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engine ?

New User
Posts: 15
Joined: 09/13
Posted: 09/24/13 09:50 PM

I have a 1970 thunderbird with a 429 thunder jet.What is the difference in the 429 thunder jet and the 429 cobra jet? Would the thunder jet be a good replacement engine for my 1969 mach 1 "s"code mustang? Confused  

Post Reply
Posts: 86
Joined: 07/13
Posted: 09/25/13 02:03 PM

might have fitment probs with ex or other.

the cj has better parts plus higher flow heads.  

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