Balancing – rods paired from heavy to light starting at flywheel
Case with bearings
Clearanced Oil pump to clear carillos
Crank and racing chains in place
New #8 bearing
Case assembled with thru-bolts
Case ready for studs
993 RSR studs installed, fully threaded. Expensive but worth it!
THe thread prevents stress-corrosion cracking, which is the failure mode for head studs. The treads are rolled so the surface is extremely tough.
Pistons with pins and rings installed.
Heads. Careful to get exhaust studs in the proper direction.
Protectors installed so pistons and rings won;’t be sucuffed by head studs and vice versa.
DC730 sealant is applied to the cylinder base. 3.8 109mm (bore in) jugs do not use the cylinder base o-ring. More than one person has found that out the hard way!
1-2-3 Done
Heads in place.
CD730 applied to both the heads ad cam towers.This is critical to sealing.
Cam towers and cam boxes installed.
Long day comes to and end.
More angles.
We got to use the gold colored oil return tubes. All the new ones are now silver. I like the look!
New elephant feet and nuts
Rockers, bushings rotated nad narrowed to fit the 993 pressurized cam towers.
Timing the cam
Cams timed, rockers adjusted valve covers in place.
New Washers very pretty
Freshly rebuilt distributor. New belt and bearings
Distributor in place
New RS bellows – between stacks (on heads) and intake trumpets. Also added new european clamps
New factory wiring harness. All 993s had bad jackets.
New head temps sender. These are also prone to failure.
Rotary disk type multi-nozzle bosch fuel injectors
Stacks in place
Bottom
Mpre bottom.
Headers in place
New ignition wires in place. COils on order. 25 years old…good insurance
Intake, this will be removed and poweder coated in silver
Fan and housing in place,this is a temporary one, sending housing for poweder coat and fan to Dave at bodymotion to be color matched to the pearl bodywork