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Old 10-23-2009, 03:04 PM   #15
toehead93


 
Drives: 2014 2SS/1LE
Join Date: Feb 2007
Location: wpb fl
Posts: 2,656
Quote:
Originally Posted by Sack Rat 2SS View Post
Not for sure, but early LS3's were dynoing 355 to 360 rwhp. This would roughly apply to the first ten thousand cars. However, now after forty thousand and more cars the dyno results are consistently 370 plus. Same improvements for the L99's. It would seem to me that GM has tweeked the ECM tune over the past short history of our Camaros. It might help to have a recent reflash as pointed out in the earlier post. My 2 cents.
Were those corrected dyno numbers? The first group of cars were dyno'd in the middle of the hot summer, we've seen that the stock tunes are really affected by high temps. The latest group of cars are now neing dyno'd in 20-degree cooler weather. I think that has more to do with it.
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