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04-10-2020, 02:58 PM | #21 | |
Senior Member
Join Date: Apr 2018
Location: Mebane NC
Posts: 2,332
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Re: High compression head and timing?
Quote:
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04-10-2020, 03:55 PM | #22 | |
Senior Member
Join Date: Jul 2011
Location: Redondo Beach, CA
Posts: 5,817
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Re: High compression head and timing?
Quote:
But a couple of times on an uphill I have heard a little "ping' and I will retard the timing a little. So I set the initial timing with the lever all the way up a 5° ATDC, it gives me room. If I set the initial timing at 0° with the lever all the way up, you can not retard it if needed at full advance with the Phillips/Nu-Rex auto advance. Normally, I have the timing lever down a little, at 0°, and never touch the lever. I hope the makes sense. [QUOTE=Y-Blockhead;1872577]The timing lever for normal driving stays at 0° at idle. I should have "said the timing stays at 0° MOST of the time, not just at IDLE. Sorry for any confusion. Last edited by Y-Blockhead; 04-10-2020 at 04:09 PM. |
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04-11-2020, 09:24 AM | #23 |
Senior Member
Join Date: May 2010
Location: VA
Posts: 1,395
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Re: High compression head and timing?
Updated version:
To use with my 6:1 head, I made this little clamp from a 1/4" coupler nut and a setscrew. The opening was carved with a cutting wheel on my dremel and dressed up with a file. I shortened it and filed some off the top to let the spark lever pivot down to where it needed to be for full advance. After setting the spark with the lever up at TDC, I set the crankshaft at 28 deg BTDC, using the Nurex timing strip. Next, I installed the little clamp on the lower edge of the “window” that the lever swings through, then lowered the lever. To check, I put the crank at ~35 deg, then confirmed the points opened when I rotated the engine to the 28 deg spot. The price was right for the clamp! |
04-11-2020, 09:30 AM | #24 |
Senior Member
Join Date: May 2017
Location: Huntington Beach, Calif
Posts: 330
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Re: High compression head and timing?
I run a Mallory, but if running stock distributor...Bruce has a great solution there.
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