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Are aluminium oil filler caps safe?

IM-32-FK

By IM-32-FK,
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IM-32-FK Mentor

IM-32-FK

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I want to get those fake replica nismo aluminium oil filler caps from eBay but I’m a bit weary on them. Do you think they can hold up to the oil pressure from engine? I mean if oil pressure gets high enough wouldn’t it start leaking or even worse, blow straight off? There’s also the problem of threading when putting it on and off.

its just purely for asesthic reasons why I want one but I’d like to hear some thoughts and opinions on them

thanks

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tridentt150v Grand Master

tridentt150v

Posted
Posted

And considering that the original cap is plastic...……..well how much pressure do you think plastic would take in comparison to alloy?

I've got a half piston type anodised blue one with Tomei on it, and its harder to undo than the factory one cos there is no grip on it.  Sometimes I have to use a screwdriver in the fake gudgeon pin hole to start it.  I always tell myself that one day I will dig the factory cap out and use it, but I never seem to....maybe its the bling?

 

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IM-32-FK Mentor

IM-32-FK

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Posted (edited)

Is the correct dimension 6cm diameter , 3.1cm height and 32mm thread 

or

5.7cm diameter, 3.2 height and 32mm thread

 

thanks it’s for rb25det neo

Edited by IM-32-FK

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