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Showing results for tags 'Mk III'.
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Well it's been a while since I posted anything substantial, so for those of you who know me, and have followed my past technical adventures, you will know I'm a bit of a nutter for mechanical finesse, and in the quest for a VERY strong engine, with a stock level of mechanical 'noise' I.e. no rattely noises at all, I am just in the process of completing my latest engine project for my '02 BA XR6T (the one with the ZF 6 speed). I thought I would share what I have been doing, for those of you interested in the technical aspects of the engine building process. New engine is built with the following modifications over stock BA: Head machined and vacuum checked BF Cams Titanium Valve Spring Retainers Harder Valve Springs Stainless single groove race Exhaust Valves Heavy Duty Cam Chain Hardened Cam Chain Gears Heavy Duty Chain Tensioner Modified Oil Pump with Billet Gears and larger passages Engine Block checked for wall thickness and tunnel straightness, machined and bored to proprietary tolerances Crank checked and oil passages radiused Cosworth Forged Pistons Heavy Duty Billet Con Rods (998kw rated) Race Bearings Heavy Main Bearing Brace Crome Moly Heavy Duty Flexplate and ARP bolts I am building engine myself, but all performance parts have been supplied by Atomic, so thanks to Brad for his help with getting this together. I hope to get the time over the next few weeks to change the engine over with my current unit, which last we dynoed it, ran 363 rwkw, and hasn't missed a beat, but the Mahle pistons are not 100% quiet at the tolerances I used for that engine, so here's hoping the next one does the trick......
