Episode 3 Camshafts for the Royal Enfield 650 Twin

From theory to installation and performance gains.
How valve trains work and why we make changes to optimise performance. We breakdown your options, cost, complexity of installation and what sort of results you can expect from changes to the camshafts and high compression pistons on a Royal Enfield Twin 650.

Time Stamps:
0:00 Opening
0:11 Intro and Updates
1:47 Components of a valve train and how it functions
2:43 Camshaft design
3:46 High Performance Options
4: 47 Installation of camshaft
6:55 (High Compression Pistons)
7:51 Installation of camshaft
8:35 Results - What to expect
10:45 Wrap up, next week's topic & secret reveal

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:
Shop for camshafts here:
http://shop.revelryracing.com.au/prod...

Shop for High Compression Pistons here:
http://shop.revelryracing.com.au/prod...


Animations of 4-Stroke engine
https://animagraffs.com/how-a-car-eng...
   • 4 Stroke Engine Working Animation  

DISCLAIMER:
MANY OF THE PRODUCTS WE DISCUSS ARE “RACE ONLY”
ALL RACE ONLY PRODUCTS ARE FOR CLOSED COURSE COMPETITION USE ONLY. SOLD FOR RACING VEHICLES WHICH ARE NEVER USED ON, OR REGISTERED FOR USE ON, A PUBLIC ROADWAY.
NO RACE ONLY MODIFICATIONS ARE STREET LEGAL IN AUSTRALIA.
IT IS YOUR RESPONSIBILITY TO CHECK YOUR LOCAL REGULATIONS.