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#83373 09/25/2007 2:01 AM | Joined: Mar 2000 Posts: 137 'Bolter | | 'Bolter Joined: Mar 2000 Posts: 137 | i am putting a flywheel on my 270 and need to know what marks to align up ?thanks mike | | |
#83374 09/25/2007 3:15 AM | Joined: Jul 2004 Posts: 5,708 'Bolter | | 'Bolter Joined: Jul 2004 Posts: 5,708 | Mike,
I'm not sure I understand the question, but I'm pretty sure the flywheel is keyed with a couple of dowels (or unevenly spaced bolts) to only fit ONE way, which would be the proper way. Does this sound right?
Stuart | | |
#83375 09/25/2007 5:02 AM | Joined: Mar 2000 Posts: 137 'Bolter | | 'Bolter Joined: Mar 2000 Posts: 137 | it has no dowels ,i did keep rotating flywheel and noticed it only fit in one position!i hope that is right? but was wondering w/the ball on the flywheel pointer is that tdc or what ? | | |
#83376 09/25/2007 5:37 AM | Joined: Jul 2004 Posts: 5,708 'Bolter | | 'Bolter Joined: Jul 2004 Posts: 5,708 | Mike,
Yes, the ball aligned with the pointer is TDC for #1 piston...this is your reference point when timing the engine with a light.
I think technically that the ball-on-pointer location is really several degrees before TDC, as this is a timing mark and not the actual mechanical top of the stroke for #1 piston.
Some flywheels have several marks, one is a timing mark while another is true TDC for #1.
I think I read this somewhere, but might be mistaken.
Stuart | | |
#83377 09/25/2007 6:33 AM | Joined: Dec 2006 Posts: 719 'Bolter | | 'Bolter Joined: Dec 2006 Posts: 719 | I ran into the same thing, one of the holes is slightly off from the others so you can only put the flywheel on the right way. Originally posted by atomarc:
I think technically that the ball-on-pointer location is really several degrees before TDC, as this is a timing mark and not the actual mechanical top of the stroke for #1 piston. Yep, thats it. At idle the timing is set so that the ball is on the marker. Should about 5 degrees before TDC, there is a line on the flywheel near the ball that is the actual TDC marker.
1956 GMC 370 dump " 'Tater "1970 VW Volksrod "the Black Bomber" 2007 Chevy Avalanche 2020 Jeep Cherokee Trailhawk, 2005 Harley Davidson FLHTCUI I dig all cars, old and new, whether they were hammered out of American iron, German steel, or Japanese tin cans. Being unable to appreciate them all is missing out on a world of great things.
But thats just MY opinion! :P
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