Engine for 1986 Civic Si
12-01-2006, 11:15 AM
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Engine for 1986 Civic Si
A piston is about to go in my dads 86 civic Si (non CRX) and he would like a new engine in it. I have searched and found very little on the 86 Si (I guess bc it was the first) I would like to upgrade the engine for him but dont know which one to choose or if any newer engines will even fit in it. So my question is, what would you reccomend thats cheap, legal, reliable, and will fit into the car with no modification? I know i probably sound like an idiot asking this but Im a nissan guy. Thanks in advance for the help. -John
12-01-2006, 11:23 AM
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Speak&Spell Anyone?
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Re: Engine for 1986 Civic Si
You don't sound stupid at all. If you don't know the only way to find out is to ask.
You can put a ZC DOHC motor in it and it will runn a lot better! Be mocu faster and you won't have to modify anything! It bolts right up, you can even use your stock exhaust manifold and stuff.
You can put a ZC DOHC motor in it and it will runn a lot better! Be mocu faster and you won't have to modify anything! It bolts right up, you can even use your stock exhaust manifold and stuff.
12-01-2006, 05:01 PM
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12-01-2006, 08:31 PM
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12-03-2006, 12:15 PM
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Re: Engine for 1986 Civic Si
It will fit! All d series motors will work with each other! All you have to do is take the manifold off the old motor, the motor mounts, and the tranny!
12-03-2006, 12:40 PM
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Re: Engine for 1986 Civic Si
This is true. My d16y7 fit in my 89 civic dx and its still running the original tranny, exhaust mani, ANDDD the original DPFI intake mani. Plus the stock dizzy and PM5. I was shocked myself when I bought the car and found all of this. Ive put about 40k miles on this car and its never took a shit on me. Lately theres been a CEL and a slight miss when it comes on, but Im thinking either O2 sensor, or something to do with the DPFI setup. I will really look into this after I do my MPFI conversion.
12-03-2006, 04:38 PM
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Re: Engine for 1986 Civic Si
This is true. My d16y7 fit in my 89 civic dx and its still running the original tranny, exhaust mani, ANDDD the original DPFI intake mani. Plus the stock dizzy and PM5. I was shocked myself when I bought the car and found all of this. Ive put about 40k miles on this car and its never took a shit on me. Lately theres been a CEL and a slight miss when it comes on, but Im thinking either O2 sensor, or something to do with the DPFI setup. I will really look into this after I do my MPFI conversion.
12-04-2006, 08:20 AM
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