How does an adjustable fuel pressure regulator work?
A Turbosmart FPR works by bleeding off a portion of the fuel flow to the injectors from the fuel pump to control the fuel pressure. The valve in the FPR controls the amount of fuel that is bled from the fuel rail by opening an outlet port. This allows fuel to flow back into the fuel tank.
What should I do about my workhorse 8.1 engine?
It can get 180 degrees under where the fuel line is. Best fix is the Banks headers with single exhaust on the right side of the frame. That fixed all the problems on my 2006 Winnebago 38J Workhorse W24 8.1 and Allison 6 Speed transmission, 35,000 miles on coach.
Why does my workhorse lose power on inclines?
At first the motorhome ran like a champ quick response no hesitation we thought bravo–but no. A few weeks after it started hesitating on inclines with a loss of power–back to the dealer–no fault codes. The thought process was the catalytic converters needed to be replaced.
Is the workhorse 8.1 a heavy breather?
The 8.1 is a heavy breather, the other item could be the MAP sensor. Not that common though. Have well over 150,000 miles on the one in our 3/4 ton Suburban. There is definitely a reason they call them Texas Cadillac’s. The only thing they will not pass is a gas station.
How to choose the best fuel pressure regulator?
When choosing a fuel pressure regulator for your ride, you need to take into consideration several factors. The regulator is a critical piece and should to be matched to the type of fuel delivery system and the fuel pump that you are using or plan to use.
Do you need a fuel regulator with a carburetor?
Taking the time to plan out your fuel system and matching quality components will definitely pay off in the end. Using the best aftermarket fuel pressure regulator with your carburetor ensures a safe and reliable fuel system performance for your engine. It will result in a better running, high-performance engine.
Can a bypass regulator be used in a carbureted system?
This allows the fuel to flow unrestricted to your carburetor, but still regulates the pressure and returns the unused fuel back into the gas tank. Carbureted systems can benefit from a bypass regulator just as much if not more than an EFI system.
Where do you run the fuel regulator on a street strip?
In a street/strip application we recommend running the feed line directly to the carburetors fuel log then placing the regulator on the return line side of your fuel log. This allows the fuel to flow unrestricted to your carburetor, but still regulates the pressure and returns the unused fuel back into the gas tank.