Quote:
Originally Posted by amrazM
maybe reach out to some 944 guys. Im assuming MT isnt willing to bore and hone alusil at this point.
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Good call. Basically the oldschool 944 idea is to buy this gear to hone the cylinders yourself
https://goodson.com/products/an-30-silicon-compound
Based on the articles I can find about Alusil, it seems you can finish the cylinder walls on your own with the right hone and compound, and people have/do. You wouldn't be able to verify proper surface roughness without a $4,000 Profilometer, this step is really crucial to verify you have relieved enough aluminum to properly expose the silicone crystals. The way people get around that issue is by honing the cylinder for quite a while. Found some AMG guys with similar ideas. Cool to try if I was messing around with re-ringing used blocks, or refreshing a high mileage engine. The honing process will only remove extremely small defects and scoring, so I'll keep looking for shops
Interesting stuff regardless