Cobb AccessPort for 370Z!

Denny McLain

Semtex

I thank you sir.

Note this is SAE and not standard so the power is probably 5-6 hp less than what most people post. Regardless, low in my opinion. Bone stock with 300 miles on it the car made 275.4 (SAE) and with just a Y-pipe and Berk cat made 288.9. IF the two dyno's read the same, the car only picked up 15 hp from Gen III intake, Headers, full exhaust and tuning.

As mentioned.........I'm completely stumped and ready to punt. Step 1 is to call Cobb so I can get the programmer and tuning program working. Step 2 is a revisit to my origional dyno.

westpak

Was yours on a Mustang dyno? If not and it was on a Dynojet you need to add about 10% to the Mustang dyno numbers to get similar Dynojet numbers.

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Denny McLain

Depends upon the software. Because the Mustang always reads lower than a Dynojet and people want big numbers, they tweaked the later software to read closer.

Another confusing part is Cobb had a dyno sheet for a stock 370Z that made 289 rwhp. That's 14 hp more than what my Dynojet stock baseline was.

"Confused like a big dog" is the key statemdent so many things don't add up. The power output really should have changed with the air/fuel ratio. The only thing I can do is get the software up and running and give it another swing at bat.