Dyno numbers-what do you think?

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Oct 17, 2010 | 09:44 AM

4 inch pistons

Thread Starter

Road Master

Joined: Aug 2010

Posts: 992

Likes: 143

From: eastern NC

Dyno numbers-what do you think?

After reading some in the EVO section, I decided to switch out the cam in the EVO. The bike has always ran good and the previous owned has added just about everything you can add to the outside.

When I took it to the local wrench I decided to let him put it on the DYNO for a few adjustments and he came back and told me the cam in place now was not stock. It produces 73.5 HP @ 4500 RPM and 79.2 Ft lb of torque@ between 4000-5200 RPM.

I know there is a ton of knowledge here. How does those numbers compare with a stock EVO or twinkie and what cam do you think it may be?

All thoughts are appreciated. I will also post in the EVO section.

Oct 17, 2010 | 09:56 AM

WRAITH

Road Warrior

Joined: Sep 2006

Posts: 1,278

Likes: 2

From: Mission,BC.Canada

What is the engine displacement?

Oct 17, 2010 | 10:49 AM

4 inch pistons

Thread Starter

Road Master

Joined: Aug 2010

Posts: 992

Likes: 143

From: eastern NC

Standard 1340 cc (unless that has been tinkered with also, but I don't think so)

Oct 17, 2010 | 10:59 AM

geargrinder

Road Master

Joined: Dec 2006

Posts: 1,058

Likes: 6

From: Omaha Nebraska

I don't see how your questions can be answered, your dyno numbers are close to meaningless unless the dyno brand, what correction standard (if any), and smoothing factor was used.