just a quick question, I have the 1.6L B6 SOHC engine in my 323 but I also have the B8 1.6L throttle body aswell as the 1.8L DOHC BP throttle body just sitting around, now I know they already bolt up just fine to the B6 intake manifold but when I do this there is a lip where it needs to be grinded down with a dremal or such, I am asking if I dont grind this lip down will I notice any improvement with the bigger throttle bodies??
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bigger throttle body on the B6
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there is no real point to upgrading the t/b. it has the same bolt pattern as a bp t/b but the plenum is necked down so small you cant open the t/b all the way. i looked at in depth when i did my bp swap in the 323. mazda really limited us on that one! the most you could so is dremal out the step down on the insde of the t/b. to allow better flow.
NEUMAN
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