replacement of valve stem seals and springs for mazdaspeed 6
I would have asked if anyone has experience with this? How many hours of work does it take approximately? I was thinking of cleaning the valves of deposits at the same time and wondering if it would have been a good idea to replace...
revs fly between +-300rpm after acceleration when shifting to neutral. and this will end in a moment. this only happens occasionally, not every acceleration. already done this when the car was completely standard. driven approx. 190,000 miles droven car. No CEL.
Also it smokes like a chimney...
I visited my local tuning shop and asked about ECU tuning but they saId that they've tuned lots of MPS3 / 6'es and they warned that some of the cars engine rods have been failed and they didn't recommend any tuning to ECU.
They stated that they did get approx 400hp out of the engine before the...
Where's the leak and how difficult it is to fix? Oil looks quite clean. Sometimes I get smell of burning oil in the cabin after fast acceleration aswell. Oil seems dripping from that black rubber aluminum block part.