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Home > Help Needed / General Tech Chat > Leaky inlet/ex gasket

b12

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Kent/Surrey Borders

19th Jul, 2004 at 02:10:13pm

My idle is very up and down; and It does not wanna idle less than 1200 rpm ;

I did notice a leak on the gasket ; espically when the car runs on when I switch it off; it puffs from around the gasket

I know its a silly question ; having a small leak here is not ideal; and will prgressivly get worse ; but

1) Will it make a big diff. to performance ?
2) Can you change this gasket without taking the carb etc etc off?
I was thinking along the lines of rocking the engine formward on the mounts to try and create enough space to slip the new boy on ?

TurboLessTosser

wil_h

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Betwix Harrogate and York

19th Jul, 2004 at 02:55:51pm

Are you talking about the manifold Gasket?

If so, it should be easy to take the whole manifold and carb off as one unit to change it.

Wil

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



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.


turbodave16v
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SouthPark, Colorado

19th Jul, 2004 at 03:38:21pm

1200rpm tickover is more likel to be the fault of the poppet valve on the buterfly - assuming the choke fast idle screw is set right...

On 17th Nov, 2014 Tom Fenton said:
Sorry to say My Herpes are no better


Ready to feel Ancient ??? This is 26 years old as of 2022 https://youtu.be/YQQokcoOzeY



b12

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Kent/Surrey Borders

19th Jul, 2004 at 03:51:30pm

TD I though it had to be the poppet valve
we set the idle mixture to about 2.5 ; but we could no nothing to get the idle speed down ; It hunts as well ;
Do you still think poppet valve ( i should really block it off shouldnt I or chnage the butterfly )


TD what did you think of my Rroad print outs .... not bad is it ? for a starting point ???????????????

Steve

TurboLessTosser

iain
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Sold the turbo and seeing what the C20XE can do!

Near Lincoln

19th Jul, 2004 at 03:58:48pm

id get a new one, cant cost much from burlen.

if your thinking of getting a few bits i can get you a price for just a buterfly, postage from them is usually very sensible.

ive got a carb rebuild kit if your interested that includes a plain butterfly. Not sure if you need to rebuild the carb but if i hasnt been done then its well worth while.
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