A 4C/7.2F-10C/18F degree change in air temperature (increase or decrease) will cause a 1-3% horsepower change. These gaskets will lower the temperature of the intake manifold by at least 11C/20F and benefit both naturally aspirated & forced induction environments.
![Image](http://i1129.photobucket.com/albums/m507/doctorokka/stuff%20for%20sale/1UZ-intake-gaskets_zps979309f1.jpg)
Test Vehicle information
*The following conditions were consistent in both before and after states in collecting the proceeding data.
Engine: 1.6 (naturally aspirated w/ 278 in/ex cams) small port
State: 1100RPM idle
Coolant temp: 76C/168F
Vaccum: 10 in.hg
Ambient temp: 11C/52F
w/ Stock Intake Manifold Gasket (temperature reader held at ~24")
![Image](http://i1129.photobucket.com/albums/m507/doctorokka/1535F_zps7118703f.jpg)
w/ Heat Screen Gasket (temperature reader held at ~24")
![Image](http://i1129.photobucket.com/albums/m507/doctorokka/1268F_zps008c01bd.jpg)
**Temperature readings were taken from approximately the same location on the no. 1 cylinder intake runner.
$40USD + $7USD shipping to lower 48 states / $10USD to CAN
Heat Screen Washers are available for an additional $5USD for a set of 9. Shipping separately is $3USD.
All orders are shipped with tracking.
Don't forget to specify if it's for either a large port or small port when ordering the Heat Shield gasket.
For international sales, please send an email with your shipping information.
PayPal:
![Image](http://i1129.photobucket.com/albums/m507/doctorokka/jonasv8addy_zps76a28013.png)
![Image](http://i1129.photobucket.com/albums/m507/doctorokka/stuff%20for%20sale/1UZ-intake-gaskets_zps979309f1.jpg)
Test Vehicle information
*The following conditions were consistent in both before and after states in collecting the proceeding data.
Engine: 1.6 (naturally aspirated w/ 278 in/ex cams) small port
State: 1100RPM idle
Coolant temp: 76C/168F
Vaccum: 10 in.hg
Ambient temp: 11C/52F
w/ Stock Intake Manifold Gasket (temperature reader held at ~24")
![Image](http://i1129.photobucket.com/albums/m507/doctorokka/1535F_zps7118703f.jpg)
w/ Heat Screen Gasket (temperature reader held at ~24")
![Image](http://i1129.photobucket.com/albums/m507/doctorokka/1268F_zps008c01bd.jpg)
**Temperature readings were taken from approximately the same location on the no. 1 cylinder intake runner.
$40USD + $7USD shipping to lower 48 states / $10USD to CAN
Heat Screen Washers are available for an additional $5USD for a set of 9. Shipping separately is $3USD.
All orders are shipped with tracking.
Don't forget to specify if it's for either a large port or small port when ordering the Heat Shield gasket.
For international sales, please send an email with your shipping information.
PayPal:
![Image](http://i1129.photobucket.com/albums/m507/doctorokka/jonasv8addy_zps76a28013.png)