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SPS Motorsport
iliasfyntanidis:
Which Pistons give a 2.0 lt displacement and what camshafts did u used for 8600 rpm? Is the block from a BP Z3 or BP4W ENGINE block and which cylinder head? I see that there is no crank sensor?
Thanks
Guido@SPS:
Hi iliasfyntanidis,
of course there is a crank sensor. The engine is a BP4W engine, because there is no VVT. The pistons are 85,5mm JE pistons custom built for us.
I see the pictures are not working at the moment. Directupload has some problems at the moment. I hope they fix it soon.
These are the camshafts in this engine:
Best regards
Guido from SPS
iliasfyntanidis:
Sorry @Guido@SPS I meant cam sensor.
I see from the camshaft specs that they don't have enough overlap,as we all know its necessary and essential for N/A applications.
Even CatCams gives them for turbo applications and they have Lobe Seperation Angle of 110 degrees which doesn't match the engine characteristics(N/A) and the lift at TDC is tiny.
Do you mind sharing the timing of these cams for your application?
Mine camshafts also from CatCams which are for N/A application follow the usual norm,tight LSA and more overlap,that's the reason i am asking?
Any reason why did you selected Supertech(single or dual?) springs over the PAC springs CatCams recommends?
Guido@SPS:
I'm sorry, it was the wrong datasheet. The datasheet was for another car of the customer, which will be turbocharged.
This is the right sheet:
Best regards
Guido from SPS
iliasfyntanidis:
Thanks Guido!It makes sense now.Are you using the OEM oil pump and harmonic balancer with this engine?
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