Eric's '95 VR-4 tuning progress with TB Billet 19T's, Pump-E85, and MAF-T/ECUFlash
I have been meaning to share this from a regional board, but I wanted to have the next set of numbers in first. Since the next steps are taking a little longer than expected, I figured why not post a little early for your guys' viewing pleasure - Enjoy!
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Eric has been an active member in NorCal with his red '95 VR-4 for many years. More recently, he had a very poor, unsatisfying experience with a local tuning shop. Long story short: the car ran rich at all times in closed-loop and "only" made 440WHP @18psi without future promised help unless even more money was paid. This was unacceptable more so as a student. Cue ALan on stage! haha
I had always kept in touch with Eric while he had his MAF-T Pro and his first segment with the flashable ECU. Although I was slowly becoming more open to e-mail tuning, I did not want to jump into the mix with his car unless the shop was totally out of the picture. After getting shafted on his hard-earned money, time, and need for help, Eric almost wanted to revert to the Evolution MAS and start again on his own. Of course I had to help!
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As you can see, his VR-4 sits clean and aggressive - just needs the power and speed to back it up!
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"Here is a more recent engine bay view; OCC/CV are not currently installed."
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"480WHP @18psi so far! +40//30 gain at the same exact boost level lol. 24psi results tonight with a more aggressive tune.
Red line = shop's dyno tune
Blue line = my base tune
Green line = my revised tune"
As of right NOW, the car is at a solid 11.5:1 with 24* up top, BUT we need to comb through a few things first to better yield the high boost numbers, such as a 30psi pressure test and most likely adding a front CV/KV. He will also be taking my suggestion to modify the rear BT/SD intake pipe to have a 3/8" hose barb for the rear VC like my Panda.
These custom stock-housing "TurboBob" Billet TD04HL-19T's do not really have results out there, so we are hoping that they continue to perform well and show gains. His current goal is to run mid to low-11's, and it should be feasible. We have enough fuel to safely tune for around 26-28psi tops, so we shall see what happens.
Thanks again for the trust and opportunity! 500+ is right in front of us, and everything else will be icing on the cake.
Stay tuned!
-ALan
