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Old 10-11-2006, 09:57 AM
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garyovich
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Question Plenum Spacers?

Ok, I realize that for experienced tuners this is probably going to sound like a drooling retard question, but I've searched and read some articles about plenum spacers, and I still don't get it. Could someone please explain to me?
Old 10-11-2006, 10:00 AM
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MikeEwithTheZ
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the stock plenum basically slopes and resticts air to the front two cylinders...a spacer gives more room under the upper plenum to aloow more air to flow to those cylinders...
Old 10-11-2006, 10:05 AM
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davidv
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A plenum spacer alters the horsepower and torque curves. Spacers are offered in different thicknesses. All alter the curves differently.
Old 10-11-2006, 10:05 AM
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garyovich
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Is any tuning necessary after installation, or is it plug and play?
Old 10-11-2006, 10:13 AM
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MikeEwithTheZ
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no you dont have to tune it...i have a motordyne 5/16 spacer on my car...just install it and go...very easy install takes about 20-30 mins,
Old 10-11-2006, 10:36 AM
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garyovich
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will 5/16" or 1/2" spacer fit into stock z, or are mods or replacement of any parts neccessary?
Old 10-11-2006, 10:55 AM
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dragonbz99
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5/16 from motordyne should keep everythign in tact strut bar and engine cover and all
Old 10-11-2006, 12:23 PM
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Todd350ZX
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Originally Posted by davidv
A plenum spacer alters the horsepower and torque curves. Spacers are offered in different thicknesses. All alter the curves differently.

What's the HP and torque gain on average?
Old 10-11-2006, 12:24 PM
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michaeljr6
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Originally Posted by Todd350ZX
What's the HP and torque gain on average?
16 tq 13 hp or something in that area
Old 10-12-2006, 05:21 AM
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davidv
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Originally Posted by Todd350ZX
What's the HP and torque gain on average?
Please check that results of the Sport Z Magazine Plenum vs Plenum Spacer Shoot Out.
Old 10-12-2006, 07:02 AM
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Andy@Performance
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http://www.mynismo.com/products/Defa...id=2737&v=more
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