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post #1 of 5 (permalink) Old 05-28-01, 05:46 AM Thread Starter
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SPI to MPI conversion on an EA

A mate and I are thinking of undertaking a conversion of his EA to Mulitpoint as theres a good chance of me picking up most of the required parts cheap (fuel rail, injectors, ECU, intake manifold) . I know the Fuel Pump is different, but ive been told that the Heads are different? Is that correct?

Is there anything else im missing?

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post #2 of 5 (permalink) Old 05-28-01, 04:39 PM
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On my dads EB we had before, there was a pipe from the exhaust manifold that goes into the intake. I think multipoint engines didn't have this hot stove thing the CFI did. The CFI system when i had a look at it is basically a carby setup but with twp injectors instead.

Have to say we were thinking of this type of conversion as well, let us know how you go if you go ahead with it. The Multipoint will go so much harder that the CFI. 120kw vs 139kw, and not to mention throttle response.

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post #3 of 5 (permalink) Old 05-28-01, 05:29 PM
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The airbox is different, in addition to everything else you mentioned. I enquired about this conversion a while ago, and a wrecker told me it wasn't as easy as most people thought. However, I'm told the taxi industry is always buying used CFI parts from wreckers, so don't just throw them away.

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post #4 of 5 (permalink) Old 05-29-01, 08:13 AM Thread Starter
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Thanks guys :)

Venom, did the wrecker clarify exactly what he meant by saying "its not as easy as it looks"

I dont paticulary want to get the job half done and find out it actually cant be done :rolleyes:

Has anyone here actually done this?

1993 ED XR6 M5 (1 of 329)
Polynesian Green
Turbo on the way!!
1993 EBII Fairmont (Now wrecking, PM if you want any parts)
1988 Nissan R31 Skyline
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post #5 of 5 (permalink) Old 05-29-01, 04:31 PM
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Quote:
Originally posted by Martin
Thanks guys :)

Venom, did the wrecker clarify exactly what he meant by saying "its not as easy as it looks"

I dont paticulary want to get the job half done and find out it actually cant be done :rolleyes:

Has anyone here actually done this?
He did rattle of a list of thing I'd need to change, other than the engine, and some of those have been mentioned and the others I don't remember, was a years few back. :rolleyes:

It is possible, just don't be surprised that there a few more things you need to change over than you first anticipated, unless that is you get complete conversion details from someone who actually knows what's needed. :p

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