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Which Adjustable pushrods??

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Old Oct 25, 2011 | 09:59 AM
  #11  
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What's wrong with the SE kit? (p/n 18404-08)? I plan on using those for my 103" conversion this winter along with the SE lifters (p/n 18572-07).
 
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Old Oct 25, 2011 | 10:23 AM
  #12  
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Originally Posted by harley_jeff
What's wrong with the SE kit? (p/n 18404-08)? I plan on using those for my 103" conversion this winter along with the SE lifters (p/n 18572-07).
When the 18404-08 pushrod kit came out, there were some issues with the quality of the jam nuts. Some broke when they were tightened and some developed hair line cracks from the inside and came loose. I speak from personal experience having had one break and two come loose. However, from what I hear and read now, the problem has been addressed. I am running a set of SE pushrods in my 107" but I replaced the jam nuts with some G8 nuts machined to the same wrench size and thickness of the SE nuts. If you want the source, I can post it. Plenty of guys running the SE units with no issues.

I would pass on the SE lifters; the OEM lifters work pretty well. The better aftermarket offerings are the Woods, HQ Black Ops and CompCams VThunder. Some are running small block Chevy lifters as well.
 
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Old Oct 25, 2011 | 11:02 AM
  #13  
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Originally Posted by djl
When the 18404-08 pushrod kit came out, there were some issues with the quality of the jam nuts. Some broke when they were tightened and some developed hair line cracks from the inside and came loose. I speak from personal experience having had one break and two come loose. However, from what I hear and read now, the problem has been addressed. I am running a set of SE pushrods in my 107" but I replaced the jam nuts with some G8 nuts machined to the same wrench size and thickness of the SE nuts. If you want the source, I can post it. Plenty of guys running the SE units with no issues.

I would pass on the SE lifters; the OEM lifters work pretty well. The better aftermarket offerings are the Woods, HQ Black Ops and CompCams VThunder. Some are running small block Chevy lifters as well.
Thanks for the history, but for a future purchase of the 18404-08 lifter kit, since they are good to go after a redesign, then I am satisfied.
 
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Old Oct 25, 2011 | 12:09 PM
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Originally Posted by harley_jeff
Thanks for the history, but for a future purchase of the 18404-08 lifter kit, since they are good to go after a redesign, then I am satisfied.
Just pay attention when you are adjusting. When I had my problems, I could feel the nut crack just before it was tight; I felt it give. Not trying to discourage you but who knows if all the early kits have been sold and are out of circulation. Another precaution is the judicial use of red Loctite between the jam nut and the bottom flat of the pushrod. Run the jam nut up until there is just enough room to get a toothpick between the jam nut and the bottom flat of the pushrod and apply a drop of red Loctite and then tighten; just a little insurance.
 
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