Quote:
Originally Posted by Ganthrithor
I was out on a long-ass drive day with some friends. We took hwy 33 over the mountains from Ojai, Hudson Ranch Rd out to Frazier Park, and then Lockwood Valley Rd back to hwy 33, over the hill again back to Ojai. By the time we were headed back over the mountains it was mid-afternoon and it had gotten hot. I was trying to keep up with a 991 GT3 and a 993 (and by keep up, I mean make it back to Ojai on the same day :P). I was all warmed up after a half-day of driving and I know highway 33 like the back of my hand, so I was going pretty much as fast as the car could go on the uphill sections (easily done on an incline at high DA where you've got minimal engine performance to begin with)-- like I said, pretty much WOT between 5k and redline the entire way up the mountain except for lifts to settle the front end coming into the corners. Top of second --> first bit of third --> repeat.
Unfortunately I don't think I was the only thing that was warmed up :P
I didn't notice any difference in noise. The car seemed to run completely normally (except for the engine feeling weak-- but as I said, it was probably the altitude and temperature: there was no sudden / noticeable change in engine performance associated with the CEL).
It did shake my confidence in the car a bit. Part of the reason I bought my 997 was so that I could have something I could drive flat out without turning it into an aftermarket science project. I'll do suspension mods all day long, but I didn't want to mess with the engine on the BRZ back in '15 when I still had a lot of warranty left. These days I'm inclined to stick a supercharger, oil cooler, and some means of monitoring T's and P's on the car. I heard the Jackson Racing supercharger kit has a bit of boost push when you lift off the throttle though, which I'm not wild about. I'm also of two minds as to whether adding power to the car is a good idea at all: it's slow on hills and doesn't have the torque to do big filthy powerslides all the time, but being able to drive it flat-footed all over the place has its charms.
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Even a stock STI cannot keep up with these Porsche's :P. Subaru is supposed to be a good brand with a rally heritage, but they cannot compete on the highest performance segment.
If you 're considering doing a power upgrade to your BRZ, I would suggest to do it right and do it once. You'll need to open the engine and change the internals with forged ones and reduce the compression rate. Then you can install a supercharger. Another option is to try the 2.3 stroker kit from Toda and stay NA. You'll have all the advantages of NA and more torque. Check if these guys can provide an offer:
info@todaracingusa.com