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| Home > Help Needed / General Tech Chat > help.manifold gasket leak after hard driving | |||||||
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83 Posts Member #: 6003 Advanced Member |
29th Mar, 2010 at 06:59:31pm
i have changed 3 times gasket whithin 3 weeks. its really good when every time i just fit a new one, no leak. But after hard accelerate, the gasket on center exhaust port just blow off, and stat to leak. |
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 1424 Posts Member #: 2810 Formally spanner181187 Dublin, Ireland |
29th Mar, 2010 at 07:05:41pm
Take your manifolds off to check if the surfaces are flat. If not file them On 12th Nov, 2009 Paul S said:
I think Gary OS has taken over my role as the forum smart arse  On 30th Apr, 2010 Rod S said:
Gary's description is best |
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83 Posts Member #: 6003 Advanced Member |
29th Mar, 2010 at 07:11:59pm
On 29th Mar, 2010 GaryOS said:
Take your manifolds off to check if the surfaces are flat. If not file them i will have look tomorrow..and i have tried put second gasket at middle, but still blow off after a week |
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1424 Posts Member #: 2810 Formally spanner181187 Dublin, Ireland |
29th Mar, 2010 at 07:15:02pm
Thats just a bodge to be honest. Are the inlet and exhaust flanges the same thickness? On 12th Nov, 2009 Paul S said:
I think Gary OS has taken over my role as the forum smart arse On 30th Apr, 2010 Rod S said:
Gary's description is best |
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83 Posts Member #: 6003 Advanced Member |
29th Mar, 2010 at 07:27:49pm
On 29th Mar, 2010 GaryOS said:
Thats just a bodge to be honest. Are the inlet and exhaust flanges the same thickness? no, not same thickness. but i made half side of the washer a bit thiner to fit it |
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 9258 Posts Member #: 123 Post Whore Betwix Harrogate and York |
29th Mar, 2010 at 08:23:11pm
What gasket are you using? 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. |
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83 Posts Member #: 6003 Advanced Member |
29th Mar, 2010 at 08:38:14pm
the normal one before.but last time i put a turbo gasket on it , there are metal ring on it.. but i found the gap at middle is too big ,so i scissor this part from normal gasket ,and fit with the turbo gasket..but now the middle part is blowd off, but the turbo gasket is still good
On 29th Mar, 2010 wil_h said:
What gasket are you using? |
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9258 Posts Member #: 123 Post Whore Betwix Harrogate and York |
29th Mar, 2010 at 08:49:14pm
Well in my experience the turbo gaskets are unbustable (if that's a word).
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. |
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2497 Posts Member #: 1954 Post Whore Luton Bedfordshire |
29th Mar, 2010 at 08:58:16pm
The Original turbo gasket was metal on both faces and until last summer was like hens teeth to find.
Own the day
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 1745 Posts Member #: 375 Post Whore Leicestershire |
29th Mar, 2010 at 09:02:26pm
You want the one from minispares with the metal inserts on the exhaust ports! these give no problems with good head and manifold faces. Ron |
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