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See previous post.
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Quote:
Confusing to some is that in a 911, cylinders 1 and 4 are paired cylinders. If one piston is at TDC, compression stroke, the other piston will also be at TDC, but on the exhaust stroke. On all 4-stroke cycle engines, the following method determines physically paired cylinders: Firing order: 153624 (a firing order used on some 6 cyl. engines) 1-5-3 6-2-4 The paired cylinders on the above engine are 1-6, 5-2 and 3-4. Try the above formatting with the 911's firing order of 162435 As for which method is faster to identify TDC-compression: a) Confirm compression on cylinder no. 1 (or no. 4 as above).... or b) Remove valve cover and confirm slack in the valve train (intake and exhaust) for no. 1 cyl. .... it depends on what's easier/faster/more convenient to perform. YMMV. Hope this helps, Sherwood |
I for sure did the easiest way by confirming compression on 4 and lining up spark plug wire 4 with rotor
Thanks for confirming my method was ok |
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