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Are the housings flat across the front or curved like the H6024?
Not flat but not quite as curved as the 6024 bulb. halfway in between but the glass is amazingly clearer.
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« Last post by bd on May 05, 2026, 06:40:58 pm »
That isn't normal for a 1975 vintage truck. Serpentine belts came on ca 1985 (?) and later vehicles to drive the alternator and water pump. The one imaged below may work, but is machined from aluminum making it pricey: https://www.summitracing.com/parts/mch-4021-08/make/chevrolet. In addition, a reviewer said it is smaller than the OEM pulley, although the manufacturer claims otherwise. With a little leg work and Internet searches you might find other brands that are steel and less expensive.
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« Last post by Rough75C20 on May 05, 2026, 05:54:29 pm »
Why does my truck seem to have a different style crank pulley? It seems to have a serpentine style belt in the front and two v style slots is this normal?
Thank you
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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!
Yeah, VZ is a true Star Wars nerd. He is an expert on the good, bad and real ugly when it comes to prequels, sequels and such. Often good movies are trashed when they add and change things.
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« Last post by 01txdmax on May 04, 2026, 07:46:30 pm »
I don't want a toolbox in the bed because I'll be hauling my Hobie PA14 in it, but I'd like to be able to secure some things in the bed generally speaking.
I like the hard tonneau covers for the perceived security they bring, but I can't find anything that fits in our 73-87 years.
Do you folks know anyone who makes a hard tonneau that folds up or comes off easily for these trucks? Ideally it would not be one of the early 1 piece fiberglass things.
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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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