Jeep Performance Improvement Ideas
Track Night in America is a program by SCCA that allows you to take street cars on the race track for fun. They have some quirky rules like no lap timing and passing only by point by and only in certain sections of the track but it is a cheap fun way to go fast safely in a street car.
After replacing my engine, I had to reconnect the AC lines and replace the freon. The system was originally designed to run R12 but I swapped over to R134 a long time ago. However, I still like to use my old gauge set on the R12 style fittings. I just adapted the yellow hose to fit the R134 cans.
I installed a new dryer and reconnected the hoses using new O rings where the old ones looked bad. I then hooked up my vacuum pump and pulled al the air out. I shut off the pump and closed the valve to see if it would hold. It held vacuum so I assumed no leaks and popped in the first can of freon.
Continue reading “A/C hose replacement Jeep Cherokee XJ”I recently replaced the vane air flow sensor in my 944 race car with the Rouge Mass Air Flow sensor. The conversion was extremely easy to accomplish.
My Jeep had the typical problem where the HVAC only blows out the Defroster. The defroster is the default mode when there is no vacuum supply. So I set about finding my vacuum leak.
When I put in my new engine I expected it to start up right away. I had carefully aligned the distributor, checked all the electrical connections and bled the air out of the fuel system.
Continue reading “Jeep 4.0 no start troubleshooting puzzle”