Navigation Home Page Sign up! This information was put together by various members of the community. We provided this information by reference only! So you want to swap out that puny 91 cubic inch weed whacker engine of yours and replace it with a fire-breathing DOHC? That's cool. But which engine should you go for? The 5th and 6th generation civic owners are lucky in the fact that its bigger brothers were designed very similar to the civic in many ways.
This allows the ability to transplant various other engines from other H-cars without too much fuss. In addition you can do more than just swap out the whole engine, you could take a Vtec cylinder head and put it on your existing engine or swap out the whole engine and THEN swap the head on that.
The possibilities are many. To help you wade through this mess, First I'll talk about the different engine choices, and then I'll talk about head swapping choices and its benefits. I'll get into the pros and cons of each to help YOU decide which choice is wise for you according to your courage, budget and power needs. First off I need to mention a few things. Find out as much info from as many sources as you can find.Siji font
You should buy the helms manual for the engine you plan to get to get a complete run down of all the technical stuff. AND before I forget, remember that your stock cooling system will most likely need to be upgraded in one way or the other to cool the new bigger engine.
And plan on the safe side to be without the car for at least 2 weeks. There are other threads available in the Civic FAQ that could help you with that. Shift Linkage: These rods connect the shifter knob to the transmission. Axles: Makes sense that you need the axles that fit the transmission.
Optional, Performance exhaust: Your stock exhaust, particularly your stock catalytic converter will act as a cork to your newfound power. Replacing it with a high performance exhaust will let the engine breathe at the very least to stock specs. In which taking a trip down to the local muffler shop and making a custom exhaust system would be in order. Fuel Pump: For some of the larger swaps, particularly the 2.
If not get an upgraded aftermarket pump. Two things that are very important that I need to discuss before we get into each engine are the Rod to Stroke ratio and OBD. The Rod to Stroke ratio: This topic gets very complicated very quickly. The perfect ratio is 1. This is normally not too bad because things are very well lubricated in your engine.
*** Honda D series info and specs ***
Some examples of the sensors are O2 sensors that monitor the air to fuel mixture, the throttle position sensor that senses how open the throttle plate is at any given moment, and intake temperature sensor that monitors the temperature of the intake air. There are currently 3 versions of OBD and each version gets progressively more complex and stricter on the amount flexibility it will allow before taking action to prevent what it sees as a potentially engine damaging situation.
Learn More. Displacement ranges between 1. Power range started from 62 hp currently the smallest engine uses a 1. The D-series was introduced in and ended production in with the introduction of the 8th generation Honda Civic. Hot Rodding the D series Although the availability of used D-series engines at low prices makes it somewhat popular among those who modify it for high performance as well as a popular item for swapping into earlier or less powerful Civics for an instant and trouble free power upgradethe unmodified engine won't survive quite as much power enhancement by use of such external modifications as turbochargers, superchargers, or nitrous oxide as the more powerful, somewhat more robust, and much more expensive B-series; the Achilles heel of the D-series seems to be the connecting rods, which will withstand a substantial and noticeable increase in power up to a certain point, but will break if that limit is exceeded.
Generally, a D-series motor can handle up to about bhp. Of course, the connecting rods and other internal parts can be replaced with more durable aftermarket parts which will survive almost any amount of power desired, but some people choose to swap to a B-series motor instead in order to avoid the potential risks of engine building.
In all practicality though, the B series is much more expensive to swap in than most D-series engine builds and forced induction or nitrous combined.
The D-series also has the ability to swap some parts between different motors and among some B-series parts as well. High compression OEM pistons are a quick way to gain horsepower in a naturally aspirated motor. All D-series motors run the same bore 75 mm however, most factory motor variations i. In general, the older D motors have a higher compression height and a larger combustion chamber which create around a 9.
The newer varients have slightly lower compression height combined with a much smaller combustion chamber to create a compression ratio of 9. Now if you combine a older d16 motor's piston with that of a newer d16 head you can end up with a compression ratio like D16A1 piston, D16A6 head. There are a few websites that have compression ratio calculators for Honda motors. The D15 rod is shorter in general and has a smaller bearing size, although the wrist pin bore is the same. Other then the rod length the rest of the bottom end is D15 spec i.Avengers fanfiction wanda family
It is 0. The pistons from that motor are The wrist pin bore is the same as the B18B rod for years only. Mini Me: One of the most popular and effective methods of achieving greater power from a D-series motor is replacing the cylinder head with one from a more powerful D-series motor.
This operation is known as a "Mini Me" or partial swap. Mini Me's are popular because they offer a substantial performance upgrade, as well as introducing VTEC, to the motor at a relatively low cost.
D series engine codes and specs: D14 Series Engines 1.It depends on your future plans. If you swap the head, it will be faster than just a straight D16Y8 swap. I'm guessing that the D15B7 is the engine you currently have in there.
If you plan on adding a lot more power in the future, like turbocharging it, then you're better off going with the straight D16Y8 swap. That way you won't have to deal with some of the wiring, sensors, and need to purchase a conversion harness. You'll use your stock D15B7 distributor, engine harness, and injectors. After that, the only thing you'll need to worry about is the alternator.Cat d8 2u specs
An easy way to solve this issues, without having to hard wire a new plug on, is to swap the voltage regulator from the stock B7's alternator into the Y8's alternator. You just open up the alternator, and swap the part that has the plug on it. Full swaps are complicated and expensive. I would fix the problem at hand and leave it at that. If you have two cars and can work on one and drive the other while you work out the bugs.
The computers are very specific,and while some people get away with the obd issues, chances are you will have to change the computer to match.Best rpg reddit
Either way, if it is your only transportation, A car you can drive everyday is worth three in the garage!! You can have your car running around in no time as long you just fix your head gasket. Otherwise it could take forever. Good luck!! Short answer no. If your car is -up then you would have to do a crank position sensor bypass to put the z6 in, otherwise it will all bolt up.
You just have to swap over injectors, Alternators and distributors to make any oOBD motor fit any obd car. No need for any conversion harnesses. Trending News.
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September 30, was our first day live. Board index Drivetrain Tech D Series. How to do a Mini-Me swap. How to do a Mini-Me swap If you have a 1. While you're at it you might as well upgrade the intake manifold too. The benefit is upgrading your horsepower. The CR can also be varied depending on the headgasket you use. A thicker headgasket will give you a lower CR. The Z6 gasket is slightly thicker than the Y8.
Z6 Head Gasket by Mr. Gasket What does higher compression ratio mean? You'll need higher octane gas. I put octane in my Y8 mini-me setup. Also higher compression is not very boost friendly. If you plan on going turbo down the road with your setup, go the lower compression route.
High compression ratio is good for naturally aspirated setups. The power increase is through out the whole powerband. I don't know all the specifics of all the mini-me swap options, but I can tell you all about my combo, a D16y8 head and intake manifold from a ex being swapped to a D15b7 block.
I cleaned it up as well for the bling factor: So what do you need? Make sure the Engine is at Top Dead Center see service manual Drain the coolant and oil so you will not have a mess later on. Unbolt the header from the head. Disconnect all hoses, sensors from the head and throttle body, also unhook the throttle cable and tranny cable if automatic. Take note and mark where your distributor is positioned, then remove it and the plug wires.
Unbolt the 10 head bolts in the pattern described in the Service Manual. If you are changing timing belt and water pump as well: - take off accessory belts - Remove crankshaft Pulley using an impact wrench.
Remove the oil control jet from the block, the vtec head does not need it. This is located on the top surface of the block between the 2 and 3 cyls, it comes out with a pair of needle nose pliers. Scrape all of the old gasket from the mounting surface of the block, trying not to get any in the coolant jackets or cyls.
I used a shop vac to suck any pieces out of the cyls. Now is a convenient time to change your oil filter! They go into 2 of the bolt holes on the block to make sure everything is aligned and the head gasket in the proper place. Well the Y8 head I got did not have the pins and I did not know what they were so I figured they weren't needed.
I have never had any problems They are only a couple bucks from the dealer, replace them for a piece of mind. I used the Z6 head gasket from Mr.Forums New posts Search forums.
Dan's MASSIVE D15B8/D16Y8 MiniMe Write Up!
Thread starter nd4sped Start date Jan 28, I myself am not a big fan of the D series engine. Been there done that. Well to my knowledge that was only compatible with VTEC blocks. Well apparently not. I stand totally corrected and apoligize to any who I have said that it could not be done. So as my part to become a better informed and knowledgable Technician and ClubCivic. So grab a Snikers and get reading. If you are thinking about doing a mini-me swap on your Civic using a D16Z6 head, then this is the place to be.Lightroom presets download
I will do a complete walkthrough of the mini-me, including a shopping list of parts, tools needed, how to perform the swap, important things to look out for, what to expect when you finish, and ideas for future modifications.
BauleyCivic said:. With the oil jet in:. Last edited: Jan 28, Forums New posts Search forums. What's new New posts New profile posts Latest activity. Log in Register. Search titles only. Search Advanced search….
D16Y7 to VTEC???
All you have to do is remove the oil jet plug between the cylinder top center of the block and no need to tap the head like B-series frankenstein swaps. Bro'sslowdx It's mine now Registered VIP. EJAaron said:. Taken from bauleyCivic on honda-tech. Okay, what parts do I need to buy? What tools will I need to do the job? However, you will need a torque wrench so that you can torque the head bolts down correctly, and you will also need access to an air wrench when you do your timing belt to get the crank pulley off.
You will also need wire cutters, and some electrical tape for the wiring part. Okay, I got all of the parts and tools, now how do I swap the heads?Orajet 1917
Here are the step by step instructions on how to take your head off Taken from helms. I recommend you have the actual manual in front of you because it includes detailed pictures and diagrams : 1. Disconnect the negative terminal from the battery. Drain the coolant.Honda Civic D15-MiniMe VTEC acceleration
Relieve fuel pressure take the gas cap off 4. Remove the air flow tube intake 5. Remove the fuel feed hose and charcoal canister hose from the intake manifold. Remove the throttle cable at the throttle body. Remove the fuel return hose and brake booster vacuum hose.
Disconnect spark plug wires at spark plugs and remove them from the distributor. Remove the engine ground cable on the cylinder head cover.
Remove the power steering belt and pump Do NOT disconnect the hoses Remove the power steering bracket 4 bolts Remove the emission vacuum hoses and water bypass hoses from intake manifold assembly included in step 9 Remove the radiator upper hose and heater hose from the cylinder head included in step 9 Remove the water bypass hose from the thermostat housing.
Remove the intake manifold bracket. Remove the self locking nuts and disconnect the exhaust manifold and exhaust pipe A.Forums New posts Search forums. What's new New posts New media New media comments Latest activity.
Now I'm dropping in a new engine. I found a low milage d16y7 for sale at a great price locally. I've read that using the d15b7 intake manifold, tb, injectors, etc will allow the swap to be completed without any custom wiring or anything First, is that true?
Second, and most importantly, I need to know if I can use my current transmission. They seem to have different codes in the reference area of this site, but it seems like my old transmission should bolt up seeing everything else does.
The different codes worried me at first, but then I realized the numerous different engine codes that can fit into a civic haha The seller is including an automatic transmission, I need to keep my manual trans Thanks A LOT!!! Thanks for the replies!
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