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Car Forum / Honda Cars / July 2004Civic Engine Swap question
Hi All, I have a 1994 Civic LX D15B7 (non-vtec 106 HP) and planning to swap a VTEC engine possibly D15B series from 1995 Civic EX (VTEC 130 HP). What I have been told is to watch for two things (1) ECU (P30) and (2) Wiring harness. I was also told that I don't need any additional parts such as engine mount, axels, shift linkage, etc. Everything else can be used from my car. Did any of you have done any such engine swaps? If so, what should I watch for? Do I need to worry about any other impotent parts, expected swap time, etc. I have looked at the following site on engine sawps http://tech.hybridgarage.com/tech/5gtech/index.html. But, nothing there about an engine swap from non-vtec to vetc. Any help or pointing me to any website is appreciated. GM d15b from a 95 is the same engine you ahve, no vtec, you want a d16z6 (92-95 ex) , and its 125hp. Also the ecu is the p28. Wiring is the same except you have to wire up the vtec selenoid which is 2 wires, one goes to the ecu, the other is ground. > Hi All, > [quoted text clipped - 15 lines] > > GM Thanks for the info. The engine I am looking for is JDM VTEC version and I was told its a D15B series with 130 HP. Its on sale on eBay and the seller is claiming it is a direct bolt-on to my car with no modification except ECU. He even indicated that my car's (USDM) wiring harness has already two additional wires for VTEC. All I need is the ECU. I am just curious to see whether anyone else has swapped the JDM VTEC into a USDM D15B7. Thanks. Matt. A.. > d15b from a 95 is the same engine you ahve, no vtec, you want a d16z6 (92-95 > ex) , and its 125hp. Also the ecu is the p28. Wiring is the same except you [quoted text clipped - 22 lines] > > > > GM There is no such thing as a d15 vtec, 92-95 jdm civics came with a d16zc, this guy sounds kind of shady to me, another reason is teh wiring, it is NOT in your dx's wiring harness, and i forgot today, but there is a 3rd wire for wiring your vtec, sorry, slipped my mind, there is a green, blue and black. > Thanks for the info. > [quoted text clipped - 45 lines] > > > > > > GM btw, check out this site for honda engine codes http://www.superhonda.com/tech/honda_engine_codes.html > There is no such thing as a d15 vtec, 92-95 jdm civics came with a d16zc, > this guy sounds kind of shady to me, another reason is teh wiring, it is NOT [quoted text clipped - 53 lines] > > > > > > > > GM > and i forgot today, but there is a 3rd wire for > wiring your vtec, sorry, slipped my mind, there is a green, blue and black. Probably the VTEC pressure switch (VTM). Black wire to ground, BLU/BLK to ECU. There was a D15 VTEC engine of sorts, the D15Z1 which was the fuel efficient VTEC-E engine in the VX model. 92 bhp, so hardly a performance upgrade. yes, vtec switch and oil pressure sensor =), and true, there was the d15z1, but it was usdm and it sucked =) > > and i forgot today, but there is a 3rd wire for > > wiring your vtec, sorry, slipped my mind, there is a green, blue and black. [quoted text clipped - 5 lines] > efficient VTEC-E engine in the VX model. 92 bhp, so hardly a performance > upgrade. Thanks guys; I almost bought into this eBay JDM engine business. This has been very educational to me. Again, thank for the info. I may have to look at option#2 B16A2 with 160 HP. Matt. A... > yes, vtec switch and oil pressure sensor =), and true, there was the d15z1, > but it was usdm and it sucked =) [quoted text clipped - 9 lines] > > efficient VTEC-E engine in the VX model. 92 bhp, so hardly a performance > > upgrade. b16 = yummy little more wiring im pretty sure though for more help and education, goto www.honda-tech.com very good source of info > Thanks guys; I almost bought into this eBay JDM engine business. > [quoted text clipped - 18 lines] > > > efficient VTEC-E engine in the VX model. 92 bhp, so hardly a performance > > > upgrade. D15B's are legit, I would only pay about $450 + shipping though. > Thanks guys; I almost bought into this eBay JDM engine business. > [quoted text clipped - 18 lines] > > > efficient VTEC-E engine in the VX model. 92 bhp, so hardly a performance > > > upgrade. explain this 'legit' seeing no one ever heard of them and can find absolutely no info on a d15b vtec engine > D15B's are legit, I would only pay about $450 + shipping though. > [quoted text clipped - 21 lines] > performance > > > > upgrade. Your info on D15B is incorrect. The JDM market had the D15B SOHC VTEC motors, they were rated at 130 ps or about 125 hp, same as the D16Z6. They consist of VX/D15Z1 short blocks with D16Z6 pistons and head. The D15B cam is also a little more agressive than the USDM D16Z6, why it has the same output rating. M.C. Tee, you need to research a bit. www.sohchonda.com www.d-series.org www.honda-tech.com Might wanna look into the Civic Del Sol VTi's To the orginal poster, your stock EX P28 ECU will run the D15B, but you'd be better off getting the correct ECU or having yours chipped to D15B specs. Adrian at www.hyperducktuning.com > There is no such thing as a d15 vtec, 92-95 jdm civics came with a d16zc, > this guy sounds kind of shady to me, another reason is teh wiring, it is NOT [quoted text clipped - 53 lines] > > > > > > > > GM |
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