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Home > General Chat > cam follower/ lifters question | |||||||
![]() 54 Posts Member #: 2819 Advanced Member south east, Melbourne, Victoria, Australia |
18th Nov, 2014 at 06:59:13am
there is a bit of a debate on lifters/cam followers on another mini forum.
everybody likes free stuff |
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![]() 12307 Posts Member #: 565 Carlos Fandango Burnham-on-Crouch, Essex |
18th Nov, 2014 at 09:01:54am
no radius, that spunds bad.
On 28th Aug, 2011 Kean said:
At the risk of being sigged... Joe, do you have a photo of your tool? http://www.turbominis.co.uk/forums/index.p...9064&lastpost=1 https://joe1977.imgbb.com/ |
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174 Posts Member #: 9128 Advanced Member |
18th Nov, 2014 at 10:08:05am
Ring Minispares North and ask if the new ones are ready yet. There looking in to having them made, but weren't available last time I was there. |
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510 Posts Member #: 1592 Smart Guy! mainland europe near ze germans |
18th Nov, 2014 at 10:09:19am
AFAIK a it is a 90 inch radius ( LR wheelbase ) so it is neigh on flat and pretty hard to check.
Edited by Sir Yun on 18th Nov, 2014. That sir, is not rust, it is the progressive mass reduction system
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![]() 10022 Posts Member #: 1456 Mongo Barnsley, South Flatcapshire |
18th Nov, 2014 at 10:26:08am
Interesting! If something is worth doing, it's worth doing half of. |
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![]() 3673 Posts Member #: 9300 Post Whore Quarry Bonk |
18th Nov, 2014 at 10:59:21am
KC posted some pictures up on his Facebook, he said he would get a stock and start selling the reground followers at some point. On 26th Jan, 2012 Tom Fenton said:
ring problems are down to wear or abuse but although annoying it isn't a show stopper On 5th Aug, 2014 madmk1 said:
Shit the bed! I had snapped the end of my shaft off!! 17.213 @ 71mph, 64bhp n/a (Old Engine) |
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![]() 2909 Posts Member #: 83 Post Whore Glasgow, Scotland |
18th Nov, 2014 at 01:00:27pm
i wonder how close you'd get to that radius hand lapping in a circle on some wet and dry :) turbo 16v k-series 11.9@118.9 :)
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![]() 696 Posts Member #: 10034 Post Whore Birmingham |
18th Nov, 2014 at 08:22:44pm
What does the radius do? Is it concave or convex? |
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![]() 12307 Posts Member #: 565 Carlos Fandango Burnham-on-Crouch, Essex |
18th Nov, 2014 at 08:54:42pm
Probably would work well.... bet it'd take 6.022×10²³ years though...
On 18th Nov, 2014 evolotion said:
i wonder how close you'd get to that radius hand lapping in a circle on some wet and dry :) On 28th Aug, 2011 Kean said:
At the risk of being sigged... Joe, do you have a photo of your tool? http://www.turbominis.co.uk/forums/index.p...9064&lastpost=1 https://joe1977.imgbb.com/ |
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![]() 12307 Posts Member #: 565 Carlos Fandango Burnham-on-Crouch, Essex |
18th Nov, 2014 at 09:05:23pm
tapets and cams are a pretty complicated thing, the cam is ground tapered and ofse slightly so the follower rotates as it lifts so it wears evenly, the convex shape of the follower matches the taper of the cam... or somthing like that.
On 18th Nov, 2014 PhilR said:
What does the radius do? Is it concave or convex? On 28th Aug, 2011 Kean said:
At the risk of being sigged... Joe, do you have a photo of your tool? http://www.turbominis.co.uk/forums/index.p...9064&lastpost=1 https://joe1977.imgbb.com/ |
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109 Posts Member #: 10368 Advanced Member Australia |
18th Nov, 2014 at 11:24:40pm
there are probably a couple of things worth checking here. Firstly are the cams ground with a taper.... reason being for roller lifters taper is not as essential... and not many flat tappet engines still going around ..secondly is the matching conical taper on the tappet, and if you put the tappet faces into the light you can discern a swirl /slope effect if correct... the ones i have checked are indeed FLAT , and therefore not good. Lastly what is the stardard practice in rebuilds... is this yet another part that needs to be checked modded before fitting.. even though it was made to comply??? |
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