" on the left and "P 296" and BP8 689 on the right side.
I called Crane (who no longer makes cams for Porsches) and a helpful tech gave me these figures.
296 I
278 E
Duration numbers @ 50
262 I
244 E
Valve lift max
12.09 I
11.29 E
So these look to be close to a 911 S grind, or in between a DC 43 and a DC 60?

stownsen914 02-09-2019 09:51 AM

From Dougherty's site, this looks very similar similar to a DC40:
Duration at .050" 259 intake, 242 exhaust
Lift .474" intake, .440" exhaust (yours are .476" intake, .444" exhaust)


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