Larger Throttle bodies...?
Anyone ever thought about using larger throttle bodies? I sent an email over to MaxBore to see if they would be willing to look at boring out a 370Z TB.
Obviously enlarging the intake manifold inlets is a must, but from my experience with all motor cars, this can really free up some hidden power. http://www.maxbore.com/ Thoughts, ideas or opinions? :tiphat: |
Curious what that would do with the Motordyne Plenum? Would it foul up your A/F ratio?
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:shakes head: |
OEM throttle body is good enough
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Sure there has to be SOME limitations to the stock stuff. I bet you would see gains if they were bored, bored intake manifold and a ECU tune. Side note, does anyone know what the stock size is? |
I would be interested to see if annual gains came from it. I would think if it were to make power that a company would have already done so... then again I'm not qualified to know this. Might make no power and might make more than one would think.
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From what I've seen over time there can be some very small gains in HP. But it is defiantly a art to doing it. Not worth the cost though. And if someone messed one up, your going to pay big to get another.
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On cars with regular throttle plates, it usually just runs like crap on idle (unless you match the bored throttle with a new throttle plate) and you gain like 3 whp..
However, since throttling is mostly handled by VVEL, it might work well... Not sure what would happen with dashpot calculations on decel -- I think that's one of the few times the throttle plate actually does anything, and the extra volume could have it running too lean and stalling. Nobody's attempted this yet? |
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Those are cheap. :eek:
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Totally worth it though :rofl2:
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Whats the thottle bore on the stockers?
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When you talk about all motor power, the gains may be minimal, but hook them up on a boosted engine and the gains may actually be worth it. There is for sure an art in boring them, and I think combined with the UpRev, you'd be able to tune out any changes in AFRs that it occurs. For a few hundred bucks, it might be worth it. I wonder if motordyne is able to over bore their manifold... hmmm... |
Probably minimal but the only way to really know is via test.
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Has anyone thought about smoothing out the throttle body where it meets the intake and making that lip smaller to smooth air flow? I did this with my old car and it made a very slight difference, but it's cheap and easy.
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