Stock ze pistons are 10:1 how much higher can you go? do it then, he also has the most aggressive cams available and extensive standalone work. if it was so feesable everyone would have a 250+ whp probe/mx6. But like I said earlier I would love to see a kl put out 250+.
ok before you start "bursting peoples bubbles"...
1) custom cam shafts. "most agressive cams available" are off the shelf items, and would be nowhere near the kinds of cams people are going to push. The most agressive cam shafts available for the FSDE are the JDM cams. Do you think I run JDM cams? god no... they put the JDM cams to shame.
2) 10:1 compression is nothing. 11:1 with the right setup would be a stroll in the park, and even 12 or 13:1 isn't out of the question with quality fuel...oh and then you can then run even MORE aggressive cams with no ill effects, due to the increased compression.
3) oil pump failures - there are external oil pump options. Even if that wasn't an option, custom fabricated oil pumps etc are an option.
4) KLZE as a platform is very capable. If 200whp can be got on a FSDE 2L GRANNY PACK engine (well, almost 200whp at least, 197ish is what install shield did), the KLZE should, given that it is a far more capable platform to begin with, be able to make 250whp easilly.
5) in most cases (not all, but most), people building performance engines neglect to design their manifolds correctly, instead going with off the shelf parts. Correctly designed intake manifolds and headers can yield tremendous results on just about any engine - but off the shelf aftermarket solutions are more geared towards stock fitment, and removing any requirement to modify/remove other parts. In a performance build this shouldn't be a consideration, so plenty of potential can be unlocked simply by decreasing pumping losses of the engine and leveraging resonant effects, and scavenging.
6) what the hell is "extensive stand alone work"? seriously - a stand alone ECU is a stand alone ECU. As long as it can fuel in real time at 9000 to 10000rpm (and i really don't think the KL guys need to go this far....certainly not to reach 250), then it'll do the job. True all ECUs are not created equal, but the ONLY bits that concern power is fuel delivery and timing control - all complete stand alone computers offer this....
I could go on, and on. But I won't. The reason why people don't do it is they either a) don't know how, and spend money on the wrong things, or b) its too expensive. NA buliding is very expensive, and power per dollar, you're always better off going forced induction. Which is what most people do. People dedicated to building pure all motor monsters are usually honda boys, or big V8 fans, because big numbers is easy power on these kinds of motors....
250whp will be challenging (nowhere near as challenging as 200whp on the FSDE, or 180whp on the FPDE), but nowhere near impossible. Hows about you provide some constructive information, instead of mouthing off that it can't be done because you have never seen it done.
