BLOCK: |
Sunbeam B1, fitted with
special longer liners, bored to 74mm. |
|
Crankcase strengthening
plate, sandwiching alloy blocks on to. |
|
Main caps. |
PISTONS: |
11/16" pin with
modified skirts and large valve cutouts. |
CONRODS: |
11/16"
lightened/balanced set, converted for 3/8" bigend bolts. |
B/E BOLT: |
3/8" Cosworth spec
steel. |
CRANK: |
B1 Submerged arc welded
to increase stroke, tuftrided/balanced. |
BEARINGS: |
Competition lead/copper
+010" mains, std bigends. |
OIL PUMP: |
Std capacity fitted with
bronze driven/tuftrided drive gear. |
SUMP: |
High capacity/separate
oil surge baffle plate. |
FLYWHEEL: |
5 x bolt (B1) lightened
+ balanced with comp clutch assembly. |
CLUTCH: |
Uprated O/E cover,
semi-ceramic paddle plate. |
T-CHAIN: |
Race quality fitted with
additional half link. |
CYL
HEAD: |
Sport machined for Wills
rings, 1.4" x 1.125" valves, tapered guides, enlarged and
flowed ports/valve throats, balanced combustion chambers, race
double valve springs, tempered spring caps, competition (cap head)
high tensile head bolts. |
CAM+ |
R22 or equivalent.
360" lift, 35-75-75-35 timing camshaft. |
TAPPETS |
Lightweight (Cosworth
spec) Steel. |
IGNITION |
Lucas 45D4 distributor
with matched advance curve. |
|
NGK 8ECS Spark plugs. |