Hello fellow D Series people. Like some-most people in this site, I am a newbie and I was wondering if we could post somewhere (if one isn't already posted) a D Series FAQ. Some of the questions would be:
Q: What defines a D Series engine?
A: Something like economy engines that come stock on typical Civics lx/dx/cx or certain integras, less than "x" horses, etc.
Q: What are the specs on a D Series engine?
A: Like my civ has 102 hp @ 5900rpm, 9.2:1 compression, etc.
Q: I have a stock civic LX/DX, what is the first thing I can do to get performance.
A: Standard exhaust/cold air intake answer with a rough performance estimate.
Advanced questions could be like:
Q: I'm thinking of swapping engines on my ride, what are some common/recommended types?
A: B Series? H? I don't know.
Etcetera.
Then this could be the faq before posting to reduce a lot of redundancies. Also - if any body already has or knows of a D Series FAQ, please reply. Thanks!
If I do compile one, I'll post it, but I'll probably have questions for your guys.
If you guys can "pool" some D-series specs/FAQ's together I will add it to the FAQ's. I am too lazy to do it all right now... any one up for it!? You can earn some brownie points!
Anything you want to know, I will tell you If I don't know the answer (imagine that ) I will be sure to find it! We really do need a good FAQ to help everyone out!
__________________
2000 Civic EX Coupe 5-speed
Finally getting motor back together...hope to be done by the end of August...
D16Y8 longblock and pistons, LS rods, micro-polished D16A6 crankshaft, ACL race bearings, complete rebuild.....then comes custom T3 setup intercooled boosting 12psi
I'm currently reading the Honda Engine FAQ on the honda performance webpage before I ask a few more questions, but here's a couple:
Also - if you know of websites that answer these questions, feel free to post them.
Q1: After adding a CAI/Exhaust/Header, what should I do now? What are some options and their pros and cons? What kind of performance boost will they give on the typical D Series engines?
Q2: Engine Swap Question, something I have to do a little more research on, and going to be a significant part of the FAQ, but what engine types are swapable with D Series? I know a few already have VTEC (d16z6, d16y8), but what are the issues associated with swapping different engines? Cost, performance? Turbo-able?
Originally posted by kungfoobar Hello 00CivicVTEC,
I'm currently reading the Honda Engine FAQ on the honda performance webpage before I ask a few more questions, but here's a couple:
Also - if you know of websites that answer these questions, feel free to post them.
Q1: After adding a CAI/Exhaust/Header, what should I do now? What are some options and their pros and cons? What kind of performance boost will they give on the typical D Series engines?
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You can go Forced induction, High compression Naturally-Aspirated, or Nitrous Induced!
You can decide wheter to go high-hp or just some extra pep, what ever is to your needs and budget.
* The forced inuction route
con: you will no longer need your intake, and with a turbo you won't need your header, so you are replacing the parts you just bought for your car, and losing money. Also, a price tag of around $2000 and up might not appeal to everyone. Forced induction systems must be maintained.
pro: expect around a 50hp+ increase, 5.5psi (Greddy Turbo) is standard, and fine on stock internals, and this will produce around 50-60 additional horsepower on a D-series motor. If you are serious, and want to build the engine (lower compression pistons, 9.0:1 (je or srp), rods (eagle or crower), etc., you can boost up to around 20psi if you install a blockguard (and bore the cylinders after, because a block guard will distort the upper cylinders....you can JB weld it in to secure a secure, permanant fit). 20psi on a tuned, built motor will be around 400hp on a D-series. You can also install iron sleeves (Darton, Golden Eagle, etc.), and you can hold around 30-40psi for about 500-600hp! The JE (not SRP) pistons will hold that much HP easily, the eagle rods will hold around 700hp, and believe it or not, your stock crank will hold every bit of 600-800hp! Installation of ARP head studs, as well as a good copper gasket (Greddy, etc) will insure that you won't blow head gaskets. You can also O-ring the head to ensure you won't blow a head gasket.
* High Compression
con: Must know what you are doing, or get someone who knows how to tune your engine (Fuel controllers, etc)
pro: Naturally Aspirated power is MUCH faster than forced induction power! Why? Because you have more low and mid-range power (flatter torque curve)! With proper fuel and ignition tuning, you can run up to 12:1 on 93 octane gas. You can run around 14:1 on racing gas. A good number for the daily driver would be 11.5:1. Generally, for every 0.1:1 point raise in compression over stock, will produce a 1% increase in overall power.
* Nitrous
con: Can blow your motor if you don't know what you are doing! Don't hit your gas cutoff, don't use it unless your car is warmed up, don't use it for more than 15-20seconds or so, properly monitor air/fuel ratio with a gauge,colder spark plugs, etc, etc.
pro: You can gain tremendous horsepower with the touch of a button! Does not have to be used all the time! (less stress on engine). A 50-55shot of nitrous is the most common. The "shot" rating just means hp added at the flywheel (there are a few kits that rate "shot" as hp added to the wheel). Up to a 75-shot can be taken on a stock D-series motor, generally. This is not reccomended, however, until you at least upgrade your fuel pump to a Walbro 255lph (they make Holley and all the others).
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Q2: Engine Swap Question, something I have to do a little more research on, and going to be a significant part of the FAQ, but what engine types are swapable with D Series? I know a few already have VTEC (d16z6, d16y8), but what are the issues associated with swapping different engines? Cost, performance? Turbo-able?
Request for D Series FAQ
" . . . set - the - gearshift - to - the - high - gear - of - your - soul . . . " 
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