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MG B Series CAM Specifications

.....a project in process. data is in complete
and constantly being updated.......

This is a table of the stock cams used that I have been able to find.

Stock Cam specs. Special Note!
(The manufactures listed here were found on the web, or listings
from other various documents at hand. They are listed here
for reference only and are not guaranteed to be exact. Check
with the manufacturer for final specs.)

TT
= Triumph Tune (Moss International) http://www.mossint.co.uk/
K = Kent Cams http://www.kentcams.com/
E = Elgin Cams http://www.elgincams.com/c-tri.html
P = Piper Cams

 

Model

Seat
Duration
0.050"
Duration
Exhaust
timing
Camshaft
lift
1965 264° 217°   .265"
1965-1975
#88G 303
257° 214°   .265"
1975-1980
(smog)
#1156
244°
257°
198°
214°
  .265"
.265"

 

This is a few of the 'modified' profiles for cams usable in a
the 1800CC MG B Series engine, that I've been able to find.

Modified cam shaft specs
profile name
and source
Intake
timing
Exhaust
timing
seat
duration
.050"
duration
camshaft
lift
power range
(mfr' claim)
Max BHP
@ speed
lash application
BBP255 27-63  64-28 270/272° 0.404-0.388" 1000-6000 Mild Road
BBP270 31-65  65-31 276°  0.404" 1500-6500 Fast Road
BBP285 37-75  71-41 292°  0.450" 2000-6750 Road/Rally
BBP300 54-82  82-54 316°  0.4507" 2500-7000 Rally
BBP320 57-83  83-57 320°  0.470" 3000-7500 Race
B929 44-76  76-44 300° 0.359" 2500-7000 Race (std lift)
profile name
and source
Intake
timing
Exhaust
timing
seat
duration
.050"
duration
camshaft
lift
power range
(mfr' claim)
Max BHP
@ speed
lash application
K   714 25-65 60-30 270° 0.357" 1800-5800 Mild Road
715 37-69 69-37 286°  0.357" 2000-6000 Fast Road
716 46-76 76-46 302°  0.376" 2500-6500 Rally
717 37-65 73-27 280° 0.393" 1800-6500 Fast Road
718 42-68 78-32 290° 0.416" 2500-7000 Rally
719 47-73 83-37 300° 0.438" 3000-7500 Race
717SP 37-65 65-35 280° 0.393" 1800-6500 Fast Road scatter
718SP 42-68 70-40 290° 0.416" 2500-7000 Rally scatter
719SP 47-73 75-45 300° 0.438" 3000-7500 Race scatter

TT= Triumph Tune (Moss International) http://www.mossint.co.uk/
K = Kent Cams http://www.kentcams.com/
E = Elgin Cams http://www.elgincams.com/c-tri.html
P = Piper Cams


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last edited 12/06/09

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