Quote:
Originally Posted by not2oldchevy
The only fpr that will fit a 2003 return system will only do 52 pounds pressure.
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No. The only reason I'm drawing a hard line is that I can walk out to the garage and show you a 2003 Lq4 with a return style system (stock), and then show you my video on that exact setup running 58-60 PSI on the gauge.
Here my exact motor, on the 2003 rail, with over 58psi. Feel free to tell me the gauge is wrong or that it isn't a 2003
LS1Nova, is the plastic FF rail common at all? I've sourced a decent number of motors and don't think I ran into any off the top of my head that had plastic rails. Is there any other identifying mark? It looks JUST like the regular truck rail.