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« Last post by Rough75C20 on May 04, 2026, 05:51:09 pm »
Thanks bd, I will be replacing everything.
Thank you
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« Last post by bd on May 04, 2026, 05:00:48 pm »
Be sure to pick up a dampener for your specific year, model vehicle, and engine so that the timing marks are correct (assuming the engine is original). The dampener and timing marks need to match. Replace the front crank seal too (it may or may not come with the new dampener). That pulley looks like someone beat on it with a large hammer. The resulting dimples have narrowed the groove, squeezing the belt. If you can find a proper replacement pulley, it would be prudent for the sake of belt life. In the meantime, don't drive it.
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« Last post by Rough75C20 on May 04, 2026, 04:42:58 pm »
Well I think you were right about the balancer I believe the noise was the rubbing on timing chain cover. I believe it’s the 6.75 inch diameter balancer. Do I need a new pulley as well? Also, where to get a new seal?
Thank you
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« Last post by zieg85 on May 04, 2026, 02:31:50 pm »
neither of my Squares are done so.... Happy Spring from the midwest!
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« Last post by bd on May 04, 2026, 01:25:01 pm »
For anyone interested, I've added a new section on mitigating cooling system electrolysis in the technical article, Basics: The Importance of Vehicle Ground.
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« Last post by bd on May 04, 2026, 12:12:38 pm »
Cool poster! The original Star Wars film was great fun with a spectacular opening sequence. Unfortunately, the bar was set too high for succeeding films. As is often the case, the impact on audiences by the initial movie was never matched, let alone surpassed. Little new was introduced and the plots were somewhat mundane in subsequent releases. One humble opinion among many.
HAPPY SPRING!
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« Last post by bd on May 04, 2026, 11:39:52 am »
The brush rides against the cancelling cam brass ring. The idea was whether the brush broke loose from the switch so that the back side (the wire terminal side) is grounding. Try this: With everything above the turn signal switch removed, connect the battery. If the horn honks the problem is physically limited to somewhere between the turn signal switch and the horn relay (e.g., the turn signal switch black horn wire is chafed to ground somewhere inside the column, the relay is faulty, etc). If the horn does not honk, with the battery still connected, assemble the upper column one-piece-at-a-time to determine when the symptom appears. Get the idea? The cause of the problem is simple, but easy to overlook, especially if assumptions are made.
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Wow, those are some nice bright lights in the you tube video on your original post. I have the original factory lamps and they are like a flashlight with bad batteries, dim and yellow. Though I wish ALL vehicles were still like lamps from the 70's because my eyes are sensitive to bright light. I think modern auto headlights are WAY to bright. Anyway, I may be getting some of those Hella's. Thanks...
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What a great time of year to start driving our classic trucks around without the threat of corrosive materials on the road. At least we're safe until about Nov/Dec. Enjoy the season!
MAY THE 4TH BE WITH YOU...
(i love this original movie poster)
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« Last post by MY1978 on May 04, 2026, 07:55:47 am »
With the battery connected, depress the brush a few times using your finger to see what happens.
Sooooooo, we are hoping the horn does, or does not, honk. Or will I honk because I will be shocked. 
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