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Old 11-02-2012, 07:58 PM
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Re: 91 Civic Ignition Question

Its been a while since I have messed with SOHC stuff, but the biggest thing you need to know is what kind of head is on it. Is it the OBD0 MPFI head, OBD1 Z6 VTEC head, or OBD2 Y8 VTEC Head. Head stamp will tell you that, but if you do some research you can tell just by looking at them.

Any way around it, if its not the DPFI head, it needs a new distributor, some added wiring and a new ecu. Do a quick MPFI Conversion search and you will find a list of what all needs to be done for it to work. If you throw in a different OBD system, you got some more wiring to do and different ECU and distributor again.

99% of all inline 4 cylinders share the same 1-3-4-2 firing order. There are a few odd balls out there that gotta change it up, but most are all the same.

Even if there are some other issues with the engine and the chassis is in good shape for a cheap price. SOHC engines are cheap and easy to come by. You can usually get a good deal on an older chassis like this that isn't running.
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91 Civic Sedan DX - Stock 287k Miles
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