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1948 - 1956 F1, F100 & Larger F-Series Trucks Discuss the Fat Fendered and Classic Ford Trucks

Rebuilt 239 Break-in

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Old Oct 2, 2022 | 04:19 PM
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55RoundTwo
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Rebuilt 239 Break-in

Everything finally came together yesterday to fire up and break in my rebuilt 239. Break-in was 30 minutes at 2500-2700 rpm. Pretty sure I held my breath for the entire time. So many questions answered in that half-hour session. Whew! Glad to be done with THAT!

 
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Old Oct 2, 2022 | 06:58 PM
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Hey , Scott. That's good news. But I couldn't open the file. I think you have to put it on YouTube first. Then give us the link.
 
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Old Oct 2, 2022 | 07:10 PM
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Hi Abe - yeah, I wasn’t sure how that worked for videos. Turns out that it doesn’t lol. I’ll try the YouTube link thing. But I think you could probably download the files and run them on your PC? These are the same vids I posted on Facebook, so there’s that, too.

P.S welcome back - I’m looking forward to Truckstock pics!
 
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Old Oct 2, 2022 | 10:44 PM
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I see you posted a YouTube link. And I just now found your videos in my downloaded files.

Anyhow, it sounds great!
 
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Old Oct 3, 2022 | 10:43 PM
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I've always broken in engines by doing varying speeds under load to seat the rings.

Kirk
 
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Old Oct 3, 2022 | 10:51 PM
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HT32BSX115
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Originally Posted by KirkF
I've always broken in engines by doing varying speeds under load to seat the rings.

Kirk
I think this "break-in" is more about the flat-tappet cam than the rings.

 
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