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mattsmadmini
PostPosted: Wed Oct 17, 2012 3:40 pm 
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Milatsmadmini
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How much is too much?

i just replaced the spring for my relief valve... started cold it shot up to 92pounds... turned it off after 10seconds as that is close to the end of my gauge... lol obviously that would go down after a while, but i think for the sake of a couple of dollars to snip 1 or 2 turns off the spring?

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drmini in aust
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PostPosted: Wed Oct 17, 2012 3:43 pm 
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Snip 3mm off and grind it flat, put that end outwards (not against the ball).
Mine runs about 95psi cold and it soon falls back to 75.
I like 70psi hot (what Cooper and S are supposed to run at).

The reason it's high now is the 9/16" ball compresses the spring more than the plunger did.

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mattsmadmini
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PostPosted: Wed Oct 17, 2012 3:44 pm 
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drmini in aust wrote:
Snip 3mm off and grind it flat, put that end outwards (not against the ball).
Mine runs about 95psi cold and it soon falls back to 75.
I like 70psi hot (what Cooper and S are supposed to run at).

The reason it's high now is the 9/16" ball compresses the spring more than the plunger did.


3mm or 3 coils?

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“A turbo: exhaust gasses go into the turbocharger and spin it, witchcraft happens and you go faster.” - Jeremy Clarkson
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drmini in aust
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PostPosted: Wed Oct 17, 2012 3:45 pm 
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3MM!!! :shock:

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R. :mrgreen:
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mattsmadmini
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PostPosted: Wed Oct 17, 2012 3:45 pm 
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Thanks Kev :lol:

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“A turbo: exhaust gasses go into the turbocharger and spin it, witchcraft happens and you go faster.” - Jeremy Clarkson
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mattsmadmini
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PostPosted: Wed Oct 17, 2012 3:57 pm 
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Location: the inner west of sydeney!
ok 3mm(ish) or 1 coils worth, back in, start cold is 70pounds, will see how this pans out after a spirited drive :)

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“A turbo: exhaust gasses go into the turbocharger and spin it, witchcraft happens and you go faster.” - Jeremy Clarkson
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