03-23-2008, 12:35 PM #1
- Join Date
- Sep 2007
- Lexington, Ky
J-pipe info 3 different grades? news to me!
FYI: just ran across this in the 2004 4tec service manual, and have also noticed the color dot before, but never knew what it meant.
What's New : ALL 4-TEC ENGINES
Each of the 3 types of 4-TEC engine has its
own grade of steel for the exhaust goose
Parts are coded with a color dot:
4-TEC Std: Yellow
4-TEC Supercharged: Blue
4-TEC Intercooled Supercharged: Red
Each one is calibrated to endure the different operating temperatures. Always use the right
component for the right engine type.
03-23-2008, 05:46 PM #2
ah ! thats good information just incase one were buying a used one
03-23-2008, 07:29 PM #3
where is the color dot. i have 2 differnet j pipes for my rxp and cound not find the color dot.
Last edited by skoepp; 03-25-2008 at 10:37 AM.
03-23-2008, 07:33 PM #4
03-23-2008, 09:00 PM #5
hehe, thats great
paper dot on an exhaust pipe!!!
03-23-2008, 09:48 PM #6
If they wasted that much engineering time and manufacturing costs for 3 different j pipes but didn't bother addressing something important, like, um, say the CERAMIC washers. . .
tell me this isn't true.
03-24-2008, 03:17 AM #7
03-24-2008, 03:20 AM #8
03-25-2008, 08:35 AM #9
The change is actually in the bellows material, the flex tube underneath the braided stainless. The change in bellows material is based on temperature for corrosion resistance for the base 4-tecs vs the 185's vs the 215's...Item #70 in this material chart...
03-25-2008, 10:10 AM #10
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