irf Posted May 15, 2007 Report Share Posted May 15, 2007 done quite a few searches and pretty much all i've read is that most 850s do this.as the title says, there must surely be a cure, no? Link to comment Share on other sites More sharing options...
RZT5 Posted May 15, 2007 Report Share Posted May 15, 2007 done quite a few searches and pretty much all i've read is that most 850s do this.as the title says, there must surely be a cure, no?what exactly do you mean by revs sticking? Link to comment Share on other sites More sharing options...
AlvinL Posted May 15, 2007 Report Share Posted May 15, 2007 what exactly do you mean by revs sticking?Probably means the revs are staying up as opposed to revs coming down when he lets his foot of the gas pedal during shifting. Link to comment Share on other sites More sharing options...
RZT5 Posted May 15, 2007 Report Share Posted May 15, 2007 Probably means the revs are staying up as opposed to revs coming down when he lets his foot of the gas pedal during shifting.makes sense. is his car manual though? Link to comment Share on other sites More sharing options...
matt b Posted May 15, 2007 Report Share Posted May 15, 2007 Search for lighter flywheels, a thread floated around a while back about this.How bad is it sticking ? Like it's not coming down at all, or just taking too long ? Is yours a stock tranny or have you done a swap on it ? Link to comment Share on other sites More sharing options...
irf Posted May 15, 2007 Author Report Share Posted May 15, 2007 yep manual, as it came from the factory.sorry, should have been clearer. basically it takes a long time for the revs to come down on gear changes, the higher up the rev range the longer it takes.i like to take pride n the way i drive but this just makes me look and feel like an idiot driving. ruins the drive :angry: Link to comment Share on other sites More sharing options...
RZT5 Posted May 15, 2007 Report Share Posted May 15, 2007 yep manual, as it came from the factory.sorry, should have been clearer. basically it takes a long time for the revs to come down on gear changes, the higher up the rev range the longer it takes.i like to take pride n the way i drive but this just makes me look and feel like an idiot driving. ruins the drive as matt b said i would look for lighter flywheels, the 850 and S/V/C70 flywheels on manual cars are notoriously heavy if i recall correctly Link to comment Share on other sites More sharing options...
POOKDIZZLE Posted May 15, 2007 Report Share Posted May 15, 2007 I discussed this only a couple of days ago and I have a lightened flywheel already. RPM THREAD WITH A MANUAL Link to comment Share on other sites More sharing options...
irf Posted May 15, 2007 Author Report Share Posted May 15, 2007 which shows that a lightened flywheel wont help :( Link to comment Share on other sites More sharing options...
KlausC Posted May 15, 2007 Report Share Posted May 15, 2007 which shows that a lightened flywheel wont help I prefer to keep things more simple, it fits my mind best A dirty throttle body could be the problem, or the return spring for the throttle cable could require replacing. Link to comment Share on other sites More sharing options...
irf Posted May 16, 2007 Author Report Share Posted May 16, 2007 thanks klaus but seeing as it's such a commomn problem someone must have changrd those things before me and either it worked or it didn't.or maybe changed something else and it definetly got rid of the problem?just trying to save myself from changing this, then that etc etc. Link to comment Share on other sites More sharing options...
POOKDIZZLE Posted May 16, 2007 Report Share Posted May 16, 2007 I prefer to keep things more simple, it fits my mind best A dirty throttle body could be the problem, or the return spring for the throttle cable could require replacing.Mine's new, I'm with Johann, it could be the programming :unsure: Link to comment Share on other sites More sharing options...
Kibim Posted May 16, 2007 Report Share Posted May 16, 2007 Remember that with an external dump-valve, you're dumping metered air into the atmosphere. So for that period of time you're running very rich, and maybe the extra fuel floating around is keeping the revs up? Took me a long time to 'learn to drive' with the DV. Link to comment Share on other sites More sharing options...
AJU Posted May 16, 2007 Report Share Posted May 16, 2007 Even NA cars do this. I'm pretty sure it's in the programming. Once the throttle plate is closed the IAC controls air flow into the engine (via computer control). I think it's an emission control thing. Link to comment Share on other sites More sharing options...
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