Replace flywheel or Helicoil?
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Lead Driver
Joined: Aug 2003
Posts: 6,305
Likes: 18
From: Boulder Creek, Ca
Replace flywheel or Helicoil?
1965 F100, T18 floor shift, 1968 Mustang 302, flywheel C5AE-6380-E , I believe is off a 70 Torino?
In the process of replacing clutch component on the 65 with 4 speed (T18) and I found 2 of the 6 flywheel retaining threads that secure the pressure plate to the flywheel are stripped.
Appears I may have a couple of options:
1) replace the flywheel; if available?
2) Take flywheel to reputable shop and have heli-coil installed on the effected 2 thread? Not familiar with 'helicoil' process but would seem that with a torque value of 18-24 this may be a viable option?
Commemts and or suggestions appreciated!!
In the process of replacing clutch component on the 65 with 4 speed (T18) and I found 2 of the 6 flywheel retaining threads that secure the pressure plate to the flywheel are stripped.
Appears I may have a couple of options:
1) replace the flywheel; if available?
2) Take flywheel to reputable shop and have heli-coil installed on the effected 2 thread? Not familiar with 'helicoil' process but would seem that with a torque value of 18-24 this may be a viable option?
Commemts and or suggestions appreciated!!
Fleet Owner
Joined: Jan 2004
Posts: 26,007
Likes: 575
From: Brentwood,CA
Just drill them and use a helicoil coil. As long as you use numbered and not fractional drill bits you will be fine and it should be installed below the top surface with red lock tight. I also suggest the edge be penned to prevent back out. That's how I have always done them with no issues.
More Turbo
Joined: Jan 2011
Posts: 620
Likes: 48
Heli-coil will hold the same torque as original thread. I have installed many in various applications mostly sparkplugs over the years.
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Thread Starter
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Lead Driver
Joined: Aug 2003
Posts: 6,305
Likes: 18
From: Boulder Creek, Ca
Faced with dilemma, cost of purchasing tools to make repairs, and/or whether I have the experience to accomplish either drill new threads or heli-coil, imagine it would also require drilling the holes in the pressure plate. I did come across a possible used replacement at a reasonable price, the items has the same part number but I am not clear if there are features I need to confirm before deciding since seller does not accept returns.
Thank U's all, appreciate the comments and suggestions
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Thank U's all, appreciate the comments and suggestions
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Thread Starter
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Lead Driver
Joined: Aug 2003
Posts: 6,305
Likes: 18
From: Boulder Creek, Ca
Took the flywheel to machine shop today and had them install the 2 Heli-coils. Apparently my backyard mechanic attempt to tap the 2 threads while the flywheel was installed presented a problem in that I tapped them off center. The shop corrected for my stupidity by cleaning up the 2 effected thread, taped all 6 threads, and surfaced the flywheel at a reasonable price. Now a matter of waiting for a break in the rain for my 3rd attempt at installing the trans.
Appreciates U'alls comments and suggestions, I thank you!!
Appreciates U'alls comments and suggestions, I thank you!!
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