Tag Archives: m20b28

Engine issues

My M20B28 started making loud high pitch noise. The pitch changed with RPM and seem to reduce under load. I thought it might be a loose belt or a shot bearing. Noise was located near the back of the engine. … Continue reading

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Engine in

Rear cover plated attached to block, sump bolted on and the flywheel on read to be bolted. The bolts need to be tightend up in a specific order and covered in loctite. Clutch back on the fly wheel Gear box … Continue reading

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Head on block

Final clean up and degrease of the head. Mmm shiny! Also double check that the cam pulley is turned to the timing mark on the head. Belt tensioner now also installed Head gasket placed on the block. Head placed on … Continue reading

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Bottom end assembly

2.8 crank installed in the block with new bearings, bolts are torqued up. Crank spacer in place Many hours later all the pistons are installed with new bearings, all moving parts have been given a coat of assembly grease – … Continue reading

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Parts!

New parts! Conrod bolts, main bearing shells, big end shells, water pump, cam belt and piston rings.

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Camshaft in and head assembled

Camshaft inserted New oil seal and o-ring for camshaft Rocker shafts and rockers on their way back into the head – the head needs to be propped up so there is room for the valves to open as the last … Continue reading

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Valves

Got the head back from the machine shop on Friday, they took 4 thou off to remove the warp:  Starting a bit of valve lapping 2 down only 10 to go! All the valves boxed up and ordered Throttle body … Continue reading

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Blue! And oil pump

Silver is so last month, so blue it is this time! We used red hamerite on the exhaust plugs and those didn’t discolour until we welded something on it – so it seams heat resistance enough! The hammered blue looks … Continue reading

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Piston this

Cleaned up all the pistons today, but manage to snap one of the piston rings in the proces – doh! Andy, the chap who came up with the conversion severl years ago has recommended I use the standard head gasket … Continue reading

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Finished the crank spacer

Spacer machine down to size, about 17.90mm with in 0.1mm of the original. Cam belt pulley test fit, this a very tight fit so it will need the "the tool" to get it back off again. As the M52 crank … Continue reading

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