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Old 03-23-2021, 04:32 PM   #1
YEG850i
1st Gear Newbie
 
Join Date: Mar 2021
Location: Edmonton
Posts: 2
LF custom forged Piston company



Hello,

Im looking for a Canadian company that makes custom forged pistons, rods and cranks. I have a 1991 BMW 850i 5.0L V12 that has a head gasket leak and a TON of blow back in the cylinders so the entire engine needs to be rebuilt. Since it will be taken a part anyways, I figured I'd upgrade some of the internals so it can accommodate a twin turbo set up so I need some custom parts made so I can boost my car.

im looking to increasing the bore from 84mm to 85 or 85.5mm so I will need new pistons and rods. looking at keeping the compression ratio the same at 8.8:1 or possibly go lower to 8.6:1 so I can be better boosted.

While the engine is a part Im looking to change the crank from the factory 75mm to a 86mm billet steel crank. This again likely will have to be custom made as there doesnt seem to be very many aftermarket cranks available for this vehicle.

Next thing I'm looking to do is change the cams as well. Schrick makes a nice 264 cam but again, its difficult for me to find anyone that sells this cam in Canada and likely will have to go overseas or to the US to buy it.

Im hoping there is a Canadian company out there that makes custom forged pistons, rods and crank. If there isnt a Canadian company that anyone knows of, does anyone have a suggestion for a good American company that has great success with BMW or m70 forged parts? www.pureperformancemotorsports.com out of Australia does in fact make all of these parts, (forged pistons and rods, crankshaft and performance cams) but im afraid the shipping along with duties is going to be hefty.

Let me know if anyone has any better ideas or options and suggestions. Looking forward to hearing from you guys.
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