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Re: [T3] FI cams


On 18 Aug 2006 at 22:54, Steven Cooper wrote:

> Do FI engines have different cams to carbed engines?  Do AT engines and MT 
> engines have different cams?  If so, what are the part nos for the various 
> cams and what are the basic differences?

They all came with the same cam in the same year. A different cam and gear was 
introduced '72, but the lift and duration specs are the same; only the 
attachment to the gear changed. Those tow cams require different oil pumps.

Also, each of those cams was available in about a dozen different variations in 
pitch diameter of the cam gear. That is there to make up for production 
variations in the cases. The differences from the nominal are stamped on the 
rim of the gear. It's important to get a proper gear for your case.

-- 
Jim Adney
jadney@vwtype3.org
Madison, WI 53711-3054
USA

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