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Jul 21st, 2025 | | | | Joined: Oct 2014 Posts: 94 Shop Shark | | Shop Shark Joined: Oct 2014 Posts: 94 | Question...is it possible to mount the flywheel
out of its correct (timing) position?
ie; 120 or 240 out, (3 pins) | | | | | Joined: Feb 2004 Posts: 28,674 Kettle Custodian (pot stirrer) | | Kettle Custodian (pot stirrer) Joined: Feb 2004 Posts: 28,674 | If the 3 dowel pins are there, no. They are staggered so the flywheel only fits one way. I've heard of flywheels getting installed out of phase if the dowels get removed for some reason. I believe the bolt holes are evenly spaced, but not the dowel holes.
Jerry
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| | | | | Joined: Dec 2017 Posts: 1,609 'Bolter | | 'Bolter Joined: Dec 2017 Posts: 1,609 | That is a very interesting question and answer. In all the years I have been playing with these motors, I have always set the motor up to tdc for No. 1 and then installed the flywheel so I could see how much, if any, the bb in the flywheel was off with respect to the pointer on the bellhousing and to remark the flywheel. I never in 40 years had an occasion to install the flywheel out of phase so to speak.
Mike
| | | | | Joined: Oct 2014 Posts: 94 Shop Shark | | Shop Shark Joined: Oct 2014 Posts: 94 | Thanks guys,
Tim, actually my flywheel went on no problem first try,
I was just curious if it were possible.
On another note, you said "Maybe you have a flywheel that is missing a dowel or two",
I'm sure you know ...the dowels are actually on the crank flange. :-)
thanks again, this forum has been a tremendous help,
Jim | | | | | Joined: Sep 2001 Posts: 29,262 Bubba - Curmudgeon | | Bubba - Curmudgeon Joined: Sep 2001 Posts: 29,262 | Jim, I forgot where the pins/dowels are located. I just remembered that it was foolproof (for fools like me). Thanks  | | | | | Joined: Sep 2014 Posts: 385 Shop Shark | | Shop Shark Joined: Sep 2014 Posts: 385 | The BB should never line with the pointer anyways at TDC. I think the closest if ever got was 2 deg off was it not? | | | | | Joined: Sep 2001 Posts: 29,262 Bubba - Curmudgeon | | Bubba - Curmudgeon Joined: Sep 2001 Posts: 29,262 | Usually, the "BB" in the flywheel was the timing mark.
"Usually", because I think some years did not have a BB - just timing marks (one mark being TDC/UDC).
There were stovebolt six engines that timed at TDC.
Different years and different 216/235/261 engines could have timed before TDC, at TDC, or after TDC, depending on the year/equipment.
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