: LPE + AMR Bolt-ons = 11.58 ET

04-20-10, 12:46 AM
Link to GM High-Tech Performance article (http://www.gmhightechperformance.com/tech/lsx_engine/1005gmhtp_2009_cadilliac_cts_v_bolt_ons/index.html) :burn:

04-20-10, 01:17 AM
Awesome article!!!


04-20-10, 06:49 AM
Very good article. Great read.

04-20-10, 08:09 AM
Looks like 485/485 with a pulley and headers? The intake change appears to just remove the bellows, so I don't think that's an HP adder...

04-20-10, 11:17 AM
Weird graph. I make more power than that with just a CAI and tune.

04-20-10, 11:22 AM
I read that article and determined that the gains in HP/Torque seems low, but the ET seems decent.

04-20-10, 01:02 PM
They make no mention of tuning it--maybe that's why the numbers seem low? Besides Wait4Me, hardly anyone seems to mention running colder plugs either. Do all you pulleyed guys do this?

04-20-10, 01:05 PM
I do. Run the NGK V-Power TR6 PN 4177. Wait4me build

04-20-10, 02:23 PM
A colder plug will keep some of the heat out of the cylinders but the question is what level is already in there stock and how is the car acting? Is detonation or KR present? If not, you probably don't need them. A quality plug with the correct gap will go farther than a step colder plug unless you are really pushing the mods on the car. Also, a step or two colder will make cold starts a bit choppy and mileage could suffer.

I like to add a little Redline Water Wetter to remove the hot spots from the heads and block and equalize cooling across the internal surfaces. This alone can drop overall underhood temps and allow for a hotter plug actually. This and a 160 thermo may allow you to run decent timing, a quality plug in the right heat range and make the most power out of your chosen combination of mods.

04-20-10, 03:42 PM
They make no mention of tuning it--maybe that's why the numbers seem low?

GMX; Seems like they did a tune. (2nd paragraph)

"This meant keeping a stock exhaust note, keeping a smooth idle, and tweaking the factory tune to perfection."

Numbers do seem a tad low though.

04-20-10, 08:28 PM
Ah! Thanks George. Glossed right over that...

Gary Wells
04-21-10, 07:27 AM
Not to be disrespectful towards GM HighTech magazine, but that chart does not denote type of dyno, time, date, correction factor, smoothing factor, ambient conditions, nor RPM, although the RPM could be converted from the MPH, I guess.