Has anyone here driven one yet ??????







Didn't think so

 

anyone?

 

i heard the delivery date for the US dealers was pushed back.

 

hmmm....

 

sigh just to bad they didn't come out with more HP or at min a lightweight exhaust.

 

Legendary Honda Senior Chief Engineer Shingeru Uehara, responsible for the Acura NSX and the orgininal S2000 and who considers the CR to be his legacy car to Honda as he is retiring in a few months, has stated that Honda has gotten everything out of the base engine they can without going to forced induction. Since the 2008 model year is to be the S2000's last production year, Honda simply couldn't justify the development and tooling costs of turbocharging or supercharging the engine, or developing a more powerful naturally-aspirated engine (even if it would fit in the car).

The article on the CR in the current issue of Sports Car magazine states that Honda says that the upgraded exhuast system on the CR lets the engine kick out 3-4 more bhp on the dyno. Not a lot more, but a significant bit.

 

3-4 BHP? Is that like .5 rwhp

 

Don't fall for the marketing trap. Remember if your engine makes 120hp and dyno it at 100whp. You upgraded exhaust and increased 10hp. You will have 130bhp and 110whp. Hp is Hp and wheel hp just accounted for the deduction in drivetrain loss.

So does the CR has more hp?

 

I thought we're talking about a fixed % loss based on teh drivetrain, and so if you got 10 more hp at the flywheel, some percent of that would be lost at the rear wheels, so it is not a 1:1 gain. Say 80% of what you get at the flywheel will be at the wheels (ie:assumes 20% loss). So 10hp at flywheel = 8 hp at the wheel.

 

Drivetrain loss is not a set %, but a set amount of power. Look at it this way, if you tried to spin the transmission using only the strength of your arms, would 80% of your arm strength make it to the wheels? No, 0% would, because you need x amount of power to make it move.

That x amount of power is different for each car. Therefore, when you add power via mods, all but a very small % of that would make it to the wheels. The small % would be the loss due to increased inefficiency (intertia, increased heat, etc.) but certainly not even close to a 10%-20% loss.