i dunno about the squealing noise, but i know that the '91 has a more aggressive cam profile which could account for the better power. i am selling some '91 cams from my car, you could drop them in the '97 and get some more kick out of it. <img src="http://www.zilvia.net/f/iB_html/non-cgi/emoticons/thumbs-up.gif" border="0" valign="absmiddle" alt=':thumbsup:'>
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'91 fastback base model
KA is dead at 202,186 miles
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