Make:B.M.C - B SERIES

Model:CS BMB

ROCKER RATIO 1.4:1

Ivan Tighe Engineering Pty Ltd

Tel (07) 3271 6001
Fax (07) 3271 6005


Email: sales@tighecams.com.au
 


Profile
Number
Advertised Timings
DURATION
VALVE LIFT
TAPPET
CLEARANCE
REMARKS
Ex Op.
B.B.D.C.
Ex Cl
A.T.D.C
In Op.
B.T.D.C.
In Cl
A.B.D.C
Advertised
@ 0.050"
Gross.
@ T.D.C.
Ex.
In.
  113 65 25 25 65 270 270 207 207 .364" .364"       .013" .012" Standard replacement.
104 65 25 25 65 270 270 215 215 .395" .395"       .014" .012" Good road improvement.
154 71 25 31 70 276 281 216 227 .371" .371"       .013" .012" Sporty 2200-5000 rpm.
240 70 30 30 70 280 280 218 218 .395" .395"       .015" .015" 2500-6500 rpm.
 140T* 75 32 37 71 287   288 240 240 .418" .418"       .015" .015" Fast road 2800-6000 rpm.
150A* 71 40 40 71 291 291 240 240 .442" .442"       .013" .013" Club sport 3500-7000 rpm.
157A* 79 50 50 79 309 309 258 258 .422" .422"       .010" .010" Factory B.M.C works profile.
                                               
                                               
                                               

Notes  -     

- For more profiles to suit B series use A series or Holden solid profiles.

* Valve springs must be changed.

* Valve-piston clearance should also be checked.