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Swapping 91 intake manifold onto 86 2.5L

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Old Jan 19, 2011 | 03:06 AM
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From: St. Helens, Or
Year: 1986
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Default Swapping 91 intake manifold onto 86 2.5L

It looks like they should bolt up, I want to get rid of the single modular injector and go to 4. Wondering if anyone know if this is possible or has done it. And if so what all would I need?
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Old Jan 19, 2011 | 12:48 PM
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From: St. Helens, Or
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Ok, so upon further research. The gasket for the intake/exhaust on 84-95 at least are the same. Which means they will bolt in place of each other.

Only thing I can think would cause an issue, would be computer, maf, 02sensor. I know I'm going to have to modify the fuel lines.
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Old Jan 20, 2011 | 01:36 AM
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So not even a comment saying it's a dumb idea?

I'll give it a shot and see how it goes, maybe post a writeup if all goes well.
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Old Jan 20, 2011 | 01:43 AM
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From: las vegas, NV
Year: 1996
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Originally Posted by fishunterx
So not even a comment saying it's a dumb idea?

I'll give it a shot and see how it goes, maybe post a writeup if all goes well.
lol no ideas are dumb until you do it and it doesnt work and even then your not dumb for trying i have faith in you, and you wont know if it works until you try it remember there are no dumb questions only dumb answers and this might be classified as a dumb answer lol
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Old Jan 20, 2011 | 02:15 AM
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this has been done
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Old Jan 20, 2011 | 02:23 AM
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Year: 1989 xj sport 2dr
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Engine: 12 hole bosch Injectors
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Originally Posted by fishunterx
It looks like they should bolt up, I want to get rid of the single modular injector and go to 4. Wondering if anyone know if this is possible or has done it. And if so what all would I need?
why?
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Old Jan 21, 2011 | 01:48 AM
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Originally Posted by freegdr
why?

I was hoping it would be more efficient, anyone have any ideas of what this would actually do to my power/gas mileage?
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Old Jan 21, 2011 | 01:50 AM
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what i think is going to be the hard part is going to be the electronic functions here
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