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Registered
Join Date: Oct 2017
Location: houston, texas with Enzo SPCA # 8995
Posts: 486
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Basic engine timing
I'm pretty confident that I got this right, but just want confirmation, as what I've observed in contrary to some handwritten notes. '74 US Carrera. As viewed from the rear of the car, the engine spins Clockwise, as does the rotor on the distributor. Correct?
My crank pulley has, for reasons that I don't understand, 2 sets of 2 hash marks, each One set does have a stamping that I believe says "1" and "5". These marks comport with TDC and 5° ATDC, and the rotor is pointing to the #1 position on the baseplate, when they align with the single mark on the fan housing.
However, there is a second set of marks, with no visible stamping that i can see, that come up before the previously mentioned marks. I've enclosed a photo.
The red arrow points to the marks that I believe indicate TDC and 5°, the encircled marks are the ones in question. Any idea what these reference? And, is my understanding of the engine direction, etc. correct? thanx steve
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Steve Meltzer
'69 911E/bastard
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