Reply to thread

See what others are reading now! Try Forums > Current Activity

Message: <blockquote data-quote="Acoustic" data-source="post: 221836" data-attributes="member: 728">Lets explain all ignition system (that I know of)1st distributor 2nd waste spark (dual coil firing 1&4 then 2&3 and needs a crank & cam angle sensor, still have 2 plug cables)3rd COPs (4 coils, each coil above each plug, no plug cable, still needs crank & cam angle sensor)1st - no need to explain, I'm sure everyone knows2nd - coil is smaller than distributor type by 1/2 - but runs 2 coils. The triggering is from the ECU (i.e. requires ECU with pre-programmed waste spark system).Although the triggering is from ECU, which is software, it still needs a hardware to physically triggers the coils.The hardware is called a "ignitor" and waste spark system either runs 2 single channel ignitor or run 1 dual channel ignitor. standard GZE system runs 1 ignitor but dual channel, so does the mitsubishis. Except of old models.Finally, COPs.It will require a ECU with software for 4 triggers (software).The hardware is a 4 channels ignitor.The coils are 1/2 size smaller than waste spark. So this makes it 1/4 smaller than distributor type.The reason they can be small is because their resting time is 3/4 longer than signal coil.Their resting time is 1/2 longer than waste spark.The ignition timing is only 0.5 degrees more accurate than distributor, no big deal, easily correctable by any methods of spark plug gap, or distributor angle.All these ignition systems still needs a measurement devide. The standard distributor can be modifed to become a measurement device only, just like GZE and mitsubishis type. No need seperate crank & cam angle sensor like WAJA.This is not necessary the best, but definitely less maintaince. Seperate crank & cam sensor means 2 sensor, often the crank sensor will be damage when changing timng belt because they are electro-magnetic measurement device, they are very prone to shock / vibration damages.Sticking to single crank & cam sensor like GZE and mitsubishi reduces this chance of damage.The difference / advantage is techonology is miminal, negligible for people like us. Only F1 needs to worry.Summary, it's not only dist versus waste spark versus COPs, it's also what kind of measurement tehcnology to use.</blockquote>

Verification

The Marketplace Latest

original rare R-Pride Wado Sakura flower 15x5jj...
- Started by david tao
- Chassis and Wheels
original rare Yokohama ADVAN Racing TC4 17x8jj...
- Started by david tao
- Chassis and Wheels
BRAND NEW original rare Yokohama ADVAN Racing RG3...
- Started by david tao
- Chassis and Wheels
original FD2R akagakiracing titanium 2.75” exhaust...
- Started by david tao
- Engine and Performance
original GT86 BRZ akagakiracing titanium 2.5”...
- Started by david tao
- Engine and Performance
2pcs only, original rare spec Rays Volk Racing CE28...
- Started by david tao
- Chassis and Wheels
original rare Yokohama ADVAN Racing RZ 18x8.5jj...
- Started by david tao
- Chassis and Wheels
original rare spec Rays Volk Racing CE28 16x7jj...
- Started by david tao
- Chassis and Wheels
Honda CITY 1.5 E (A)
- Started by PIstonHeads
- Cars for sale
original BBS RE013 18x8jj offset +50 5H pcd 5x112...
- Started by david tao
- Chassis and Wheels

Posts refresh every 5 minutes

Jammed RB20 Auto Gearbox

Sifu's!

My problem Recently:

Auto Transmission RB20:

1st gear - No
2nd Gear - OK
3rd Gear - OK
4th Gear -No

Its drinking my fuel like crazy!
Anybody here got...

Saturday Run

Anyone interested in a morning run in Ulu Yam/Bukit Tinggi this Saturday (7/8/2010)?

Brake Calipers and Rotors Differences

Hi Sifus,

Just wondering, are there any differences between the AT and MT Altezza for the Brake Calipers and Rotors?

Also, I want to change my rotors, if possible to those gorgeous slotted/drilled types. Any...