***Advice Needed***Alfa 147 2.0 TS High Compression Pistons - Alfa Romeo Forum
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(Post Link) post #1 of 5 Old 10-01-19 Thread Starter
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***Advice Needed***Alfa 147 2.0 TS High Compression Pistons

Hey All,

Need your advice,
I'm considering to upgrade the factory pistons to Wossner High Compression Pistons 1:12.6 (factory pistons are 1:10), in my Alfa 147 2.0 TS.

Does anyone here had experience with such process?
Is there any additional parts will be needed to upgrade in order that to run properly ?
Are there any reliability issues expected with running the TS engine with such pistons?

Thank You
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what other work has been done to the engine
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(Post Link) post #3 of 5 Old 12-01-19 Thread Starter
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Originally Posted by maxiboy wales View Post
what other work has been done to the engine
Nothing.
Everything is stock at the moment

Thank You
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Are you rebuilding anyway... just high cpmpression pistons alone would give approx 5% acrossthe rev range not a massive gain for a large outlay... me .. breathing mods then cams and then ported head before touching the bottom end of the engine unless doing it anyway
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IMHO if it revz to higher rpms is better with higher lift camshafts
Catcams or Pipercam or other too does it

and do a rebuild for the bottom too
with new bearings and a new oilpump
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