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| Home > Help Needed / General Tech Chat > power suddenly shoot out after 5000rpm? | |||||||
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83 Posts Member #: 6003 Advanced Member |
24th May, 2010 at 05:49:15pm
Every time i put my foot down i can feel power suddenly increase after 5000RPM. i havent tried higher than 6000rpm, so i not sure about after 6000. AND during the engine speed up, some where between 4000rpm to 5000rpm. i can feel engine become weaker . something wrong with fueling? Edited by jom on 24th May, 2010. |
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83 Posts Member #: 6003 Advanced Member |
24th May, 2010 at 05:56:31pm
Forgot to say. im using 276cam, T3 turbo. 1293CC |
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 7265 Posts Member #: 1268 The Boom Boom speaker Police! Essex |
24th May, 2010 at 06:19:29pm
What happens to the boost/afr when the occurs? In the 13's at last!.. Just |
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83 Posts Member #: 6003 Advanced Member |
24th May, 2010 at 06:33:58pm
On 24th May, 2010 theoneeyedlizard said:
What happens to the boost/afr when the occurs? |
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 9258 Posts Member #: 123 Post Whore Betwix Harrogate and York |
24th May, 2010 at 06:36:02pm
Has it ever been 'normal'? 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 |
24th May, 2010 at 06:55:33pm
i just chaged the distributor to metro turbo one last week, and the problem started after i change. i was using 1275 cooper electric distributor with 4psi boost. and the engine was normal to me , no power sudden shoot out .
On 24th May, 2010 wil_h said:
Has it ever been 'normal'? |
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 16540 Posts Member #: 4241 King Gaycharger, butt plug dealer, Sheldon Cooper and a BAC but generally a niceish fella if you dont mind a northerner Rotherham, South Yorkshire |
24th May, 2010 at 07:05:01pm
what do you mean 'shoot out' Do you mean that when you get to 4-5k you get lots of boost and it accelerates more quickly? If you where using a different dizzy then the advance curve potentially wouldn't suit a turboed engine. Now you have a turbo dizzy you will be getting a closer matched advance to your engine and potentially more power. On 11th Feb, 2015 robert said:
i tried putting soap on it , and heating it to brown , then slathered my new lube on it 
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83 Posts Member #: 6003 Advanced Member |
24th May, 2010 at 08:17:19pm
no ,the boost can stay at 8psi after about 4000rpm, but power suddenlly out from 5000rpm. its just like a point. however boost stay same, so im thinking about fueling and timing
On 24th May, 2010 apbellamy said:
what do you mean 'shoot out' Do you mean that when you get to 4-5k you get lots of boost and it accelerates more quickly? If you where using a different dizzy then the advance curve potentially wouldn't suit a turboed engine. Now you have a turbo dizzy you will be getting a closer matched advance to your engine and potentially more power. |
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 9502 Posts Member #: 1023 Post Whore Doncaster, South Yorkshire |
24th May, 2010 at 08:33:06pm
doesnt the clock work dizzy pull in its high speed advance about 4500rpm maybe yours is sticky and coming in fast and late. Makeing more power in an instant Yes i moved to the darkside |
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83 Posts Member #: 6003 Advanced Member |
26th May, 2010 at 11:41:42am
now im thinking about the needle and the spring, they may cause too rich before 5000rpm? i didnt change them, they re all origal one. |
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3596 Posts Member #: 655 Post Whore Northern Ireland |
26th May, 2010 at 10:02:12pm
With such a vague description of the problem...and general lack of info about your setup...how the hell is anyone meant to help !! 9.85 @ 145mph
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