06-17-2015, 10:53 PM | #1 |
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Join Date: Jun 2006
Location: Cape Cod, Ma.
Posts: 236
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#$%@! Bent Push Rods
Been too busy to spend much time tinkering with the 1966 GMC 2503 I bought last winter. I decided to have my mechanic see why she was running so rough. Figured it has to be the points. After all it only has a 305 v6 with only 13,000 miles.
A few days later I call asking if they have the motor out as a joke. He gives priority to peoples daily get to work vehicles over weekend toys (as he should) A couple days later he calls to tell me the motor may have to come out. The started with a compression test, cylinders 2 & 3 are flat zero and #1 is at 50 pounds. NOT what I wanted to hear. He stopped right there till he could talk to me. I was going to have him pull the valve covers and check for problems with the heads. I decided to not have him do that, I figured put that money toward a used engine or repairs. I brought my '66 home in abject defeat. I decided to pull the valve covers and look for a bent valve or other obvious damage. The push rod in #1 was a "S" and 3# was tweaked. Time to pull the heads.
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1966 GMC 1 Ton 305 V6 SM420 4 speed - retired Fire Dept Support Truck from Little Falls, NJ My GMC Photos |
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