Four Seasons 38904 Orifice Tube: 🚗 Optimal Performance for Your Automotive Cooling System Review

First of all, this is NOT a panacea for a poor network system. But here in South Florida, she does what I want. In heavy traffic, long idle, at temperatures above 90 degrees, cooling improves, blowing 44 degrees on a 95 degree day. A solid OE pipe will creep up to 60 under the same conditions. On the highway it's about the same as any solid pipe, I get 42 to 47 vent temps depending on the ambient temp. idle. The typical customer, even a warned one, will complain. But for my own car, I will live

This is the solution to many air conditioning problems caused by improper pressure control in the system. This orifice tube's auto-tuning feature better controls system pressure by allowing valve restriction to be varied based on system requirements, resulting in fewer compressor cycles, more consistent discharge temperatures, and longer compressor life. There may also be a slight increase in fuel consumption due to fewer compressor cycles. Four Seasons Model #38904 is designed for heavy-duty…

As a MACS certified professional mechanic, I believed that negative reviews could be due to user installation errors or faulty systems, incorrect skills, incorrect applications, etc. However, you are correct. This is the most useless waste of time and money I have ever installed. Here in Las Vegas, Nevada, where outside temperatures top 115 degrees in the summer, I was looking for extra cooling capacity for my 2001 Ford F250. I remember almost 100 years ago when they were almost $100 and…