Hi

I just wanted to share the results for a ported 2WD head

I do not ask "crazy porting" just to improve and adjust exhaust / intlet ports

chamber are 62cc

T21°H56% P995.4
------------------------
ORIG - INTLET

KG/H MM

0,000....................0.00
6,100....................0.70
15,900..................1.20
26,000..................1.90
35,700..................2.45
61,500..................3.10
82,000..................3.80
105,000................4.90
140,000................5.70
203,500................6.80
306,500................7.40
521,000................8.10
1041,000..............8.90
1600,000..............9.60
2385,000..............10.50
3240,000..............11.02
------------------------
ORIG - EXHAUST

0,000...................0.00
4,100...................0.70
11,300.................1.20
21,000.................1.90
32,700.................2.45
48,000.................3.10
69,000.................3.80
95,000.................4.90
128,000...............5.70
167,900...............6.80
287,300...............7.40
478,000...............8.10
954,200...............8.90
1320,000.............9.60
1847,000.............10.50
2689,000.............11.02



------------------------
T19°H64% P998.2

MODIFIED - INTLET

KG/H MM

0,000.................0.00
6,400.................0.70
16,100...............1.20
27,800...............1.90
38,100...............2.45
65,000...............3.10
97,400...............3.80
138,000.............4.90
216,000.............5.70
325,000 ............6.80
510,000.............7.40
810,000.............8.10
1420,000...........8.90
1986,000...........9.60
2963,000...........10.50
3980,000...........11.02
------------------------

MODIFIED - EXHAUST

0,000.................0.00
4,800.................0.70
11,600...............1.20
21,700...............1.90
34,200...............2.45
50,200...............3.10
73,800...............3.80
127,000.............4.90
164,100.............5.70
274,300.............6.80
358,000.............7.40
652,100.............8.10
1041,700...........8.90
1568,900...........9.60
2133,000...........10.50
2993,300...........11.02

first time I ask for a porting


it seems to be a good job
especially during the transition ?