Quote:
Originally Posted by DarkPira7e
I have to say it.
There is no "safe limit". Failure has less to do with power than it does the delivery. Low end torque, bad tune, bad fuel, bad oil maintenance, critically low oil pressure, poor engine assembly, all are far more likely to cause failure than 281whp. Not trying to be an ass, I just don't want this guy thinking that "if I keep the power at 280, my car will be completely safe!"
If you're keeping stock fueling components and running 93, I wouldn't even bother with an oil cooler for a daily driver. Get the data to support that it's needed first, an oil cooler seems nice until you have a leak and it goes unnoticed.
If you want it reliable, change as few things as possible and have a nice tune. It'll be great 
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I have the oil cooler already, so it's going in. More oil capacity and cooling is not a bad thing when I plan to add about 75-100hp to the car. It's more of an insurance policy for the engine and something easy to do while the SC goes in being the front clip will be off. I read lots of threads regarding the heat boosting adds, so I thought it prudent.
I'm also pursuing the gauges mentioned for that same insurance policy mindset, if a problem starts and I can monitor it happening, like oil temps spiking, I can mitigate before it craters something. Not sure if I'll install that immediately or after the SC and oil cooler are in.
It looks like I'm on the right track for my reliability goals. I have read several threads or inputs of people with these units having no issues, I expect the same. And I'm also having it professionally installed for extra insurance as the shop will back up their work and they do it all the time. I'm plenty capable and have the tools, but I know it'd take me too long. These guys do this all day every day, I was amazed at how fast they got my clutch done.
Looks like some of the hp numbers are inflated as presented by others. Figured that would come about. Not surprised. TBH, I've always been expecting about 225-250hp as above 275 does sound like you're into fuel mods to support properly. Also, considering a quick look at 93 octane availability in my area is about 40 miles away, I don't think I'll be in a 93 octane tune that often.