Quote:
Originally Posted by YELLOW_MR2
I heard the 5s is crappy and can't handle turbo and will blow very easily due to it being an aluminum block..Is this true..Also in the long run what would be better to fix up..Like getting up to 500hp at least
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Go stick a magnet on the block (not the head) and see what happens.
Then read one of these fine interent sites that google has been kind enough to provide free of charge:
is aluminum magnetic - Google Search
500hp... Really? I can't imagine trying to daily drive the thing but here's a good idea of how to get there:
ATS Racing 550 whp complete build ups
On topic, depending on what your goals are it might be easier and more cost effective to install more aggressive cams into the 5S head.