Quote:
Originally posted by mustangcobra_91
your 1 5/8 headers will not work with the p heads. you will have to ding some of the collectors. Has nothing to do with the exhaust ports. The spark plug on a p head is more straight into the combustion chamber.
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But the other end of the plug is the problem - they are angled such that they hit stock style header tubes. HArd to keep plug boots from burning up.
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Tom (Torque) Moss
88Gt 5spd Vert, FLowmaster Catbacks, stock cam advanced 4° @ 108.5° ICL, NMRA prepped GT40P heads 1.85/1.55 valves and 1.7 rockers, MAC P headers Jet-Hot coated, 97 Exlporer intake (ported lower), TB and injectors. 277RWHP/330RWTQ (SAE).
http://www.fastlanecars.com/
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