darrens
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| posted on 29/7/06 at 10:18 AM |
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Emmissions testing
Had a scour through SVA manual but thought I'd check here aswell with people that have had the test done.
Is the emmisions test done with the engine at idle? I have a megasquirt insllation and thought I check before hand.
Thanks
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smart51
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| posted on 29/7/06 at 11:01 AM |
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at idle and at fast idle, 2500 RPM
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DIY Si
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| posted on 29/7/06 at 01:59 PM |
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Depends upon the age of the enigne. Some are just at idle. Others fast idle some 2500 and others all of the above.
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Krismc
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| posted on 30/7/06 at 08:24 AM |
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yea my zetec max revs on the SVA is down as 6000, so its a percentage of that!
its not the max revs the engine can do but the max revs/max power (peak power) cause mine actually revs to 7200
[Edited on 30/7/06 by Krismc]
Built, Ivaed, Drove and now Sold - 2011 MNR VORTX RT+ 2000cc Zetec on R1 Throttle boddies.
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darrens
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| posted on 30/7/06 at 09:53 AM |
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quote:
Originally posted by chris mason
just a though, are all engines tested at approx 2500rpm fast idle.
ie; v8 2500rpm equates to roughly 40% max revs, whereas a bec 2500rpm equates to only 20% max power, surely an engine that is running at 40% would be
throwing out more emmissions than at 20%
could be way off the mark here, but i'm sure someone will know!!
Chris
I was just thinking that
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wicket
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| posted on 30/7/06 at 10:26 AM |
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My X-flow was done at Natural Idle @ normal operating temperature, although the speed is not shown on the print out its about 800rpm
[Edited on 30/7/06 by wicket]
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rusty nuts
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| posted on 30/7/06 at 07:49 PM |
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As Si says it depends on the age of your engine. Do you know when engine was manufactured ? you will need this information for SVA
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darrens
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| posted on 30/7/06 at 08:24 PM |
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Fortunately I have a huge folder on the history of the engine, was previously a 3.5 SD1 which then became a 3.8 on previous engine No. 11A00001A , so
is dated between 79-80
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