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Location:
Lost in the K hole
Registered:
May 2002
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Re: Ed's ghetto spec high lift cams
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Sun, 23 February 2003 11:10
 
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| gianttomato wrote on Sun, 23 February 2003 21:16 |
What is the under bucket shim resting/loaded against?
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the underside of the bucket has a small flat 'nipple' who's machined face usually interfaces with the stem of the valve. the face of this nipple sits about .25mm proud in the roof of the bucket. the UNDER shim would sit between the machined face of said 'nipple' and the valve stem immediately beneath it.
thus, in a completely 'unloaded' situation, the shim could potentially rock ever so margianlly from side to side. i doubt this would happen thou, as the shim sits ever so snugly within the side walls of the bucket. nishad just raised this issue - re making sure the valve stem has somthing square and stable to interface with to prevent deflection of the stem during load cycles.
i could potentially use that loctie high temp, high strength epoxy to bond these UNDER shims into place (thats extreme, but an outside option none the less). i have to go see how possible it is for the UNDER shim to deflect.
| gianttomato wrote on Sun, 23 February 2003 21:16 |
Just wonder if having the bucket sitting out of its bore by 2 mm more might result in a slight increase in the bucket rocking, with greater wear/ increased propensity for the shim to spit? Just wondering...
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thats a point. but hopefully ill be able to make a gentle, long dur, lower lift profile that can help avoid shim spitting issues.
even being 2mm extra out of the hole, there is still a LOT of bucket still in the bore. hopefullt this will resits rocking a bit. (and theyre in ex condtion atm - very little existing wear)
cheers
ed
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| | Subject | Poster | Date |
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cam grind and bucket/shim assembly ...
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ed_ma61 | Sun, 23 February 2003 09:45 |
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Ed's ghetto spec high lift cams
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gianttomato | Sun, 23 February 2003 10:16 |
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Re: Ed's ghetto spec high lift cams
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ed_ma61 | Sun, 23 February 2003 11:10 |
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Re: Ed's ghetto spec high lift cams
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gianttomato | Sun, 23 February 2003 12:05 |
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Re: cam grind and bucket/shim assembly ...
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ed_ma61 | Sun, 23 February 2003 10:35 |
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Re: cam grind and bucket/shim assembly ...
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gianttomato | Sun, 23 February 2003 10:39 |
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Re: cam grind and bucket/shim assembly ...
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TA22-3SGTE | Sun, 23 February 2003 12:42 |
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Re: cam grind and bucket/shim assembly ...
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ed_ma61 | Sun, 23 February 2003 12:50 |
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Re: cam grind and bucket/shim assembly ...
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ed_ma61 | Sun, 23 February 2003 12:43 |
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Re: cam grind and bucket/shim assembly ...
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gianttomato | Sun, 23 February 2003 14:01 |
