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Discussion Starter · #1 ·
working on a navi swap and i have already ordered a MMR sheetmetal upper intake manifold and im using the stock lower.
my thing is, since the setup i will be running, i believe i will only have somewhere around 6" or so intake runners.
does anyone make 5.4 dohc intake manifold spacers?? if not wouldnt they be somewhat easy to fabricate??
i ask because if i run with 2"-2.5" spacers, my runners would be right around 8"
my only problem is would this effect the location of my fuel injectors, fuel flow, or even air flow??
if so, how much would it affect those factors?? thanks for the help any input will be greatly appreciated!!!
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