fuel density compensator

[jzettek]

hi my name is jim and i was wondering if anyone out there could tell me what are the reasons or benefits to bypassing the fuel density compensator on a multi fuel engine.

 

[fpchief]

They will sometimes allow fuel to enter the crankcase, I think that may be the biggest reason to bypass. When bypassed, you will see a definite difference in fuel delivery. EGT gauge is recommended if you bypass. One of mine is bypassed, one isn't.

 

[fpchief]

Do yourself a big favor and search here and also YouTube. You should find alot of videos of them and past discussions.

 

[USAFSS-ColdWarrior]

Do yourself a big favor and search here and also YouTube. You should find alot of videos of them and past discussions.

I agree.
Search both the full name and the more common term "FDC". There is MUCH archived on this topic already here on the SS Website.

 

[jzettek]

They will sometimes allow fuel to enter the crankcase, I think that may be the biggest reason to bypass. When bypassed, you will see a definite difference in fuel delivery. EGT gauge is recommended if you bypass. One of mine is bypassed, one isn't.

thanks for the advise i will definitely get a EGT gauge installed thanks

 

[jzettek]

Do yourself a big favor and search here and also YouTube. You should find alot of videos of them and past discussions.

thanks for the advice i will do that

 

[doghead]

What truck do you have?