Knowledgebase:
If purchase stroker kit 1 for L67 can it still (swap) get the lower compression pistons for higher boost. (12-16+psi) Instead of the normally supplied ones?
Posted by on 21 April 2018 08:11 AM
The compression ratio available with the entry level stroker kit is around 9.0:1

While it's higher than factory, the fact that the engine capacity is being increased means that the boost pressure will drop due to the limited capacity of the M90 supercharger. Therefore the slightly higher compression ratio from theĀ factory (up from 8.5:1) works out well

However, unless you had your heart set on going with a stroker setup, I wouldn't go down that path unless you were planning on upgrading the blower at some stage, due to the limited capacity of the M90 supercharger.

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