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Initial D 4th Stage comments... - Archive Topic (Locked)

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Usagi_Yojimbo:
Hizoly fizuckering shizack, Thank you Live-Evil, the day finally came, all this waiting made it a sort of surpise, Big smile on my face, hooray!!!!!!!!!!!!!!!:)

Mirage:
before I begin educating the younger ones here about ecu's and such I would like to thank live-evil for all their hard work...I'm gettin ep 5 right now, I didn't see it yet because like many others waited for the guaranteed quality we always get from these guys, so *salute* thanks a lot guys...you're work though uncompensated is very well appreciated by many...ignore the idiots that bitch and whine

chAi - about the Tach's...it has to be the same one Bunta had on reserve because they got it from the same dude, they called all sorts of auto stores and what not and couldn't get an aftermarket tach that went past 9k..you'll note Bunta didn't tell Takumi how far he could rev it until the work was done, and Takumi felt one thing, 'that the car was making power right when he had to shift' so they had to go shopping for a tach that goes past 9k...which, at least stateside, is very expensive and must be special ordered...also, the fact that they ended up calling Bunta's mechanic implies thats what Bunta was going to put it in the car, go back and watch the ep and you'll see them try to get it from other places, and end up getting this guys "last one"...at least thats what I think, maybe these tachs are readily available in Japan and the sub I watched was really bad...but more than likely if you correllate it with real life he got the same one his dad ordered...

about the rev limiting....go watch episode 4 again, Ryosuke tells him not to look back for many reasons.  Among those reasons one is so he can focus on his driving, he has to focus on his driving because he has to shift up at 9k, no tach will stop you from going to the redline...esp not an aftermarket tach so rev limiting is something Takumi did with his right foot, which is why he is still so freaking amazing, thats really hard to do especially when your opponent is right on your ass...

finally we get to the topic of ECUs...first and foremost when they CHANGED THE ENGINE out of his car they HAD to install a new ECU.  Basically the ECU has maps for what the engine needs at what speeds and it monitors if something is going wrong (knocking, etc.).  I'm pretty sure there is always some stupid electrical trick you can do to piggyback no matter how old the technology is (maybe instead of piggy backing you add a standalone instead, who knows) but Killjoy, when you say "I know as I have driven one"....what the hell did you find out about the car's ECU by driving it??
Really I want to know what you found out...or do you have any idea what the hell  you are talking about, I want to know what you found out about the car's electronic management by driving it...
Some of your other posts sounded understanding and all and you seem like a very competent person but don't post about stuff you don't know, thats just ignorant..

Enjoy the new eps, I know I will thanks to Live-Evil very much for still posting them, its greatly appreciated...

final note: I don't hate either of you  (killjoy or chai) I'm just pointing things out to you guys that way next time you will have a better understanding of things, if you have questions about stuff feel free to reply here or PM me, I just don't like when people talk about stuff they clearly don't know...in this case with the ECUs

xiaochefy:
thank god thanks to live-evil.org to sponsor us this anime thanks alot for your hardwork ... am now downloading it heh hope it finishes it by 10 so i can watch it just nicely inorder to go and work tomorrow in the noon heh ^^ good night guys cheers !

KillJoy:
I just meant that I drove the car and looked at the guts of the ECU and saw how primitve it was. It was a friend's car and I noticed it wasn't very good at knock control with the orginial ECU and he was wanting to know if he could get a piggy back to fix that and I told him at the time I didn't know anyone that was selling a unit to fool it.  It was on par with a VW digifant from the early 80s.

as for the motor in the new 86 I found some info on it for everyone.  I'm guessing He has the actual race motor but here is a detail set up of the silver top 5 valve toyota motor:

THE 4A-GE 20 VALVE

The 20-Valve 4AGE replaced the 4AGZE Supercharged engines. Just like the early and late 16 Valve 4Ges, they also underwent revisions.  The Silver Top was introduced in the Corolla AE101 (1992), and the Black Top in the Corolla AE111 (1997).  Both engines used Toyota’s version of Variable cam timing- VVT.  Bore and stroke remained as in the original 1st and 2nd Generation 4AGEs (early) big port (TVIS) and (late) small port (non-TVIS).  Similarly compression was upped in the later models.  The blocks are identical to the late model AE92 generation blocks (and naturally the SC blocks too).

The 20-Valve engines never came officially into the US (and many other foreign markets where the old 4AGEs were available- and of course it imparts a very exotic presence.  The individual throttle bodies look like they came off the fabulous 503 race engines.   Think about it, no Toyota factory RACE Engine had 5 valves per cylinder!!  Yamaha- who works with Toyota on cylinder head design (and manufacturing), have been a very avid pioneer and supporter of the 5-valve design.  The short-lived Yamaha Formula 1 engines had 5 valves per cylinder.  In terms of maximum valve to surface area- the 5 valve design cannot be beat- theoretically and geometrically.

Aside from the obvious 5-valve and variable timing cylinder head design- the difference from the 4-valve is the dramatically reduced weight of the internal components.  Pistons, connecting rods, and to a lesser degree, crankshafts have all been updated with lighter weight design.  The good news is that it remained an iron block- the engines were still on solid foundation for heavy and serious modifications.

Between the Silver and Black top- the later Black models came with still lighter rotating components.  Laying out the engine components side by side…there are miniscule differences, Toyota was tuning the engines to a higher degree by rotational mass reduction, a lesson advanced from the earlier lightweight block design (of the pre-multi-valve engines).   The difference in the connecting rods between 16 and 20 valve engines is dramatically surprising.   However for purposes of radical modifications a Silver top will probably be a better engine to work with (slightly stouter rod).

In Japan these engines were used in Formula Toyota, a series much like Formula Atlantic where there is only one SPEC engine available to all competitors.  The magic of 20-valve is apparent on the ability to attain and sustain a high RPM threshold.  The addition of variable cam timing allows the engine to surpass both low-end torque and high RPM horsepower figures of the older 4AGEs.  This is the closest to race spec engine Toyota has ever produced.

In terms of Toyota technology, the twin versions of the 20-valve engine- out specified any previous offering in naturally aspirated form.  This is the last true iron block with the ultimate head design and intake set-up.

here http://www.toysport.com/Technical%20Information/4ag_tech_notes.htm
is the link for the full scoop on toyota motors for performace.

I've read that the race version makes more like 230hp, but I can't find anything to really back that yet.  Ao till I find out we can assume that if he is running the race motor instead of the silver top he is pushing more than 170hp which is decent for a 4cylc with no turbo or super charger.

angelan:
nooooooooooooooooooooooooooooooooooo it's realeased!!! and i'm at work :( *phooey to work*

=) but in anycase :) Thanks L-E!!!  I LUVZ YOUSSSSS :D

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