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Exhaust valve rotators?

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Pete (Fl)

06-23-2014 14:34:33

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Hello all. I'm rebuilding a 51 with adjustable lifters. I had ordered a TISCO kit with all the valves, springs, guides, keepers... anyway, new valve spring retainers not cupped out on exhaust valves for rotators, do I need them?

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Pete (Fl)

06-25-2014 15:49:26

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 Re: Exhaust valve rotators? in reply to Pete (Fl), 06-23-2014 14:34:33  
Thanks to both of you! I have the new style in, don't know if they will work any better, will keep you posted.

thanks, Pete

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06-24-2014 05:42:50

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 Re: Exhaust valve rotators? in reply to JCinKY, 06-23-2014 14:34:33  
You are going to have to go one way are the other there's NO swap'n parts...

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Pete (Fl)

06-23-2014 17:06:13

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 Re: Exhaust valve rotators? in reply to Pete (Fl), 06-23-2014 14:34:33  
Thanks Dean. My old valves had the cupped spring retainer with no rotator, just had the wedge style keepers in them witch made them loose. Would like to know if I could put the rotators in with my old retainers... I think that they would help?

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06-24-2014 05:19:41

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 Re: Exhaust valve rotators? in reply to Pete (Fl), 06-23-2014 17:06:13  
A 51 would have had OEM exhaust valve rotators originally.

Apparently someone discarded them during a previous rebuild.

Not uncommon.


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06-23-2014 15:19:38

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 Re: Exhaust valve rotators? in reply to Pete (Fl), 06-23-2014 14:34:33  
I kept them in both of my 8Ns (51 and 52) but most do not because there are few machinists that know how to set them up and will take the time to do so.


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