When I install my stand alone, do I have to keep the factory ECU??  And do all the factory gauges still work?  Like the boost gauge and tachometer, will they still work?

www.lightningmotorsports.com   I've bought two BOV's and a set of Tokico front Shocks from them.  Best prices I've found for those items.   Only problem stems from the "BROWN UPS"  I shoulda checked before working on it, but had my struts pulled only to find the second of the two cardboard boxes tapped together to contain.....NOTHING!!!  A small rip was tapped up on the bottom of it, but I get the shaft because NO REPLACEMENT until they file for damage claims w/ UPS who picked up the whole pac

I am getting ready to purchase a boost and A/F gauge. What type are you guys and gals  using. Is there one make more reliable than another?  Thanks.

Tonight i got my hands on a Fuel Pressure regulator finally so i could complete my fuel system.  Everything went in nicely, i poured gas in the tank, plugged in my fuel pump relay, switched the key on and "squuuiiiirrrrrtttt" gas goes every where.  i figured it was one of my AN lines at first.  i looked at the injectors and it was spraying out all around the tops of the injectors.  i guess my sealing method didn't work.  so, i grabbed my closest piece of sheet metal and cut out some 1"x1" square