Thread: Getting more HP from a 307
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01-04-2005 06:46 PM #1
Headers, fresh air intake (IMO) first thing that comes to mind.
Does it have factory cam in it?
read this post (its not a about a Pontiac 307);
http://www.automotiveforums.com/t142952.html
or copy and paste ;
http://www.automotiveforums.com/t142952.html






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