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Old Apr 18, 2023 | 09:21 AM
  #11  
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Originally Posted by tinymike66
OK...I best get then checked then
I've had everything done up to now... new everything, not worth changing it all on a guess
Thank you
Even if you Clay it... Won't hurt!! I would give up a bity of compression to run an AB... But if compression is severely compromised...Andrews Number 2
 
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Old Apr 20, 2023 | 09:20 AM
  #12  
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So I took heads in to one of our Pan/Shovel guys here in Toronto area Canada
he took them apart for me and did an inspect...valves were really thin, he said theyve been machined down ... guides need replacing.
so I told him to do everything needed new Valves, guides, springs etc etc.
he said he'll set them up so i an run an AB or A2 cam.

Question, are there any clearance issues or mods needed in the crank case to run either of those cams?
 
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Old Apr 20, 2023 | 04:28 PM
  #13  
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You just need to check lobe clearance around the bearing boss. Cam comes with instructions on how to do this,

I did mine with the bearing in place when I clearanced it, I put a top hat shaped steel bung in the bearing and a shitload of sticky grease all over and no swarf got into the bearing.
 
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Old Apr 26, 2023 | 07:36 PM
  #14  
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How about a Andrews a grind in a 81 80 inch totally stock with 8.5 compression ? That's what i am running and it seams to run great but i am just asking since we are on cam questions thanks
 
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