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Old 21-04-2006   #1
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SPI manifold, cat and exhaust on an MPI

As the cat on the MPI is built into the manifold, could I get a Sei CSC (for example) manifold, a sports cat for an SPI Sei and a full Sei exhaust (such as Janspeed)?

Obviously I'd have to weld an adapter on for the 2nd lamba sensor, but can anyone else see a problem with it?
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Old 21-04-2006   #2
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Re: SPI manifold, cat and exhaust on an MPI

I've got a schumacher and have thought about doing this too, but have yet to learn the reasoning behind having two lambda sensors. I think that removing the CAT may screw up the fueling so a custom manifold with sports cat may be needed.
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Old 21-04-2006   #3
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Re: SPI manifold, cat and exhaust on an MPI

the second lambda is to check the cat is working, u can have the map altered to ignore it, or you can buy lil devices that emulate the signal the ecu is expecting
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Old 21-04-2006   #4
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Re: SPI manifold, cat and exhaust on an MPI

Top man arc! where is a good place for a re-map?
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Old 21-04-2006   #5
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Re: SPI manifold, cat and exhaust on an MPI

You go for it CC1 and let us know how you get on!
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Old 21-04-2006   #6
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Re: SPI manifold, cat and exhaust on an MPI

I'm not too sure, i have an SPI (atm!) Cinq.

try pm'ing oldschool, he should be able to hook you up.
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Old 21-04-2006   #7
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Re: SPI manifold, cat and exhaust on an MPI

Thanks! Trying to way up the cost of tuning the the 1108 engine to about 75 horses. Might be better to drop a punto 75 MPI engine in?
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Old 21-04-2006   #8
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Re: SPI manifold, cat and exhaust on an MPI

yeah, that'd work. smurfhead_gaz has done that.
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Old 21-04-2006   #9
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Re: SPI manifold, cat and exhaust on an MPI

before you jump to expensive custom lambada sensors you may want to take a look at the 53000 Dual Sensor: http://www.car-sound.com/catalog/universal/530.aspx It comes with 2 lambada sensors for 200 but i think the price will go down very soon as they are reasonably new to the UK. I descovered them at the Ripspeed show in Donny this year and am so pleased I did.

Hope ive helped out
Cheers
Rich

P.S. If you would like to post or share pics about the Ripspeed show refer to the 'Events' pahe of this forum.
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Old 21-04-2006   #10
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Re: SPI manifold, cat and exhaust on an MPI

Quote Originally Posted by cc1
Thanks! Trying to way up the cost of tuning the the 1108 engine to about 75 horses. Might be better to drop a punto 75 MPI engine in?

Don't defect to the 1242 side

I went the engine way on my last project and the wallet has just recovered plus the wife has only just forgiven me (i know it was a very silly project in the end)

This time for me its back to my roots and screw what I can out of what I've got (its just the engineering challange that keeps me going)

Just imagine the satisfaction you will get out of trashing the 1242 guys with a well sorted 1108 stick with it
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Old 21-04-2006   #11
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Re: SPI manifold, cat and exhaust on an MPI

Depending on whether I keep the Cinq or defect and buy an Almera SRI when I'm 19/20 I want to push the 1108 to it's full potential, sooooooo many chav corsas and novas round here that need pissing all over by a proper little street sleeper
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Old 22-04-2006   #12
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Re: SPI manifold, cat and exhaust on an MPI

May the force be with you....

There is no sweeter sight than seeing a Burberry baseball cap disappearing in your rear view mirror....... take it from the owner of a big sleeper
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Old 22-04-2006   #13
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Re: SPI manifold, cat and exhaust on an MPI

Lol theres plenty of burberry caps around here aswell!
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