Quote:
Originally Posted by Poodles 
And you apparently think the engine uses forged pistons (it doesn't)
There's more power to be had in the D4S injection system than DIT and the DIT has shown it's not as knock resistant as our motor.
But believe what you want.
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With regards to engineering, I prefer facts over belief
1)
Never said anything about forged internals.
The forged internals statement was done by another user.
2)
Knock resistance is not only about how much ignition advance you can apply.
The question at which
BMEP levels, you can do so.
3) what hp can you get from the UNmodified D4S system?
I guess below 350 hp which is what you can get from the DIT stock system.
So I guess you should revise your statement.
+ I donīt care about the port injection system. can be retrofitted with ease to DIT.
The bigger dimesnioned DI system is what makes the sex.
=> better mixture, higher combustion chamber cooling due to more vaporation enthalpy inside the chamber.
4)
and finally... here the proof re block FA20D against DIT. With a few examples (there is more)
while it might be the same family, itīs not the same block
additionally the gearbox flange is different.
