what the most boost and horsepower .you guys have seen with a stock fuel line set up with a pump upgrade. the return style system.6.0l

 

Ive seen about 15# of boost and 650 to the wheels with a walbro 450 in tank... pretty sure that was the only mod outside of injectors. They were running meth though which changes the game a little.

 

Thats a loaded question...as a broad blanket statement I would say more than 700hp you need to upgrade your lines

 

Stock48 made good power on stock lines. 800hp+ correct?

 

Yes but he uses a metric **** ton of meth....roughly 1/2 gallon for a 1/4 mile pass.

 

thanks for input . just wondering getting ready to turn my masterpower 76 up hoping for around 650 .just making sure i dont have buy anything else.

 

Jeezus. Point taken, gracias!

 

I haven't been on the dyno in years but with my times and weight I should be in the 725-750rwhp range. I have dual intank 255's and 60lb injectors with one 650cc meth injector. Everything else in the fuel system is stock and I have not had any issues in 5+ years.