high revving NA engine

[ichitaka05]

Originally Posted by mad_sb

Won't be gutless with a supercharger.. nothing but gains and an extra 1,100 rpm to play with over stock with the (8,500 rpm rev limit that is)

Don't want SC. I want to keep it NA. Nothing wrong w SC & 1.1k RPM redline... & I bet it'll be fun car... but I'm somewhat satisfy w current RPM.

...maybe extra 200rpm would be nice, but not complaining here

[Fnbeast86]

Originally Posted by mad_sb

7800 was a no brainer for 4B11t's.


This motor can rev, but some of the ecu tables will need to be re-scaled and it will need either cams or FI to make it worth reving deep.

I had an 09 ralliart n man that thin was fast most underrated car I swear to you

[bigjake]

my camaro redlines at 5200, and my e30 redlines at 4500. this is plenty high for me.

[xwd]

I was actually a little surprised it didn't have a higher redline. The EJ207 2L turbo motor has had an 8000 RPM redline since 2001. Way different motor though internally.

I know autox guys with tunes running the car to 7800-7900.

I for one like the midrange toque of is motor versus something which needs to be wound up to 9000 RPM.

[SiSGT86]

This is why I am waiting a few years to get used to the car as it is from the factory while waiting to see what kind of potential people can squeeze out of this motor. I'm a fan of high-reving naturally aspirated motors myself, and though I'm not expecting this boxer motor to achieve EK9 heights, it would be awesome to hear it rev to 8800.

[sierra]

Higher revving than a cobalt ss with a gm stage kit and a lot higher revving than a Harley Davidson.
Not many current models rev over 7,000rpm unless they are mega expensive.

[Mobius357]

Just a few hundred more to 8000 would have been a nice psychologically pleasing number, or even 7500 instead of 7400. Round numbers are nice. Then again, 8600 has a certain psychological appeal too.

[sierra]

Originally Posted by Mobius357

Just a few hundred more to 8000 would have been a nice psychologically pleasing number, or even 7500 instead of 7400. Round numbers are nice. Then again, 8600 has a certain psychological appeal too.

We know it's more than capable of higher rpm, it's just rev limited in it's current state of tune.

[chulooz]

People act like a higher redline means higher performance or something. Over 7k is beyond the average car... sure you can tune it to 8K but for what really?

[Coheed]

The higher redline isn't always used just because you are still making power. Sometimes the added flexibility helps you hold a gear on the track just a bit longer. If the car was completely safe revving to 8500rpm I think it would be ideal. Not because you need that extra rpm, but because it can come in handy on the course.

Not to mention it feels bad ass.

[cfusionpm]

Originally Posted by Coheed

The higher redline isn't always used just because you are still making power. Sometimes the added flexibility helps you hold a gear on the track just a bit longer. If the car was completely safe revving to 8500rpm I think it would be ideal. Not because you need that extra rpm, but because it can come in handy on the course.

Not to mention it feels bad ass.

To me what matters is the power band. I've driven both AP1 and AP2 S2000s, which can rev to 9k and 8k respectively. And while that's awesome, they are completely gutless below about 6 or 7k. You NEED to keep them in the relatively small top end powerband for it to feel like an S2000 and not a Civic EX. That's about 2-3,000 RPM of powerband. You look at our dyno charts and we have a nice flat torque curve from 4.5k-7k, giving just about the same 2-3k powerband, just shifted down a bit. More revs is not always better. A usable powerband is.

[whtchocla7e]

Considering that 90% of the cars on the road have a 6000rpm redline, 7450 is pretty decent.

[Mr.]

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nice tread BTW

[Coheed]

Originally Posted by cfusionpm

To me what matters is the power band. I've driven both AP1 and AP2 S2000s, which can rev to 9k and 8k respectively. And while that's awesome, they are completely gutless below about 6 or 7k. You NEED to keep them in the relatively small top end powerband for it to feel like an S2000 and not a Civic EX. That's about 2-3,000 RPM of powerband. You look at our dyno charts and we have a nice flat torque curve from 4.5k-7k, giving just about the same 2-3k powerband, just shifted down a bit. More revs is not always better. A usable powerband is.

You misunderstood my post. Regardless of whether you are making peak power at 8k, being able to hold the gear is useful in a track environment. I like to choose when to shift, rather than have a computer tell me I need to by abruptly cutting power. Not only does that unsettle the chassis in a corner, but it is annoying.

I'm sure the guys who have tracked the car extensively can agree. Plus, holding the higher rpm can help keep you away from that nasty torque dip.