05 6MT Plenum Spacer advice needed.
#1
05 6MT Plenum Spacer advice needed.
I'm trying to find out if a Plenum Spacer would be a benefit for my car. I want better performance and fuel economy. I've heard of lost low end torque with some applications. Some companies are making HP gains claims of 8 HP with and 2 MPG increase with a stock setup. Also I've seem different thickness of material and some kits have extra gaskets and a shut of valve. What is the real world expectations from these kits? Why one over the other?
#3
A spacer works great for power gains on the standard VQ35DE motors but you have a revup motor which barely benefits from a spacer. Your butt dyno will tell you it works but a real dyno will really only show a change in timing. The MREV2, however, will give you an extra 15lbs of torque but costs a bit more.
#4
#5
OP, unless you purchase a non-revup lower plenum from 03-04 motors (MREV) or MREV2 then the spacer will not benefit your stock setup.
The MREV2 is kinda pricey around 400 so if you want a cheaper route, find an 03-04 motor and take the lower plenum from that, you will notice the differences in the runners.
The MREV2 is kinda pricey around 400 so if you want a cheaper route, find an 03-04 motor and take the lower plenum from that, you will notice the differences in the runners.
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