Make: MITSUBISHI - PROTON 12V S.O.H.C

Model: CS M12V

ROCKER RATIO 1.2:1
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.
942 57 15 15 53 252 248     .342" .322"     .010" .006" Std. camshaft.
602A 62 20 20 58 262 258     .377 .373"     .010" .006"  
602B 63 27 32 63 270 275     .432" .432"     .010" .006"  
112C 62 31 41 54 273 275     .460" .464" .095" .145 .012" .010" Single carb. rough idle.
1007 80 32 21 57 292 258     .417" .373"     .010" .008" Twin carbs. road.
S/M* 75 42 45 749 297 299       .467" .453"       .012" .010" Twin carbs. fast road.
947C*  76 50 55 76 306 311       .412" .412"       .012" .010" Valve timings @ .012".Race only.
959* 81 55 60 81 316 321       .412" .412"       .012" .010" Valve timings @ .012".Race only.
                                               
                                               

Notes  -

- Located rocker shafts are used for all timings.

- * Larger profile camshafts require:

- (a) Ball adjusters on rockers.

- (b) Valve springs and modified valve caps.

- (c) Cylinder head modification to allow valve clearance.