I can't say for sure but I was told that by an owner in Japan in a thread discussing differences around the world.

 

My Limiter cuts in at 180 KM as tested on the tohoku one early morning..... Be careful of the unmarked poilce cars on the daisankehin!

 

Really? maybe I need to go out and test it again!

Maybe after I get the radar detector....

The Daisankehin seemed relatively free of patrol cars, talking about a false sense of security...

Actually, that night I did slow down at that time because a car was coming up really fast on me... I thought it was a patrol car chasing me down, but it actually a BMW 330... (his plate said 3-30, too)... he must have been doing 200 plus... he blew right past me,...

 

imported cars such as a BMW don't have the 180km/h limit..

but the Honda does..at least my 2001 model ECU has this cut. I think it gives you a few seconds before it cutst..so maybe you can peak it slightly above 180km/h

I think mine was sitting at 180km/h for a few seconds and when I nudged over it a bit it cut..which is like hitting the brakes..

plenty of S2000 engines have failed in Japan...but really depends on how the owner drives it...remember the Japanese are not used to manual gearbox too..so over rev is highly possible there..

the car also suffers from oil surge, so if you track the car - put R compound tyres on it..you can get an engine failure due to lack of lubrication during cornering. Apparently 130R at Suzuka is the killer corner for the S2000 engine...(un modified)

change to make is put a baffled oil pan..as this prevents the oil surge...however this would be too expensive for Honda as a recall..so they did the oil bolt. When I talked to tuning companies who know the S2000 very well..they don't bother with the bolt..but change the pan.

 

That's very interesting. Care to mention the Tuning Shops that are saying this? Also, that raises two questions: If the bolt issue was not related to long periods of high speed but rather severe cornering at high speeds (ie, tracks, etc) .... why did Honda select the countries that they did for the bolt recall and why did they do the bolt recall at all if that was not the solution?

 

it was an off record comment - I asked to see the nozzles they used in their race engines.. for the Japanese super endurance races where S2000 is a Class4 car - 100laps or so of Suzuka etc.. and they were the standard ones. But they had a different oil pan and different oil pump..plus oil cost $50 per litre + engine rebuild per race..

they said a standard engine..running with mobil 1 or equivalent would not last inside a super taikyu racing chassis at suzuka..

possibly I am making the wrong conclusion..i.e. there can be different failure modes - track racing..and autobahn driving.....

anyway I have switched pans and improved the oil spec on my car..but not done the oil jet.

 

At some point in the 2003 model year Honda changed the oil pump for the S2000 (new part number) and there has been speculation that this was the solution rather than the bolts. So what you heard may well have been true and the baffled pan would make sense in a race environment.

 

interesting, didn't know that.

do you know if the pump is a retro fit part for earlier models.....or more things to change?

I could have got more detailed info..but their english is not good and my japanese is useless..

 

We had oil pump part number 15100-PCX-013 and now it is part number 15100-PCX-023. As for retrofitting, I am not aware of anyone who has tired it yet.