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B20 turbo project, question for D.E SWEDEN 120-130

posted by  someone claiming to be Stefan Van Audekercke on  Sat Sep 28 23:48 CST 2002 [RELATED]

Hello,

Finally my B20 turbo project is approaching its end.
The manifolds are to be ready next week, the injection/ignition system is ready to bolt on.

At first the idea was to build a killer B20 with all the goodies (forged pistons, H-beam rods,sodium filled exhaust valves,...)
After talking to many people the conclusion was that it would be much more difficult and costly to build a 250+ hp B20 than to start with a low cost engine (selected stock parts) and gradually increase the power and see which parts fail. After doing this test it should be possible to build the killer block without investing in parts that aren't necessary.
We will start with 7.5 psi of boost which I think will not be a problem since J. Parker already did this with his supercharger kit on a stock block.
We will crank up the boost till maximum 15psi on the stock block and this will probably kill the pistons and blow headgaskets.

I would like to use B19 dished pistons as a cheap way to lower the C.R (target 8/1), in combination with a B20F head with slightly enlarged combustion chamber.
Are those B19 dished pistons weaker than the B20 flattops with 24mm wrist pin ?

CU

Stefan





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