361HP, 381ft/lbs of torque.

It is official, got it at pontiac underground. (http://pontiacunderground.autos.yahoo.com/blog.php):)

Headers, CAI and tune will take it over 400hp easy!

I thought it was official a month ago.

It was, but the SAE certification is a witness test.

Excerpt

Our certification group out in Milford is still finalizing the fuel economy numbers but we should see some good stuff."

Apparently the final statistics aren't out yet for Fuel Economy; as if its really that important.

It was, but the SAE certification is a witness test.

Chances are, any promotional materials for the car will carry these numbers.

The SAE cert is basically to say that you will get what those promotional materials say.

This should be an awsome setup to build from.

This should be an awsome setup to build from.

x2

chrish

If the car is making 361 at the crank on 87 gas, another 40 hp should be easy to hit just with the tune :)

Will this ECU bump the timing automatically like most GM ECUs in the US for higher octane? You can pick up a few ponies on a lot of GM cars just by running premium. More if you tune for it.

Will this ECU bump the timing automatically like most GM ECUs in the US for higher octane? You can pick up a few ponies on a lot of GM cars just by running premium. More if you tune for it.

I don't think it works that way. If you have been running on the low octane timing table because you have been running 87 when you should have been running 91/93, then yes, you will get an increase in power once you add a full tank of 91/93, and your vehicle recalibrates to the high octane table. But I doubt GM vehicles (or any vehicles for that matter) have the ability to dynamically tune by adding timing for higher octane.

I don't think it works that way. If you have been running on the low octane timing table because you have been running 87 when you should have been running 91/93, then yes, you will get an increase in power once you add a full tank of 91/93, and your vehicle recalibrates to the high octane table. But I doubt GM vehicles (or any vehicles for that matter) have the ability to dynamically tune by adding timing for higher octane.

The GTO prefers 91/93, but it will recal on the fly if you put 87 in it (drops the HP) Is that what you are talking about?

The GTO prefers 91/93, but it will recal on the fly if you put 87 in it (drops the HP) Is that what you are talking about?

Yes, there are two timing tables, the lower of which allows for bad gas, etc. If you run the gas recommended for the vehicle (e.g. 91/93 for your Goat) you will be in the higher table (more timing, higher performance), whereas if you run lower octane 87, you will drop/revert to the lower table. Filling up your tank triggers a recalibration as you have stated above.

Running a car that states "recommended fuel 87 octane" on premium is wasting your money. The computer has several knock sensors and other devices to compensate for crappy fuel, it doesn't go the other way.

Running a GTO which says "Premium Recommended" on 87 will save you money, but as stated will revert to the low octane spark table thereby reducing your horsepower.