ok here it is i have a 91 crx with a d16a6 block with a 92-95 vtec head but im using my 90-91 d16a6 manifold but i herd i can use the 96-00 ex manifold because its a better flow but my question is do every port on that manifold match up with my 92-95 vtec head also i was thinking of square porting my head with a stock bore but sqare i know thats at least 8 horses more but will it be safe

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Modified by ilovemyb16a at 2:17 PM 4/15/2006