Wednesday, August 7, 2013

1.6L Type1 Road Race contender : pt8



finished 113 fully ported heads  (pending machine works , cleaning and such)
dont mind the messy/dirty mock up bench hehehe

here's the planned specification of the engine / project

1600cc = 85.5x69

Heads    - 113 vw casting (1302/1303) heads, fully ported etc
Valves   - 35.5mm intake valves , 32mm exhaust valves  stock replacements by TRW
Springs  - scat/bugpack single HD springs, shimmed 0.060" bfor bind , chromo retainers and keepers
Rockers - stock 1.1:1  rocker shafts on CBperformance solidshaft kit and Porsche 911 style adjusters

P/C       - 85.5mm AAperformance Piston and Cylinder set
Rods     -311b german reconditioned stock rods (resized big ends and rebushed small end) , balanced set
Crank   - 69mm CBperformance Forged 4140 chromoly  ,
Carb     - Solex 34-pict3 as per Kafercup rules , 34-3 center section and VW endcastings
Header -  1 1/2 merged header w/ single straight thru muffler
Cooling - 181 doghouse fanshroud , complete german tins and undersled (industrial tins)

case     -   AS41 dual relief case, drilled and tapped / plugged for full flow
                internal case work done to improve efficiency and lessen windage loss
              
camshaft -    this is still in the planning stage
                   choices from engle W100 , W110 , Web #119
                  and other custom profiles being discussed

target compression :         8.9:1 static
rev range               :    5800-6000rpm Max
fuel                        :       91-92oct pumpgas

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