LSJ Phenolic Intake Spacer

Air Intake - LSJ Phenolic Intake Spacer
Air Intake - LSJ Phenolic Intake Spacer

LSJ Phenolic Intake Spacer

18 reviews
Regular price $99.99
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A hot engine heats up the air that is flowing through your intake. The engine is aluminum, as is the intake and they conduct heat very well. Your 180 deg engine adds unwanted heat to the LIM which houses the intercooler. That is why you need to upgrade with our ZZP LSJ phenolic spacer. A cooler charge will make more power. Keep in mind that removing heat adds power not only by increasing air density, but also by helping cool your IAT2s down to help prevent detonation. 
  
We isolate the intake from 95+% of its contact to the engine which is what is heating it up. See pic below showing that the heat from the engine is isolated where the intake connects to the engine. 
The engine runs at approx 185 deg and has a direct metal to metal contact with a large surface area on the intake. This is constantly trying to heat the intake/IC system/blower to this temp. This puts additional heat into the IC system and is the reason on summer days you will see IATs at idle/cruise 40 to 60 deg over ambient. While the lower part of the intake has a mounting point, it is very small and bolts to a bracket which then bolts to the engine. This is quite a bit of separation and the contact is small enough to be negligible.

The air under the hood on a summer day is normally around 140 deg but air doesn't do a very good job at heating things, not like metal/metal or fluid/metal. So with the spacer you can expect a much cooler intake, much cooler blower and lower IATs all the time, even under boost. This gives more HP and much more consistent performance by eliminating heat soak and keeping the blower casing to rotor tollerance as small as possible.

Click to see customer post on Cobalt SS forum with a writeup and install instructions.

All this technology is borrowed from our pioneering work on the 3800's. There used phenolic to shield the blower IC from engine heat with fantastic results.

http://www.youtube.com/watch?v=qDlwo...layer_embedded


Customer Reviews
4.8 Based on 18 Reviews
5 ★
83% 
15
4 ★
17% 
3
3 ★
0% 
0
2 ★
0% 
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1 ★
0% 
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DD
09/08/2022
David D.
Canada

Works great

The spacer works. My record high for iat 2 is 91* F as of right now. Given that I also have the stage 1 pump that must be adding to this low number. Issue is fitment of everything once it is spaced out. The belt is a two person job to get back on and I had to do trimming of body/chassis for interference clearance of the belt, manifold and belt. Even with this added work, it’s worth it as your iats are not 150+ like I have seen regularly on other supercharged cars.

JR
03/23/2022
Jonathan R.
United States United States

Great Product, **** 'Instructions'

The part went in super easy, once you figure everything out. The bolts do not come with washers, so may want to source some prior to tearing apart your manifold. The three big metal spacers go between the heat exchanger pump bracket and block to push the 15mm bolt under the manifold inline since the spacer pushed everything out by 1/2". The instruction were a link to a Youtube video of a guy who had installed a unit. For the cost, a piece a paper with instructions and pictures would have made this 5 stars.

B
10/30/2021
Brad
United States United States

A necessary purchase

The phenolic spacer took about 1.5 hrs to install. It drastically reduced supercharger heat and in my opinion, lower heat means longer life and better performance. Laminova intake manifold keeps a lot cooler as well.

DT
05/17/2021
David T.
United States United States

Intake spacer

Intake spacer best investment I got for my Cobalt..temp does drop so my supercharger does stay cooler..zzp impressed me once again

LF
03/10/2021
LEWIS F.
United States United States

nice product

No instructions but thats ok if ya view the link for install, there is also a video on youtube Cobalt SS LSJ that will give a better idea of the install, Hats off to ZZP for supporting LSJ platform

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