Episode 8: Cam Timing - Royal Enfield 650 Twins

Описание: Proper timing of the S&S Cycles camshaft to a Royal Enfield Twin. When you are building a high performance engine details matter and cam timing greatly effects the way an engine performs. Make sure you're getting it right for the riding that you're doing and to optimize your performance and the money spent.

Time Stamps:
0:00 Opening
0:11 Intro and why timing matters
2:24 How to set up an engine to degree a cam
4:18 Dial Gauge set up
4:49 Taking your measurements
6:00 Effects of a poorly timed cam
6:27 The role of tolerances during installation and what proper installation looks like.
10:30 Wrap up

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Specs:
Stock cam lift (measured)
IN = .258” EX = .262"
Stock valve lift IN = .305” EX = .310”
S&S cam lift (measured)
IN = .296” EX = .299"
S&S valve lift
IN = .350” EX= .354”
S&S Stated "Peak" Cam Lift .299" - "Peak" Valve Lift .354"
RA Ratio = 1.184
S&S increase in lift
IN = .045” EX= .044”


Links:
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