I have heard about a bunch of parts and would like to know how they work

1. Blow off valve
2. Wastegate
3. Torque convertor
4. FWD transmission
5. the diffrence between centrifical and roots type superchargers
6. Misfire system
7. Sequential transmission
8. Line lock

Any info would help alot.

1. Blow off valve - A valve that gets installed between the turbo and the throttlebody to relieve pressure and keep the turbo spooled up in between shifts. Its really meant for tubo stick shift cars.

2. Wastegate- A valve on the turbo to prevent it from spinning past the turbo design limits.

3. Torque convertor- The part of an automatic transmissions that makes autos slower than their manual counterparts! ---- :P :lol:

4. FWD transmission - Front-Wheel-Drive transmission

5. the diffrence between centrifical and roots type superchargers--- I don't know

6. Misfire system-Are you talking about timing??? if not I have no idea what you mean.

7. Sequential transmission - I don't know

8. Line lock- It's a hydrolic valve that locks up the front brakes (you see those RWD cars doing burnouts but they don't go anywhere....the line lock is why.

1. See intlcutlass answer.
2. I think it's the same as the Blow Off Valve...
3. It's a part that converts torque from the engine and gives it to the primary axis of the gearbox. See intlcutlass answer. It's made of two openings or sth which contain special oil, and there is also a kind of fan connected to the engine that pushes oil from the first opening to the second, and the second opening moves and gives torque to the gearbox. I don't know many details... btw it's torque converter.
4. What exactly do you not understand about that?
5. I don't know either... btw it's centrifugal.
6. Don't know. Are you sure you got this term right?
7. This term is used for a special category of gearboxes. These gearboxes are just like manual gearboxes, the only difference is that the clutch is operated electrohydraulically, and it shifts very fast. The BMW SMG II is a sequential gearbox. Sometimes the term is (falsely, IMO) used for automatic gearboxes with +/- buttons.
8. I don't know.

thanks for the help. But i know what they are basiclly. I'd like to know how they work. And i've heard a misfire system is something that WRC cars use. It's the thing that makes the popping, gurgling sound when they step off the throttle. And i'd like to know how FWD transmissions are mounted and of course, how they work.

so nobody knows any of this stuff?

Your questions are IMO too general. You should try to make it more specific.

all i want to know is how these all work. Like the mechanics. I'd also like to know the benifit of having them.

Well FWD transmissions are linked straight to the "driving gear" and have a limit of about 250hp. Obviously more can be pushed through, but it can create too much stress on the cars and tends to make the cars a bit "on edge" with handling.
FWD cars tend to handle better than RWD, 4WD & AWD at low speeds, but can understeer at high speeds.
I also think that Misfire systems are used in WRC cars, but I am unsure of their purpose, so I am also awaiting an answer on that!

I'm not sure if this answer is too vague, but I'm picking up bits of info every day and slowly gaining knowledge!

Also, what does IMO mean when used in conversation as in jimkk29's post???

IMO = In My Opinion

i have seen both of the supers alls i know is that 1 is a black type box that goes intop our the side of the engine the other is in the shape of a turbo i did read about it but forgot cuz it waz like the first car thing i ever read so i really dont think i would remember ::) but i do know how they look like thats about it

I have heard about a bunch of parts and would like to know how they work

1. Blow off valve
2. Wastegate
3. Torque convertor
4. FWD transmission
5. the diffrence between centrifical and roots type superchargers
6. Misfire system
7. Sequential transmission
8. Line lock

Any info would help alot.

Blow off Valve : See intlcutlas answer

Wastegate : See intlcutlas answer

Torque Converter : See jimkk's answer. Without seeing one function or staring at one for a really long time you arent going to understand it. :lol:

Fwd Transmission : Is transverse mounted to where the rotating assembly of the transmission is parrallel to the crankshaft. Meaning everything rotates on the same axis, and there are no 90degree turns. They usually have to be designed as compact as possible (they sit right under and either slightly behind or slightly in front of the engine) and dont usually have very high torque ratings at all, which is fine because they are usually coupled to low torque engines. In which they prove to be decently reliable, especially honda gearboxes.

Centrifugal supercharger mounts on the front of the engine and has a design not unlike that of a turbos. Except it is driven by a crank pulley using the accessory belt. A roots style has two counter rotating blades in a elongated metal housing that attaches directly to the intake ports of an engine. It too is driven by the crank and uses the front accessory belt. Look up a Jackson Racing Supercharger or an Eaton unit off a lightning or 2003 + Cobra. For a centrifugal look at a vortech, paxton, or procharger unit.

Misfire system : You probably mean knock sensors. Unless you clear that up though I cant answer.

Sequential Transmission : Any manual transmission that uses a single motion either forward or backward to select the next gear. For instance most transmission use a standard "H" pattern. A sequential, like that on motorcycles, uses a bump up or down to select the next gear. Sequentials shift much faster and at speed usually dont require much clutching with a good driver.

Line Lock : Allows you to press the brake pedal, flip the "line lock switch", and release the pedal. The "line lock" locks only the set wheels you dont want to move. For instance when I pull into the staging area at the track in a rwd car and I need to heat my tires really well I will step on the brake, flip the line lock, release the brake (the line lock is holding the front tires locked but my foot coming off the pedal unlocked the rears. So now the front is locked, rears not, see?) and commence my burnout. These are usually used on cars with super sticky tires that wouldnt burn out so easy without them. Or simply by guys who wish to save maintenance on their rear brakes by avoiding brakestands.

thanks man. That helps alot.

the misfire system is a name made up by Initial D for a system that WRC cars use to keep the turbo spinning when the throttle is lifted. It is normally called an Anti-Lag System (ALS). The general idea is that when you lift off of the throttle when entering a corner the A/F ratio is made rich, and the ignition timing is retarded. This allows air/fuel to enter into the exhaust manifold. Because of the heat of the manifold, it ignites and spins the turbo. That way, when you get back on the throttle, the turbo is already spinning fast and the engine will respond without any turbo-lag. It will destroy an engine in short order, so it is only sensible in a full race engine that can be rebuilt after every race.

husrt is famous for line-lock shifters, see if they have web site, line-lock was popular on drag racing muscle cars back in the day