Plenium spacers
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From: hilto head is south carolina
Plenium spacers
I just got my z and i'm wondering is a plenum spacer a good mod to do? I've heard rumors of 13whp gains thats a lot for a $270 upgrade, also will it effect the daily drivability of the car, to i need to have it tuned? 
Hi SLBKBULLET,
What you heard is indeed true if you have the automatic transmission. The spacers typically make about 13HP and for only about $270. Drivability is even better with it and you don't need to get it tuned.
If you have a "REVUP" engine you need t get the MREV. It costs about twice as much as a spacer and it also produces twice as much power.
For more info, do a search on Motordyne or MREV. You will find lots of information and dyno plots.
Tony
What you heard is indeed true if you have the automatic transmission. The spacers typically make about 13HP and for only about $270. Drivability is even better with it and you don't need to get it tuned.
If you have a "REVUP" engine you need t get the MREV. It costs about twice as much as a spacer and it also produces twice as much power.
For more info, do a search on Motordyne or MREV. You will find lots of information and dyno plots.
Tony
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