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#45749 06/02/2005 3:39 PM | Joined: Dec 2004 Posts: 56 'Bolter | | 'Bolter Joined: Dec 2004 Posts: 56 | The flywheel on my '54 235 has a bead or dot for TDC, and small straight lines stamped into the flywheel on either side of the bead. Anyone know what those lines might mean in terms of degrees advanced, or degrees retarded? They're not more than an inch away from the bead. | | |
#45750 06/02/2005 7:14 PM | Joined: May 2001 Posts: 7,438 Extreme Gabster | | Extreme Gabster Joined: May 2001 Posts: 7,438 | I don't know how many degrees each mark is but according to Motors Truck Manual '54-'59 235s time on the ball and '60-'62 235s time on the first mark clockwise from the ball. | | |
#45751 06/02/2005 10:18 PM | Joined: Dec 2003 Posts: 2,733 Shop Shark | | Shop Shark Joined: Dec 2003 Posts: 2,733 | And still the best way to time the sixes is the way it was always done IMHO. By ear. Just run it as high as you can and not get a ping in high gear. | | |
#45752 06/03/2005 6:19 PM | Joined: May 2001 Posts: 1,904 'Bolter | | 'Bolter Joined: May 2001 Posts: 1,904 | Being pretty dumb about timing my old 235, I first centered a bolt hole in the flywheel within the bell housing hole on the driver's side. I thought the pointer had broken off. (Cletis knows me and knows this is well within my capabilities!) Finishing it off by ear and performance actually worked pretty well.
I now have some flat black paint on the flywheel of my '61 261 and a spot of white paint on the pressed ball. It sure is easier this way.
1948 3/4-Ton 5-Window Flatbed Chevrolet 34 Years. Now with a '61 261, 848 head, Rochester Monojet carb, SM420 4-speed, 4.10 rear, dual reservoir MC, Bendix up front, 235/85R16 tires, 12-volt w/alternator, electric wipers and a modern radio in the glove box.
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#45753 06/04/2005 4:03 AM | Joined: Dec 2004 Posts: 56 'Bolter | | 'Bolter Joined: Dec 2004 Posts: 56 | Thanks all. Still learnin' here. Still not sure if the pressed ball is where it oughta be timed, or if that's TDC. I've got it advanced some from the ball, and it sounds and runs good. But I'm thinkin' maybe I should have it advanced even more. | | |
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