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Old 11-06-2017, 06:09 PM
Mark IV Mark IV is offline
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Cobra Make, Engine: Superformance
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Length of primary tubes as 351 is "higher" and therefor the headers are different. The ports are the same basically. 302 headers on a 351 will put the collectors a couple inches above where they need to be and vice-versa. They can be modified to work either way with tubing and a welder.
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