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Originally Posted by Lextreme
I would not call 27% increase flow as tons more. All those grain are theoritical not actual grain. Its basically a quarter more flow. I think the community would like to duplicate the test and to validate how you come to the conclussion of a quarter increase in air flow. I think disclosing the method of testing is essential to the community. I personally would like to duplicate the testing and flow numbers.
Budget is one thing.. smart money is another. Besides the money issue, I would imagine down time would be quite long. Since not too many tuner have any experience with Tundra. So most tuners would tune and learn and so on.
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So do you see 27% as a bogus claim, or not that much? It seems like you're confused. How many other manifolds have been tested and proven to flow 25% or better than stock. 27% increase is indeed a large amount.
Seeing how it flows 27% is not too far out of grasp when you take into account what were dealing with. The stock manifold (for a truck none the less) has runners somewhere around 25"+, which wrap around over 270 degrees. This manifold has 4" runners, and go straight down.
Theoretical or not, are you telling me that swapping out the stock intake in favor of this one, on a boosted v8 making decent power, will not result in a nice chunk of added power?
There is no huge secret to flow testing, It was done at 28", which is the standard, and it was noted that numbers were taken at 4500 rpm. Seems pretty straight forward to me.
As far as smart money goes, there is nothing else available for these motors. Here is an option for the community that otherwise did not exhist, and has the testing to back it up. More than you can say for a lot of aftermarket parts? What more can you ask for?
I guess I don't see what all the huff is about David.