Power House Amuse ECU

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Apr 10, 2003 | 04:14 AM

#21

Ben Davis

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Joined: Jan 2003

Posts: 138

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From: Buckeye country

Quote:

I thought it was like 300-400 RPMs lower???

It may have been, to MY knowledge i thought it was a lil more but i could be wrong....

Quote:

An easy way to know where to shift is to look at the power curve. The goal is to maximze the area under the curve, and since the power hump is often close to symmetric, you can estimate pretty quickly by centering the power peak in your RPM band (not the total RPM band, but for instance if the RPM's drop by 3000 when shifting near redline you would want to shift about 1500 past peak power). Since very few cars make peak power far enough below redline to accomplish that, you pretty much always want to shift as high as possible.

I have to disagree, some people say you should shift 10% past your power peak (power peaks at 6000 then shift at 6600) but that is an arbitrary number

Take a dyno, figure out torque (AT THE WHEELS after the gearing multiplys it) at redline, find out (according to gear ratios) where you will pick up the next gear, figure out new torque at the wheels, if torque is about + between gears thats your shift point, if torque is higheri n the next gear you need to shift earlier, if torque drops dramatically then you need to hang on longer (or as long as it is feasable based on your redline) do not calculate shiftpoints by the HP curve, I will state again that HP does not move your car, torque does.

Ben

Apr 10, 2003 | 08:17 AM

#22

webcarconnection

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Joined: Oct 2002

Posts: 1,383

Likes: 0

From: Puerto Rico

Quote:

Originally posted by Zaphod 350z
Here's an email I got from the Mines' exported at the end of March...

Dear Eric

Thank you for your e-mail to Mines.

We are the agent for Mines for export business.

They said that they can finish VX rom for 305Z around end of May.

So we will keep you informed

Best regards,

K.Kobayashi
TOSHO Machinery CO.,Ltd.

Granted, it turned out the Kobayashi was working for Kizer Sose, who was actually Verbel Kent, but with his kind of pull maybe he can get the ECU's earlier... (insert laugh track here)