1600 = 5 atdc
Intake Valve open 64 Degree BTDC and closes at 34 Degrees BTDC. Exhaust valve opens at 36 or 37 Degree's ATDC and closes at 79 Degrees ATDC
Arbitrary Time-Dependent Current
10 degrees btdc with spout connector unplugged.
it is 12 atdc for the 88, I assume they are the same
45 degrees After Top Dead Center.... used in terms for motor cylinder timing...ports (exhaust,transfer,etc)
45 degrees After Top Dead Center.... used in terms for motor cylinder timing...ports (exhaust,transfer,etc)
19 degrees BTDC, + or - 1 degree at WOT. Around 4 degrees ATDC idle timing.
5 deg atdc --------------------------------------------------------------- Motorcraft.com shows the timing on a 1986 Ranger 2.3 L as 10 degrees BTDC
With a timing light of course. Your crank pully should have 2 marks on it, the first mark is for the leading plugs and is 5 degrees AFTER top dead center (atdc) and the second mark is for trailing and is 20 degrees AFTER top dead center (atdc). Your 85 should have vacuum advance on your distributer, be sure to unplug the vacuum line and cap it off while stetting your timing. Trust me when I say, use only your timing marks, playing with your timing on rotaries causes all sorts of problems
After disassembling to expose timing belt, look for TDC and ATDC timing marks. Align them, allowing 43 centimeters. Set BTDC mark in like manner.
TDC is 0 degrees TDC, not 10 degrees BTDC which is before top dead center. ATDC is after top dead center. Both of these in relation to piston height are "below top dead center".