alister667
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 posted on 26/8/03 at 07:38 PM |
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Fireblade re-jetting - will it affect cat for SVA?
Hi.
I know the airbox/not airbox thing has been debated to death, but bear with me on this one!
I'm soon gonna start to build a MK Indy with a 99 Blade (carb) engine. It was my intention to run it without the airbox (so it'll fit
under the bonnet), but to get the jets widened to compensate the mixture. I was also planning to rent a CAT from MK or someone for the SVA. I just
wanted to know will the re-jetting make it harder to get the cat adjusted and get the car through the SVA?
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Wadders
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| posted on 26/8/03 at 08:00 PM |
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No it won't make any difference, the lambda sensor/air bleed system only works at low revs . The mixture is set using the idle screws.
i]Originally posted by alister667
Hi.
I know the airbox/not airbox thing has been debated to death, but bear with me on this one!
I'm soon gonna start to build a MK Indy with a 99 Blade (carb) engine. It was my intention to run it without the airbox (so it'll fit
under the bonnet), but to get the jets widened to compensate the mixture. I was also planning to rent a CAT from MK or someone for the SVA. I just
wanted to know will the re-jetting make it harder to get the cat adjusted and get the car through the SVA?
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alister667
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| posted on 26/8/03 at 08:20 PM |
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Magic. Thanks very much. <Tips hat> 
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loafersmate
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| posted on 27/8/03 at 07:32 AM |
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The airbox will fit under the bonnet with a little modification....I will get round to posting a pic of mine.............no problems with
emissions.
Ben
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alister667
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| posted on 27/8/03 at 08:31 PM |
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Is that where you turn the airbox around 180 degrees? If it's a handy job I might run it like that (ie unjetted) for a while.
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loafersmate
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| posted on 2/9/03 at 07:22 AM |
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pics posted in my area.
Ben
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alister667
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| posted on 2/9/03 at 10:27 AM |
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Thanks for that. I love the MK decal on the top of the airbox mod! By the way in the "airbox_lhs.jpg" there is some silver material by
the side of the engine. Is this soundproofing?
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locoboy
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| posted on 2/9/03 at 11:41 AM |
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looks like heat shielding to me.
ATB
Locoboy
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loafersmate
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| posted on 2/9/03 at 12:02 PM |
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yup, it's heat shield mat. I bought a length from Merlin to put on the inside of the side panel above the exhaust manifold to stop the
fibreglass from distorting. I had enough left over to make a shield for the HT leads to stop them getting damaged. For the airbox mod I just removed
the top flange off the filter and cut the airbox to suit. It doesn't really change the distance from bellmouth to airbox too much. The airbox
has some ribs on the inside which are perfect for putting some S/S selftappers into to mount the ally top. I also fitted some rubber edge trim to the
edge to seal onto the ally plate properly. I'll be at Donnington if anybody wants a look, (MK owners area??)
Cheers
Ben
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