Quote:
Originally Posted by Rat Raceway
Even if the engine is less capable it has a supercharger that is one liter bigger than anyone else...
If you want to talk about folks that took it in the rear, take a look at the N/A Shootout guys (All brands). I know of 5 other people as well as myself that built an N/A combo had it ready to race and they killed the class for blower only cars. Not to mention all the players that had established setups.
I promise Bo had 100's of Thousands into his combo. He said in the Cobra jet video (On YouTube) he got a new engine each race, from his builder a few days before the race.
Unfortunately we are like kids dealing with our parents, when racing. Just because they said it was "OK" for a split second but then changed their mind, we are stuck with the final decision. As upset as we get it’s their rules and it’s not changing unless they want it to.
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Question, was it the manufacturers that turned away the N/A shoot out cars or was it NHRA?
Because NHRA has been fantastic in working with the racers on the Supercharged cars. In fact they have gone above and beyond on many occasions to make it so all Supercharged cars and their drag racing customers will fit in this class.
GM has just done a better job than Ford. Mopar, hell they are just toying with us they are so good.
As far as the displacement difference in Superchargers, if the 2.9L and 4.0L were similar in design it would be an advantage. But the 4.0L has a rear entry, making 2 90* turns before the air hits the rotor packs. The design of the rotor packs are not the Gen 3 technology like the 2.9L. There is a 35+ HP difference between the old design and the Gen 3 rotors. There is a 40 HP difference in the rear entry vs. front entry case design. Because the 4.0L rotor packs are so much larger and heavier it takes an additional 22 HP to turn over the new Gen 3 2.9L rotors. The biggest factor is you are talking a 4.00" diameter pulley vs. a 3.00" pulley so the 4.0L blower turns at 8,000 RPM slower than the new 2.9L Gen 3. Advantage goes to the 2.9L Gen 3. Size does matter in some things, but efficiency matters most in this case.