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| [FAQ] What motor will fit in my integra or civic? [Archived] https://www.thejdm.com/forum/viewtopic.php?f=23&t=2850 |
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| Author: | .saint [ January 26, 2005 ] |
| Post subject: | [FAQ] What motor will fit in my integra or civic? [Archived] |
[thanks to ricey mcricerton on honda-tech] Some intro swap information Switching OBD motors Many people think that swapping in a pre OBDI motor into their 92+ Civic is a good idea. I disagree. First, you'll have to swap the car from OBDI to OBD0 ot try and change the motor to OBDI. If you get a swap older than a 1991, you have to deal with the cable to hydro tranny conversion. The 1992-1993 Integra is the oddball swap of the bunch, being OBD1 and cable tranny. Your stock Civic has a hydraulic transmission. Swapping from OBDII to OBDI is a common thing more and more now. Although the idea is quite good, it has flaws. If you use a jumper harness, it is very difficult to get the ECM to fit back in it's original location. Also, unless you feel like changing things back at inspection time, it's going to be impossible to pass in some areas. Now places are implementing OBDII testing that will have the tester plug a computer into your OBDII port to check for legality (no pulling the check engine light bulbs anymore to pass). General swap info and tips This could be better covered by someone with more swap experience, but I'll put in my $.02. Do it from the top. Just because more people have access to the tools and locations where putting in a swap from the top is easier. Also, make sure you have some way to crack the axle nuts loose. Air tools are a lifesaver when you have to turn bolts in a job like this, as is a torque wrench and a GOOD set of sockets. If you can follow directions on here and unbolt things and rebolt them with a little wiring, you can do a swap. http://www.thejdm.com/forums/viewtopic.php?t=2971 JDM Swaps Honestly, unless these come from a friend in Japan, you're taking a gamble every time. You have no real way to know how many miles are on the engine, nor how it was treated. Just keep that in mind. It has not been proven (no matter how many claims) that these JDM motors make any more HP. Where to find them First of all, if you are looking for a USDM motor, I'll suggest local junkyards. They are probally your best bet, as you can look at what you're getting instead of having to order it. Possible Swaps Now before someone jumps on me and says anything is possible with enough time and money, I know. These are going to be fairly straightforward options with the pros/cons. D series swaps These are fairly inexpensive and come in a variety of Civics. IMHO, these are the easiest swaps to drop in. I also don't want to hear a bunch of whining about the opinions on power levels. Of course there are going to be some exceptions to the rule. Pros Inexpensive Decent potential (200 whp or so on stock internals) OEM parts are cheap More than enough for most people The best D series come with ~130 hp tops Optional factory LSD in the JDM D15B Cons Not as much potential as some other motors Transmission not geared for accelleration Don't respond to bolt ons well Only way to get real power out of them is FI B16 These can be found in the JDM SIR and SIRII (among other JDM cars, which I don't claim to know all of which it came in) as well as the USDM 99-00 SI (EM1) and the 99-00 Canadian SIR. Pros 160 hp stock High RPM power Fairly inexpensive Good transmission DOHC VTEC Cons 113ft/lbs torque (very little more than a D16z6 stock) Without knowing what you're looking for you can end up with a high mileage JDM model Under 4k or so it feels just like a D16 B18B This is the motor in the non Type-R and non GSR Integra. Pros Good torque for a 1.8L (127 ft/lbs) Inexpensive (even cheaper than a B16) 142 hp (more than any stock D series) Boost heads love them Cons No VTEC Longest B series transmission B18C1 (or JDM B18C) These come out of an Integra GSR. Pros Good Hp and TQ numbers (170, 121 ft/lbs respectively) DOHC VTEC Tons of potential High revving Cons Expensive Becoming moreso as people keep scooping them up Slighty longer tranny than the ITR and B16 B18C5 (or JDM B18C) This is found in the Integra Type-R. IMHO this is the best swap for a Civic. Pros GREAT HP and TQ numbers (195 and 134 ft/lbs) High revving Hand built motor from Honda Optional factory LSD Best transmission for a B series from the factory Red valve cover Cons EXPENSIVE If JDM ITR is used, the 36mm axle 32mm hub problems occur B16B This is the motor found in the Civic Type R found all over the world. Pros 185 hp 117 ft/lbs High revving Good top end power Red valve cover Cons Expensive- almost as much as an ITR for lower performance Very little torque still, have to rev the motor to make power B20 This motor is found in the Honda CRV. Pros Great torque (133 ft/lbs) good boost motors inexpensive B20z=146hp Cons Thin cylinder walls Have to peice together a swap for a Civic (can't drop it in with a B20 tranny) Won't pass BAR (light truck motor in a car) Low hp in the B20b(126 hp) H22/JDM F20B The H22 is found in Honda Preludes Pros 200 hp H22=156 ft/lbs torque F20B=145 ft/lbs torque Great torque DONT WEIGH THAT MUCH MORE THAN A B SWAP!! Cons Harder to install than a B/D motor transmission feel is vague IMHO Less info out there for the swap (aka, less experience as they are less common) Price of swap is comperable to a B18C5 after everything is said and done (mounts, etc) K20 This can be found in the new EP3, the RSX (base and Type S) as well as other cars across the world (RSX R, etc). This is the future of the swap IMHO. There is a writeup on installing one of these in one issue of Sport Compact Car magazine (June 2004 I *think*) Pros 200 hp 158 ft/lbs torque (RSX R) I-VTEC Respond VERY well to bolt ons 6 speed transmission Most have very low miles Cons Still super expensive More difficult swap than a B or D Well, there you have it people. I've outlined some of the pros cons on some of the most popular swaps. Most of these HP/TQ numbers were taken from Hmotors online if I didn't know them. Don't bite my head off if they aern't correct. I don't claim to be a walking encyclopedia, so I have had some help. |
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