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Old 24 Oct 2007, 03:18 pm
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Default Engine swap or tweak for 1990 Civic?

I jst bought my first car, a 1990 Honda Civic. It needs some work but is in excellent condition. Any tips on what engine swap would give me the best value? Or any parts which would make my engine perform better? Keeping in mind I dont want to blow my budget - the car is 17yrs old!! Cheers
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Old 24 Oct 2007, 03:21 pm
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all you said is 1990 honda civic. you didn't even specify what type it is like lx, dx, or ex. You didn't even say if it sedan, coupe or hatchback. I can't tell what engine you have so please post more info so i can answer you. I'll be checking for any updates by you.
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Old 24 Oct 2007, 03:54 pm
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you forgot to mention milage.every 100k put a new timing belt.I have gone over 350k on a stock motor. Buy a used "imported" engine from Japan around $400 + installation. These generally have 30k miles and get swapped out, thats the Japanese law. You get a great engine cheap
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Old 24 Oct 2007, 03:57 pm
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alrite I have a 89' honda civic DX Hatch. I got some new rims (Motegi MR7s 16'' silver) AEM Cold air intake, Skunk2 Mega power exhaust, black Tint, racing plugs, MOMO shift knob, and for engine I have Skunk2 Cam... (My car has 148,000 on it so it still has 1 more life to live)......... (A good handa engine for a swap would be a D16a6, B20 type........
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Old 24 Oct 2007, 04:06 pm
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HAHAHAH DONT LISTEN TO ANY OF THESE IDIOTS ABOVE ME!It doesnt matter which trim the 90 civic is, it can only be a D15B1 or a D15B2 and in which case they both arent exactly"fast" engines. They both produce low hp numbers and are sohc which makes bolt on parts not yield good HP numbers. DOHC motors will be much more responsive to bolt ons and forced induction.Also you will not get a 400 dollar swap from Japan, these are heavy engines! Shipping rates make these swap way more than 400!Read below:Some intro swap informationSwitching OBD motorsMany 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 tipsThis 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.A special thanks goes out to JDMlyfestyle for this thread http://honda-tech.com/zerothread?id=983454 JDM SwapsHonestly, 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 themFirst 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. Many people on here have bough swaps online, and they have posted their experiences in this thread:http://www.honda-tech.com/zerothread?id=50010Possible SwapsNow 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 swapsThese 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.ProsInexpensiveDecent potential (200 whp or so on stock internals)OEM parts are cheapMore than enough for most peopleThe best D series come with ~130 hp topsOptional factory LSD in the JDM D15BConsNot as much potential as some other motorsTransmission not geared for accellerationDon't respond to bolt ons wellOnly way to get real power out of them is FI##############################################B1 6These 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.Pros160 hp stockHigh RPM powerFairly inexpensiveGood transmissionDOHC VTECCons113ft/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 modelUnder 4k or so it feels just like a D16##############################################B 18BThis is the motor in the non Type-R and non GSR Integra.ProsGood 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 themConsNo VTECLongest B series transmission###################################### ########B18C1 (or JDM B18C)These come out of an Integra GSR.ProsGood Hp and TQ numbers (170, 121 ft/lbs respectively) DOHC VTECTons of potentialHigh revvingConsExpensiveBecoming moreso as people keep scooping them upSlighty longer tranny than the ITR and B16##############################################B 18C5 (or JDM B18C)This is found in the Integra Type-R. IMHO this is the best swap for a Civic.ProsGREAT HP and TQ numbers (195 and 134 ft/lbs)High revvingHand built motor from HondaOptional factory LSDBest transmission for a B series from the factoryRed valve coverConsEXPENSIVEIf JDM ITR is used, the 36mm axle 32mm hub problems occur############################################# #B16BThis is the motor found in the Civic Type R found all over the world.Pros185 hp 117 ft/lbsHigh revvingGood top end powerRed valve coverConsExpensive- almost as much as an ITR for lower performanceVery little torque still, have to rev the motor to make power############################################# #B20ProsGreat torque (133 ft/lbs)good boost motorsinexpensiveB20z=146hpConsThin cylinder wallsHave 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)##############################################H 22/JDM F20BPros200 hpH22=156 ft/lbs torque F20B=145 ft/lbs torqueGreat torqueDONT WEIGH THAT MUCH MORE THAN A B SWAP!!http://honda-tech.com/zerothread?id=684550ConsHarder to install than a B/D motortransmission feel is vague IMHOLess 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)############################################## K20This 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*)Pros200 hp 158 ft/lbs torque (RSX R)I-VTECRespond VERY well to bolt ons6 speed transmissionMost have very low milesConsStill super expensiveMore difficult swap than a B or DWell, there you have it people. I've outlined some of the pros cons on some of the most popular swaps.############################################ ##H2B/F2BPros: All pros of H22/F20BNo custom mountsTons of potentialCons: requires H2B adapter kitRequires MINOR usage of angle grinderRequires spacers under the hoodFor more H2B informationhttp://www.honda-tech.com/zerothread...#########Check out the FAQ thread for more info on how to install them. http://www.honda-tech.com/zerothread?id=642479I myself reccomend you get the B18B which does not have VTEC but come in a handful and produce good torque numbers. If you boost that then you will have good power for cheap. You can swap one for 600 if you really knew how to do it and get it cheap. A good homemade custom turbo setup for around 1,400 tuned would also be a good idea. The B18B is def the best value for the money. B18C has VTEC and slightly more power and higher redline but they both are the same practicaly.Another motor that would be ok would be a turbo D16Z6 that come int he 92-95 civic Sis. They must have at least 30hp more out of the box than yours. Turbo that to get say 150-160whp and that will be one fast som ma ma bitch! Check out honda-tech.com , they will really help you out with the swap.Now yes there are better motor than those and combos but the problem is that for a motor neewbie like you it could leave you walking and broke.Combinations like the H2B/F2D/F2B/LSVTEC/CRVTEC and so on require some experience or knowledge and tools!H2B is an H series motor mated with a B series tranny, great displacement+short and strong gears= FAST for not so much. People say thats the future of honda swaps. LS VTEC is when u get a B18B and put a B18C head/B16A head/ or any B series vtec head on it which has VTEC and that will give you power and VTEC but if you build it wrong it will not be reliable and will blow up! CRVTEC is the same thing basically but uses a B20 block witha B18C head/B16A head/ or any B series vtec headSo yess for you an easy swap would be the B18BThe D15s are dead end, you could turbo one of them but id suggest a B18B, its worth it! Plus you can get some swap experience. Good luck! If you need help swapping check out the HT 92 civic forum FAQ thread up top, theres links on how to swap!later
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