Mon Jul 08, 2013 3:56 pm by Admin

For the benefit of 944Hybrids users there are two search functions available for you to use.
The purpose of this sticky is to explain the "Advanced Search" function because it is much more powerful and is the best choice when researching information.

When you log on to the site a list of options is shown in a line at the top of the page. One option is labelled "Search", use this option (NOT the search box lower down on the right).

After you click on the upper search option, a drop down box appears. At the bottom of this box is a radio button marked "Advanced …

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Dyno time: LS2

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Dyno time: LS2

Post  ausgeflippt951 on Tue May 10, 2016 10:27 am

Thought y'all would get a kick out of this. Took the car in on Friday (in the pouring rain) to have a conservative tune done on the new engine.

Given the mods, my estimate was as high as 420 rwhp and the car wound up hitting 415rwhp (juuuust fine considering it's a used engine). The tuner seemed very impressed with the cam I chose; I wanted a nice, linear powerband that kept pulling up top and didn't care about what happened down low. Wound up being very pleased with the resulting torque curve.

With a more aggressive tune we can easily bring peak HP up to 7000rpm and another ten HP or so. But I don't really care...I didn't do this for the power output (in fact, it was the primary deterrent preventing me from doing it).

...nothing like 360 ft-lbs at 2500 rpm. #trannykiller

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For reference, the mods to the engine are:

  1. Mild/moderate cam
  2. Underdrive pulley
  3. Kooks longtube headers to a single-exit, 3" exhaust (no cat)
  4. Lightweight flywheel

Last edited by ausgeflippt951 on Tue May 10, 2016 11:54 am; edited 1 time in total

Posts : 70
Join date : 2015-10-26
Location : Washington DC

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Re: Dyno time: LS2

Post  Techno Duck on Tue May 10, 2016 11:15 am

You mean 360ft-lbs at 2500rpm Smile. Screw the BHP numbers! Smile Great results and an awesome powerband. My LS1 made 380whp / 360ft-lbs with a similar setup. That .3L of displacement is good for an extra 5-10% it seems  Twisted Evil

One of the things that i find funny about the LS engines is how consistent they are. Its pretty easy to estimate BHP and be pretty darn close. With the 2.5L turbo it seems like it was +/- 50whp from everyone's estimates.

Techno Duck

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Re: Dyno time: LS2

Post  ausgeflippt951 on Tue May 10, 2016 11:56 am

Good catch - fixed!

And that's what the tuner said.  Very sharp guy; he basically said, "these engines make what they make and are very predictable."  Apparently the main value in a tuner is smoothing out the torque/HP curves to aid drivability etc.

And no kidding re: the 944T engines -- they're all over the place. That's also a function of the turbo motor.

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Re: Dyno time: LS2

Post  kevin924kevin on Tue May 10, 2016 1:01 pm

Very nice power band. That should move the car alone very nice. I hope to be above 500 to the wheels.

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