Originally Posted by Dan12GT
Comparing 2 cars with similar mods isn't the best method. Using the same car, same day, same temps, same dyno, same atmospheric conditions would control the variations the best.
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I agree, you are 100% correct.
Originally Posted by kdanner
You guys need to quit looking at/asking for dyno numbers and start looking at on track results.
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I understand your point to a degree. Yes a manifold will perform differently with the car not moving as opposed to being on a track with ambient air being forced to the induction system. However, a dyno, for the time being, is the best method of comparing the two parts.
Trying to compare that on a track is going to be unimaginably more difficult. I would say do this same dyno, then on the same day put the car with both intakes on an automatic(to reduce driver error) and see what happens.
Originally Posted by Dan12GT
For 1 most of use don't live at the track so we are looking for something easily tangible as a measure to go by if the investment in an expensive manifold is worth it or not.
2. Say all you want about dyno numbers yes, they don't equal a translation to track results but if you take a car already setup with a boss manifold rip that off on the same day with the same dyno in the same relative atmospheric conditions / temperatures and you see a consistent number difference with a new setup I think its pretty easy to say now you have some form of evidence to make a decision if it's worth it or not.
3. The Boss manifold has a consistent dyno proven history of the numbers falling hard under ~6500 rpms. That's been proven consistent on many comparisons on many dyno's on many cars. Obviously the results will vary but all are consistent with what to expect.
The guy on SVT Performance was essentially trying to show the comparison.
Unless your are making a serious amount of more power say like 30+ or more I think you can expect to see track results given you are a excellent consistent driver, which again most of us are not so its harder for us to use the track results as a medium for comparison.
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+1! This guy understand the point of this thread.
-Alex