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whats the best size t/b, upper intake & maf to use for a n/a 4.6 with ported npi heads pi intake. thanks for any help
 

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the lincoln aviator throttle body from ford is under 100 bucks and its a 70mm, witch is a 5mm upgrade from stock, so if you want a bigger tb for real cheap, thats an option, but ya, porting the stock plenum works

i concur with the gt maf, the lightning maf is more for boosted applications...gt maf fits better with a naturally aspirated 4.6
 
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