We installed the new axle today (thanks Jim Walls!), and put the car on the dyno. Without any additional tuning, we made 483rwhp / 585rwtq (from our previous 470rwhp/564rwtq without headers) . The headers are 1 3/4" primaries, with 3" collectors.
With a little more fuel in the programming, we made 499.8 / 594rwtq. We made 6 pulls in the span of 30 minutes, so I'm sure if we let it cool down a little, the numbers would be even higher. A/F ranged between 11.5:1 to as rich as 10:1 throughout the pulls. We still need to play with the chip a little more, but we're close. And this was on 93octane pump gas, and ET Streets. Typically, we lose about 5-7rwhp on the ET Streets due to the sidewall flex.
Oh yea, we are also still using the stock throttle body.
If all goes well, we'll be heading to the track tomorrow for some 1/4 mile passes. I'll post the results when I get them. The dyno sheets will be posted to the webpage later tonight. (I can't give the link here due to SVT's advertising rules, but you can read more about it on www.Superstallions.com)
With a little more fuel in the programming, we made 499.8 / 594rwtq. We made 6 pulls in the span of 30 minutes, so I'm sure if we let it cool down a little, the numbers would be even higher. A/F ranged between 11.5:1 to as rich as 10:1 throughout the pulls. We still need to play with the chip a little more, but we're close. And this was on 93octane pump gas, and ET Streets. Typically, we lose about 5-7rwhp on the ET Streets due to the sidewall flex.
Oh yea, we are also still using the stock throttle body.
If all goes well, we'll be heading to the track tomorrow for some 1/4 mile passes. I'll post the results when I get them. The dyno sheets will be posted to the webpage later tonight. (I can't give the link here due to SVT's advertising rules, but you can read more about it on www.Superstallions.com)
