Quote:
Originally Posted by GtoRx7
I am using the 550cc injectors that came with the RE engine. But I dont really count injector size helping with power. Even the 460cc injectors will support enough Hp in n/a form, possibly make more power from the SMALLER injectors, but that is another subject. The fuel pump was upgraded to a msd/walbro style, the stock GSL-SE pump was "almost" there. I did install Series 5 n/a rotors. I would really like to have direct ignition that the FC has stock, as that alone would possibly net 5+ rwhp or more. But I built it on a very tight string budget, and got the old F10a haltech for $100. Its hard for me to plunk down $1k on this car for ignition control  .
I know for a fact that a S5 n/a 6-port will not gain 50-60rwhp from a standalone install. I would love to think so, but its not possible. The AFM is not super restrictive, a loss of 5-10hp is pretty realistic. Tuning and timing will net another 10-20 or so. I would love for someone with a 6-port to prove me wrong, but they require so much work to get there. The 4 port of any type produces 180+rwhp with so little work. And its hard to make less than 170rwhp even with a stock exhaust mani, and 9.0:1 rotors. In my opinion the 6-port just cant do this. |
It seems a little odd that Mazda would invest time and money into a system that was less capable when a 4-port can make more power and better torque throughout the RPM band. You'd think that they would have had this information upfront and saved time and money with only producing one set of housings. Seems completely counter intuitive. Guess I should pick up an RTek V2 and see what I can get the stock system up to...