Quote:
Originally Posted by Daemione
And an extrude hone doesn't do anything about the mega-long runners in the design. For real NA power you need to bump the powerband up higher, which means shorter runners. Although I'm not sure how you'd shorten the runners without relocating the entire throttle body assembly.
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I'm kinda surprised moving into the japanese market that I cant just order a set of individual throttle bodies... I kinda expected that stuff to just exist (regardless of prohibitive costs). Just staring into the engine bay, it definitely looks that the most to be had for the investment is head work and hotter cams to be by far the best bang for the buck, followed by a proper sand casted upper intake manifold (which seeing the scene, no one is going to invest the proper r&d to do this right), and getting the lower extruded being HUGE supportive work to the rest of the efforts.
Ya I was kinda more curious on others thoughts if a wider bore through the intake runners would be beneficial for NA. I'm use to larger displacement motors where just getting it more air is always beneficial.
Quote:
Originally Posted by Selden
"Increased" HP on a dyno is an artifact of the dyno process. A lighter flywheel/drive train does nothing to increase HP, although there may be slight increases in acceleration due to less rotational mass. I'm not saying there isn't any performance gain, but it's not due to increased HP.
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technically anything that doesn't directly affect the generation of that power can't possibly "increase" its power. It does wonders for throttle response and dropping the rpms for a quick gear change, but no, no additional power. I know some people that have selected too light of a flywheel and it can affect the idle of the car and alot of hardcore people that scream that it destroys the balancing and harmonics of the engine... but hey to each his own, I love lightened flywheels. they can be hella fun.
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