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20

The biggest difference is that the M3 engine uses a cast iron engine block compared to the alu-sil block of the 330. Under hard (very hard) use, alloy blocks can physically twist and deform whereas the cast iron block is "harder" so resists internal forces more effectively. This is why the Alfa Romeo twin spark engines can use oil when pushed hard. The M3 ...


7

Forging is a process where hot metal of the rough shape is then very forcibly squished by exact shape dies, severely compressing the metal or alloy molecules. There are internal tensions created within the structure, which ultimately resist sheer and tension stresses by having a reserve of counterbalanced "forces" due to the myriad of tiny forge-created ...


5

There are 3 options: 1) use the ecu matching the engine 2) purchase a third party tuning ecu and get it programmed to suit 3) have a tuning company re-program the existing ecu from the old engine - this may or may not be possible - they will tell you For all 3 you will probably need the dealer level computer software to code the ecu to the engine and ...


5

So I think that you have most of the reasons in your question. But I will list a few more that I think is possible: Higher compression ratio Different inlet manifolds Probably larger valves Lighter pistons, valves, rods etc, maybe even flywheel and crank (higher red line) Stiffer valve springs, and different lifters (higher red line) All things except the ...


5

I'm not an automotive engineer, but the differences are primarily: higher rpm higher compression ratio probably a better cylinder head design (valves, ports etc.) All these things create more power for the same reason: they result in more air being displaced in a given space of time. The other details - intake design, lifters, VANOS, injectors, ECU maps ...


4

I am a CAN App programmer so I would like to share a bit of my experience. Yes, you can report false. It's even very simple. Just watch for messages you don't like and then report error. But what is the point to implement such a stuff? Then you will not be longer able to read error or some other parameters by your own. Also yes, if he is trying to ...


4

If the powertrain is identical, there's not much the ECU can do. The word tuning is thrown around a lot and means different things to different people. ECU tuning is one thing, and basically you can set the ECU to run the engine more aggressively (for power and torque) or more conservatively (for fuel economy). This usually involves ignition timing and ...


4

The only thing you can tune while keeping an engine mechanically 'identical' as you word it, is playing with ignition timing and AFR. If you have variable valve timing and you know what you're doing, you can gain some power or efficiency by adjusting that. For these things you still need a custom ECU or some other hardware though, but requires the least ...


4

GM engine management software (from your old Impala ECM) is not going to be able to run a Honda engine. If you managed to flash the Honda software onto your GM ECM, you'd likely brick the device. A Honda ECM - which you'll need to run the new engine - is not going to talk to your BCM. Even if you could get the thing plugged up correctly, which is going to ...


3

The tune might reduce the severity of the problem, but it can't cheat physics. As explained in this answer, redlining while the engine is cold puts undue stresses on the engine that shortens its useful life. Since this is a turbocharged vehicle, the tune is increasing torque output by increasing boost pressure, which increases operating temperatures: ▲ ...


3

One of the most popular modifications on pre-injection cars is conversion to multiple twin choke carburetors. For example Weber DCOE carbs. Typically this involves changing the inlet manifold which will be specific to the engine on one side and generic Weber / DelOrto fitting on the other. Another popular mod was adding a high lift camshaft, "port ...


3

You can add anything including turbos , intercoolers, fuel injection, nox injection - just takes money and technical knowledge. If you want a relevant example of design progression look at the inline 6 cylinder Jaguar engine that dates back to the late 1930's or 40's - original power about80 bhp and when they finished using it 10 or so years ago it was at ...


3

This is a very difficult question to answer. Altering the airflow path before the airflow sensor can lean out an engine, which might improve performance, but cause unnecessary heat and stress. Without dynamometer testing with careful monitoring of Air/Fuel ratios, any changes are speculation. Your current installation is probably particularly sensitive, ...


3

I think it's a very laudable enterprise. I also think your "fish" isn't gonna last long. Your best bet is to convert to an aftermarket injection and ignition system (Haltech comes to mind; but there are many others.) OBD II is all about emissions compliance. If you really want to explore the extremes, it's gonna be about your tune. You need to gather ...


3

In the turbo applications I am familiar with, both a wire or film (better) type MAF is used, in conjunction with a MAP, IAT, ECT, etc. Specifically on turbosupercharged Subarus, there's knowledge to be gained by also knowing intake pressure. Ultimately, you are trying to reach the best AFR. Things change a bit when supercharging, whether mechanical or ...


2

For you backfire check the following components. Clean Spak plugs Clean carb Clean air filter If the other two dont work then there might be issue with valve seating, not 100% sure but there are chances since its old vehicle. For your battery issue. Check check the alternator/rectifier


2

As I noted in the comments, I don't think the ECU is programmable, hence why you can't find anything on the topic online. It can still be "chipped", i.e. removing one or more EPROM's and soldering in a flashed substitute. Alternatives you could try are either; a) swapping out the entire ECU with an aftermarket unit, e.g. Diktator, Spitronics, etc or b) ...


2

I wish I could provide you with facts, I map to reality and facts are the basis of it. Alas, I cannot. I do not believe you will have valid information unless you sample the stock 02 sensor and map output without change other than a cue of the stock 02 sensors rolling through. The only way to determine truth regarding the matter is to buy a bunch of the ...


2

Remaps are often not about significantly increasing the top-end power, but changing the shape of the power and torque curves to suit the intended use of the car. A normal road car, such as your mondeo, will be tuned to suit the average road driver - it will idle nicely at rest, and pull fairly smoothly through the lower end of the range, and will be fairly ...


2

Does it happen at any throttle setting? It looks like your 2002 ZX-6R is carbureted, so it could have something to do with your jets. Different components of the carburettor are responsible for different throttle settings. If its actually low throttle settings instead of low engine speeds, I'd try cleaning the carbs and adjusting the settings. Otherwise, I'...


2

normally it would just be changing gear ratios/final drive just like you said, you could also do different tires/tire sizes as well, the person could go as far as changing the transmission if they really wanted. so yes, typically it would be something mechanical. (gear ratios I would say)


2

As explained in other answers, the short of it is, no it is not easily feasible. For your purpose, a tunable after-market ECU would be necessary. You may be interested in an open-source ECU, that you can build yourself, provided you have some electronics and programming knowledge. It's been ported to 40 different vehicles so far, and you can add yours to the ...


2

I'd suggest a good starting point for you to look at is the tuning options available within the Gran Turismo games (4, 5 or 6, haven't played the earlier games so I don't know how the tuning options vary in those games). Lots of the time they don't allow you to do modifications you couldn't do in real life (due to restrictions of the type of engine etc.) but ...


2

TL DR: I would suggest you have an exhaust leak up stream of the sensor location. I know you said it doesn't have a leak, but I'd suggest you just haven't recognized it. Valve overlap only occurs between the exhaust cycle and the intake cycle. Valve overlap will only allow exhaust gasses to revert (called reversion) back into the combustion chamber during ...


2

As stated, it definitely could be a belt. It also sounds like the bearings in your alternator are going out. I think it may be a combination of both. Being that the screeching increases when you turn anything on that would pull more power from your alternator, combined with the other symptoms you've stated, the alternator is the absolute first place I ...


2

I would suggest that you look at Megasquirt - it's a DIY ECU, and was designed from the start to allow people to learn about engine controls and how to adapt them. From their website: MegaSquirt is all about education and learning – its very existence came about as an effort to understand engine controls, and how to adapt to a multitude of applications. So ...


2

"Ride stiffness" refers to the spring rate, or road feel, of the entire vehicle. Does a rough road jar your teeth? "Roll stiffness" might be created by anti-roll or anti-sway bars, and refers to the resistance of the body vehicle to "leaning" over due to weight transfer when cornering. It's worth noting that nothing can be done to prevent weight transfer; ...


2

I believe you are going about it slightly wrong. Here's what I found out about the adjustment for the Q-jet: Start by completely warming the engine and setting the idle speed where it’s comfortable, and the engine will still idle in gear without experiencing problems. First, check to make sure both idle mixture screws are adjusted equally. Next with the ...


2

Qjets are bad about the secondary metering well plugs leaking fuel which causes a rich condition, this explains why vacuum never drops off. Most Kits include a metering well closed cell sponge to stop this. This is not a permanent fix as they eventually leak through the sponge, and needs replaced occasionally. This is a more permanent fix to the problem but ...


1

Usually these processing units in your case the dictator mangement system functions are programmed into a chip. So it just boots when the battery is on. So they cannot be erased until you reset them using a hardware programmable device which mostly the service centers have. They will mostly reset the dictator system but not be able to change how it works. ...


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