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Hello everyone,

97 4.6 T-bird

My intake manifold cracked for the second time in 70,000 miles.
While I am replacing it are there any performance mods that I should consider.

I was thinking about a new upper intake and mac cold air induction.

Any suggesstions?

Also, will parts listed for 96-02 mustang 4.6 2v fit a 97 4.6 thunderbird?
 

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yes if u can, get a PI intake with a crossover instead of a NPI intake. cheaper, and gives a lot more power up top. U can do a search on the forums about how to install a PI intake, usually done with using a NPI gasket, and using RTV to seal it. Hope this helps.
 

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My intake manifold cracked for the second time in 70,000 miles.

When I bought my tbird, within 20 miles of driving it off the lot it cracked (bought it used with 78k on it). Called the dealer and had it towed. They said it was under recall and it was fixed free of charge. They could have also just said that and done it free cause I was super pissed and could have retunred it heh but maybe someone on here knows for sure.
 

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that was under a TSB way back when.. unfortunately.. this just expired..
 
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