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Home > FAQ / Knowledge > valve top caps

aquamini

11 Posts
Member #: 6009
Member

prestatyn n wales

Hi running alloy top caps on triple collet valves and a few people i know have recently dropped a valve guess what they are running...was.I have checked mine and don't like the look of them not one sitting the same!! so any info very gratefull which ones have you found to be good was looking at some titanium ones but £125 is a tad dear are the standard ones any good? many thanks in advance Jon.


PaulH

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1346 Posts
Member #: 2340
Post Whore

Dublin Ireland

If there the mini spares alloy top cap they only work with Single collet race valves, If you are runing a turbo then you will be running
Low ish spring presure so STD top caps are fine.

On 17th Feb, 2009 Rob H said:

I find the easiest way is to super glue the bolt to the end of one of my fingers.

______________________________________________________


Vegard

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7763 Posts
Member #: 74
I pick holes in everything..

Chief ancient post excavator

Norway

PaulH is spot on. Those retainers aren't designed for triple grooved valves.

On 13th Jul, 2012 Ben H said:
Mine gets in the way a bit, but only when it is up. If it is down it does not cause a problem.



wil_h

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9258 Posts
Member #: 123
Post Whore

Betwix Harrogate and York

Agreed, I broke a couple using the triple grooved collets. Take them off.

Fastest 998 mini in the world? 13.05 1/4 mile 106mph

www.twin-turbo.co.uk

On 2nd Jan, 2013 fastcarl said:

the design shows a distinct lack of imagination,
talk about starting off with a clean sheet of paper, then not bothering to fucking draw on it,lol

On 20th Apr, 2012 Paul S said:
I'm mainly concerned about swirl in the runners caused by the tangential entry.


BENROSS

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9812 Posts
Member #: 332
Resident Cylinder Head Modifier

Mitsi Evo 7, 911, Cossie. & all the chavs ...... won no problem

yes ditch the alloy top caps and fit standard top caps single or triple groved to suite your valves
the alloy ones look nice but at best are crap and many peeps have shed tears before bed time






aquamini

11 Posts
Member #: 6009
Member

prestatyn n wales

Thanks for the replys very gratefull,i am running supercharger 286 cam and 1.5 rockers so have been using isky springs had them lying about so thought i might aswell use them,i was going to buy some new ones but if the standard ones are up to the job? i will use them thanks

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