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BowEng

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

New elephant feet and nuts

Rockers, bushings rotated nad narrowed to fit the 993 pressurized cam towers.

Rockers, bushings rotated nad narrowed to fit the 993 pressurized cam towers.

Timing the cam

Timing the cam

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Cams timed, rockers adjusted valve covers in place.

Cams timed, rockers adjusted valve covers in place.

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New Washers very pretty

New Washers very pretty

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Freshly rebuilt distributor. New belt and bearings

Freshly rebuilt distributor. New belt and bearings

Distributor in place

Distributor in place

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New RS bellows - between stacks (on heads) and intake trumpets. Also added new european clamps

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 factory wiring harness. All 993s had bad jackets.

New head temps sender. These are also prone to failure.

New head temps sender. These are also prone to failure.

Rotary disk type multi-nozzle bosch fuel injectors

Rotary disk type multi-nozzle bosch fuel injectors

Stacks in place

Stacks in place

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Bottom

Bottom

Mpre bottom.

Mpre bottom.

Headers in place

Headers in place

New ignition wires in place. COils on order. 25 years old...good insurance

New ignition wires in place. COils on order. 25 years old…good insurance

Intake, this will be removed and poweder coated in silver

Intake, this will be removed and poweder coated in silver

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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

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

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FLywheel and clutch

FLywheel and clutch

Sheet metal is the best I have but not perfect.

Sheet metal is the best I have but not perfect.

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