Hi there, I'm wondering wether the displacement still is 2.0 or not? If so, why didn't you upgrade to a B234R? Thanks!

@@pierrecolombo4654 2.0. Short stroke for easy RPM and less torque

Not sure I agree with the execution here. Obviously you need good Oil pressure, but many good engine builders will always attest that a good ''Oil flow'' is as important as Oil pressure. I.e.- 4 bar Oil pressure with very good flow to all feeds, at max rpm, is much better than 6 bar pressure and poor flow due to flow path restrictions. If you delete the Oil feeds to the 'balance shaft bearings correctly' when removing them, so there is no 'bleed' off in pressure then removing the balance shafts when done correctly should increase pressure and also flow. Purely on the basis that you have reduced oil outlets and therefore the pumping flow rates and oil pressure will be the same at the pump as before, but the flow and pressure will increase slightly due to there now being less outlets. Personally I would have gone the other route, and deleted any oil pressure relief valve and opened out the feeds furthest from the 'pumping source' being cam feeds and allowed any excess pressure to feed the top end where pressure and flow is most needed, especially on long radius bends etc. Most engine seals are good to 6 / 7 bar +, so by deleting the balance shaft feeds, correctly, and then slightly opening up the top end feeds, getting much above 5/6 bar at full chat will be almost impossible, and you have very good flow rates with more than enough oil pressure. And if going for big numbers then 'line boring' the mains would be advantageous and would also take a little more oil flow and pressure, when deleting the Oil pressure relief valve.

You have ignored the issue of return flow, if you feed oil into the head at a high enough rate you can effectively lower the oil level in the sump and blow the motor. You dont want "more" pressure or flow, you want adequate pressure and flow.

ARP head studs and main studs

​@@RHBTurbochargers any chance you got the ARP part numbers for mains and head. Cheers pal.

This has been on the todo list!

Because stock pistons don't cost anything, the spares don't cost anything, and they work. Available forged pistons aren't much lighter.

Only have pics unfortunately. Might make a slideshow video of the process

To reduce oil flow to the head back to normal levels because of the raised oil pressure

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