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Old 06-06-2014, 01:39 PM   #1
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would a bigger throttle body actually increase noticable performance on a 4.0

would a bigger throttle body actually increase noticable performance on a 4.0?

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Old 06-06-2014, 04:40 PM   #2
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I didn't notice any difference in my xj with full exhaust. IMO unless you have a stroker with a big cam or running forced induction a bigger tb is pointless

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Old 06-06-2014, 05:51 PM   #3
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I didn't notice any difference in my xj with full exhaust. IMO unless you have a stroker with a big cam or running forced induction a bigger tb is pointless
That's what I figured....like trying to run compressed air through a straw....doesnt do much
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Old 06-06-2014, 11:56 PM   #4
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Old 06-07-2014, 12:51 AM   #5
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Air in Air Out! It Has to be Open on Both Ends and in the Middle are You Aint Doing Much!
That would mean opening valves...which wpuldnt be the best thing for a 4.0....
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