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Old 09-12-2005, 10:09 PM   #1
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Default Throttle Body Spacers?

Is there any benifit to these? I did a search for this but didn't come up with anything concret. Pretty inexpensive mod, for an extra couple of HP. I also read that it increases MPG.
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Old 09-12-2005, 10:52 PM   #2
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Probably not worth the time and $ IMO.
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Old 09-12-2005, 11:01 PM   #3
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I agree. Unless you want to port nitrous or something in there, forget it.
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Old 09-12-2005, 11:06 PM   #4
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On Two Guys' Garage they put a throttle body spacer in an early 90'* Chevy truck with throttle body injection. They said it effectively increases intake runner length, thereby boosting the power curve in a certain range. Wouldn't this apply to our motors as well?
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Old 09-12-2005, 11:08 PM   #5
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Totally different application. We don't have 'runner length' with the SC in between, and it'* not going to add much compared to the runners in the L27 or L36. I'd like to see some conclusive dyno numbers from ZZP that would show a good cost vs. horsepower gained comparison.
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Old 09-12-2005, 11:20 PM   #6
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Quote:
Originally Posted by willwren
and it'* not going to add much compared to the runners in the L27 or L36.
Yeah, I should have specified that I was referring to an N/A application.

And yes, dyno numbers would be nice. Where would the powerband be benefitted most by increased runner length. Top end or bottom end?
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Old 09-12-2005, 11:25 PM   #7
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Quote:
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Quote:
Originally Posted by willwren
and it'* not going to add much compared to the runners in the L27 or L36.
Yeah, I should have specified that I was referring to an N/A application.

And yes, dyno numbers would be nice. Where would the powerband be benefitted most by increased runner length. Top end or bottom end?
Wouldn't it be increasing plenum volume not runner length?

Longer intake runners are generally for low end and a larger plenum volume is for high end.
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Old 09-12-2005, 11:28 PM   #8
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From what i understand it only helps our cars by not letting coolent in to the TB so it runs cooler Check out http://www.easyperformance.com/ they have some good tech articles and have a TB plug I think ZZP and maby intense have the same product there
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Old 09-12-2005, 11:30 PM   #9
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You can do that yourself for alot cheaper.
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Old 09-12-2005, 11:31 PM   #10
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I'm not sure about the runner length vs. plenum volume question. I'm just regurgitating the info I heard on Speed Channel. It'* up to you guys to make sense of it for me!
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