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Home > Beginners Tech > Mini turbo head gasket problems! | |||||||
7 Posts Member #: 9251 Junior Member |
22nd Sep, 2012 at 01:33:07pm
Hi all! very new to all of this.
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![]() 12307 Posts Member #: 565 Carlos Fandango Burnham-on-Crouch, Essex |
22nd Sep, 2012 at 01:39:29pm
the std BK450 gasket is fine, there were a few duff ones flating about a couple of years ago, but the current ones are good.
On 28th Aug, 2011 Kean said:
At the risk of being sigged... Joe, do you have a photo of your tool? http://www.turbominis.co.uk/forums/index.p...9064&lastpost=1 https://joe1977.imgbb.com/ |
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7 Posts Member #: 9251 Junior Member |
22nd Sep, 2012 at 01:42:09pm
ahh i see. Sorry if i sound stupid but how would i check the compression ratio? I know my boss has not fitted the boost guage yet so that is a concern of mine incase it was just boosting far too much. |
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9258 Posts Member #: 123 Post Whore Betwix Harrogate and York |
22nd Sep, 2012 at 01:49:26pm
Failures of the head gasket out of the side of the head are generally caused by a head incorrectly torqued down (too low) or something isn't flat.
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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![]() 12307 Posts Member #: 565 Carlos Fandango Burnham-on-Crouch, Essex |
22nd Sep, 2012 at 01:53:09pm
get hold of a syringe, stick somthing like an old CD on the head sealing it on with a smear of grease or vasaline, fill with liquid noting how much youve put in, you should be able to tell with in a cc how much the chamber holds,
On 28th Aug, 2011 Kean said:
At the risk of being sigged... Joe, do you have a photo of your tool? http://www.turbominis.co.uk/forums/index.p...9064&lastpost=1 https://joe1977.imgbb.com/ |
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![]() 12307 Posts Member #: 565 Carlos Fandango Burnham-on-Crouch, Essex |
22nd Sep, 2012 at 01:53:46pm
good call on the head torque too. On 28th Aug, 2011 Kean said:
At the risk of being sigged... Joe, do you have a photo of your tool? http://www.turbominis.co.uk/forums/index.p...9064&lastpost=1 https://joe1977.imgbb.com/ |
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7 Posts Member #: 9251 Junior Member |
22nd Sep, 2012 at 01:54:40pm
yea thats what we thought, but the head seemed to be fitted correctly.
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![]() 12307 Posts Member #: 565 Carlos Fandango Burnham-on-Crouch, Essex |
22nd Sep, 2012 at 01:58:10pm
its the std metro gasket, so any motor factors should suffice, On 28th Aug, 2011 Kean said:
At the risk of being sigged... Joe, do you have a photo of your tool? http://www.turbominis.co.uk/forums/index.p...9064&lastpost=1 https://joe1977.imgbb.com/ |
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9258 Posts Member #: 123 Post Whore Betwix Harrogate and York |
22nd Sep, 2012 at 02:09:21pm
Motor factors, ask for a BK450 or an AF470.
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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7 Posts Member #: 9251 Junior Member |
22nd Sep, 2012 at 02:23:21pm
ahh right i see. sure my boss checked the torque settings but will have to check. Will get it on a rolling asap after its back on the road again. Will come back to you when i know more! Thanks For the info |
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9258 Posts Member #: 123 Post Whore Betwix Harrogate and York |
22nd Sep, 2012 at 03:57:07pm
It's not an uncommon problem for torque wrenches to be inaccurate. I went through many head gaskets before I worked out mine was 10lbs out. 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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![]() 9812 Posts Member #: 332 Resident Cylinder Head Modifier Mitsi Evo 7, 911, Cossie. & all the chavs ...... won no problem |
23rd Sep, 2012 at 03:21:54pm
What boost are you running? Is you ignition timing correct? And your fueling? Are you using an intercooler? Whats the spec of your engine Turbo etc? ? Questions I know but they need answering
Edited by BENROSS on 23rd Sep, 2012.
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7 Posts Member #: 9251 Junior Member |
23rd Sep, 2012 at 05:37:58pm
Well as my boss hasn't fitted the boost guage I am unsure on that. Think when it gets up and running again I will need to take it on a rolling road and make the sure the fuelling and timing etc is all set up correctly to make sure it doesn't happen again.
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9258 Posts Member #: 123 Post Whore Betwix Harrogate and York |
24th Sep, 2012 at 07:05:39am
Whether it is or isn't a turbo head will make no differance. The only differance between the turbo and no-turbo head is the exhaust valves. The turbo has sodium filled valves, but these are unnesessary. 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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7 Posts Member #: 9251 Junior Member |
7th Oct, 2012 at 04:09:23pm
Hi there just a quick update. Had the head fitted again which was a turbo head, thought the head was originally not tightened down right so had it all rebuilt and was running it for about a week and the head gasket has gone again but now in a different place. Boost gauge has been fitted and seems to be running at a max boost of about 7 psi and that was with the engine revving quite high. Have been suggested it might be high compression and that 2 head gaskets might solve this? Anyone have any other ideas what might be causing it? |
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![]() 665 Posts Member #: 9345 Post Whore Sheffield |
7th Oct, 2012 at 04:22:40pm
Try reading some of the posts already in this thread.. |
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