![]() Compression ratios listed in my original copy are DEAD WRONG according to Mahle!īut don't listen to me.I use my EARS more than my EYES during timing sessions. ![]() ![]() So, the timing light from their company should be good enough for your engine. They are the pioneers of engine ignition technology. Designed for precise tuning and diagnostic work. The first timing light in this list is from the MSD Ignition itself. Remember also - the factory timing settings are for distributors, that in most cases are not available, or no longer installed on most 02s these days.and who REALLY has stock compression pistons anyway? Most are either lower than stock US spec (tired)- or higher (carbon, Euro type).Interesting that the timing marks and flywheels are the same part number for all these cars (well 228mm and 215mm flywheel variations excluded) - yet the timing varies widely from any one of the (6-7?) distributors BMW used over the 1968-1976 range!)And it's ANYBODY's guess on Euro vs. Professional set initial and advance timing to obtain total timing and peak performance. Having done this on several 02s - I was a bit disappointed at the LACK of consistency in a few distributors (even fairly NEW ones!) Very bright display indicates: Tach (rpm) and degrees advance 2 and 4 stroke tachometer measures engine speed up to 9,999 rpm Detachable and replaceable cable set Designed for precise tuning and diagnostic work Accurate up to 9,000 rpm - brilliant xenon flash at all speeds. Its subsantial construction allows you to REALLY use this tool. The 112 has the timing advance function required for precise tuning and diagnostic work. You can use the adjustable units to actually GRAPH your current distributor's advance curve. This chrome timing light is built for heavy duty use.
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