1969 Lotus Elan Plus 2 Restoration

Lotus Elan Plus 2 restoration story, pictures & technical information.

Sunday, January 29, 2017

Valve timing notes

The Canadian winter has been warmer than most, but it's still too cold to work on the car. I'm using my time to plan for the spring.

I used 280 degree fast road camshafts (http://www.burtonpower.com/fast-road-camshaft-lotus-twin-cam-new-blf46-ltc.html) in my engine.

Some valve timing notes:

Power Band: 2000-7000rpm
Valve Lift: 0.380"
Duration: 280° inlet
Timing Figures: 34/66/66/34
Inlet/Exhaust Full Lift Position: 106° ATDC
Valve Clearances: .008" inlet/.010" exhaust
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