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#16
03-04-2003, 03:27 PM
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alright, for the OBD1 thing. You can either make your own harness, which takes a lot of time, and figureing out what wires are what, where they went on the OBD0 harness and where they need to go on the new OBD1 harness...a lot of bull. Or you can get on the net, and search and find someone who makes the conversion harness, that way all you have to do is plug it in. I think there is a guy on Honatech.com(someplace like that) that makes them, you might want to hit him up on it.
Alright, for the MPFI thing. Alright most cars are MPFI, but any 4th gen that isn't an Si has DPFI, i think i have that right, might not. The easiest way to tell, is look on the intake manifold, if you get a black looking thing that say PGM-FI Dual point or something like that, its a DPFI, and you will need to add some wires in to get the extra injectors working on a MPFI intake manifold. Hope i didn't loose you there. To learn what wires need to go where, go to www.4thgenerationcivic.com, ami has put up the conversion that was in the June or July issue of Sport Compact Car.
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Tony 91 Civic Sedan DX - Stock 287k Miles 
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#17
03-04-2003, 03:50 PM
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ok lol... Ill just bring it to some shop to have it done then cause im confused =/ unless its possible to buy both wires premade...
But exactly how much extra horse power/tq will the vtec give me from the same engine with vtec not enabled...?
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#18
03-04-2003, 03:53 PM
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I couldn't tell you about the hp, but if you are getting someone to do it for free, it really isn't that hard to hook up the MPFI, if you want to know how to do it, pick up this months copy of Honda Tuner, the one that talks about making a Drifting Civic. It has the same article from SCC in it. If you give it to your mechanic he should be able to figure out what he has to do.
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Tony 91 Civic Sedan DX - Stock 287k Miles
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#19
03-05-2003, 03:23 AM
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Any 88-91 HF,EX, or Si has MPFI. any LX/DX has DPI
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#20
03-07-2003, 11:12 AM
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Alright got another question about the trannys, what is the difference between the Z6 and a Si tranny? other than hydraulic and cable
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Tony 91 Civic Sedan DX - Stock 287k Miles
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#21
03-07-2003, 12:39 PM
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different gear ratios & mounts.
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