here i posted this im my car thread on 6crew.
this may help you understand why i mention aftermarket boost control
UPDATE:
a while ago i installed my Greddy ProfecB Spec2 electronic boost controller. i wanna say maybe 2 months ago.
anyway never really messed with it. i did turn the boost up once just to see what it felt like, but didnt tune for it.
anyway, for those not familiar with electronic boost controllers, they add a whole new spectrum to boost. the Greddy Boost controller and turbo timer are 2 of the very few things i have leftover from my escort. so the escort lives on, lol.
anyway, things like Gains, overboost control, alarms, lo and hi boost settings, wastegate fine tuning and Etc. are just some of the things EBCs bring to the table that MBCs cant.
so yesterday or was it the day before? anyway, i started finally messing with the fine tuning of the boost. i start at the 6.5psi that i have been running off of just the wastegates. i adjusted the "start boost" settings which allows you to fine tune when the wastegates start opening to hold the boost. Running off the stock wastegates, they start opening at 3psi, and are fully open by 6-7psi. the thing with them starting to open so soon is that the time to build max boost is increased due the wastegate relieving some of the exhaust flow by the time it hit 3psi.
i adjust this to have the wastegates start opening at 5psi instead of 3psi. this sped up my spool time and substantially increased boost response. some may wonder if the gates start opening at 5psi and im running 6.5-7psi........would that cause spiking? yes........but thats where my gain adjustments come in. the gain allows you to offset how fast my boost control solenoid opens in reference to how fast the turbo(s) build boost. by adjust this as well, im hitting max boost with minimal spike if any. and its holding boost pressure perfectly.
in the end the car gets to the punch a lot faster, so torque is increase more rather build sooner.
since i have currently fully tuned my car utilizing a cold weather tune and regular weather tune and fine tuned my boost control.
i have now bumped up boost to 8.5psi and tonight i just finished my cold weather tune for 8.5psi and started messing with my boost control settings. i am 75% finished with my boost control settings
and man.......6.5psi fully tuned with boost setting on par to perfection made the car even sicker. by just the boost control adjustments, it felt as if i added another PSI of boost.
8.5psi........yea, it doesnt sound like it would make that much of a difference. but you must understand boost and CFMs to know that that 2psi increase causes a SIGNIFICANT increase in power. especially when blow from two turbos. the fast spool and power is there without the lag of a single big turbo. 2psi typically can net 20-40hp depending on the turbo and tune, sometimes more. so do the math, im not saying i gained 60-70hp from 2psi.......but i will say this, with the nittos NT05 tires im running........
2nd gear spins, and 3rd gear unless i feather the throttle. but heres the kicker. LSD..........makes the car still gain substantial speed even while spinning. you can feel it spin, but only if you are paying attention.
in the work of my boy that was with me tonite "what the **** was that? did you just spin 3rd?" and yea this is granny shifting, dropping boost completly between shifts then flooring it. didnt use "no lift shift" nor did hard shift as if i was racing.
the more and more i fine tune every aspect of my car......the more and more i love it. BOOST RESPONSE is sick now, it was good before but now its great.
