||Selected Imp block,
fitted with new timing cover, pressure/crack tested, converted dry
liner to sleeved wet liner, stiffened with block strengthening
plate, adding additional support to main bearing via alloy blocks on
to bearing caps.
||Reground and polished
||Bearings: lead copper
||New large pin (B1) set,
converted to larger 3/8" big end bolt size, Cosworth spec
boltas, race lightened, balanced, polished + tuftrided.
||Uprated with bronze
driven/tuftrided drive gears.
||Balanced set with large
valve cut outs.
||High capacity with built
in oil surge baffles.
||Race quality chain,
tensioner assembly, crankshaft chain sprocket.
||Lightweight F/W, fitted
with new starter ring.
||Sintered clutch cover +
plate + roller release brg
Flywheel, clutch and crankshaft.
||Sport head bridged
welded waterway slots to strengthen machined angle face and add
support for Wills rings.
||Exhaust port increased
diameter (26mm) off set swirl inducing inlet port, full radius multi
angle alloy bronze seats leading into venturi shaped throat, bronze
valve guides, reshaped highly polished 1.37" x 1.190"
||Chambers reshaped and
equalised for high compression.
||Race valve springs
shimmed to equalise fitted length.
40-80-80-40 timing, camcarrier machined from solid alloy, Cosworth
steel lightweight tappets.
sprocket, C/H high tensile head bolts.
||Lucas 45D4 Distributor
(matched advance curve), set of NGK race sparkplugs, high
performance HT lead set.