Fuel Delivery for 1000hp.

Fuel Delivery Introduction    Fuel Delivery for 600hp    Fuel Delivery for 780 hp

The first point I'd like to make on this last (I hope!) fuel delivery page is that the Paxton regulator is *not* a huge restriction.  I've been slammed on some of the email lists for using this configuration because (it was claimed) forcing all the fuel through the regulator *before* it got to the fuel rails was going to severely restrict fuel flow to the injectors, causing my engine to lean out and self destruct, possibly in a fashion that triggers World War 3.  So...

The following 2 pix should dispel that concern.  On the left is a diagram that came with the Paxton regulator showing it used in the flow-through configuration.  They're *recommending* this config, guys.  On the right is a shot looking into the regulator through one of the -10 ports.  That hole is about an inch across!  There is at least as much cross-sectional area as in the 1/2" fuel lines.

Readers who haven't done much fabrication may have the idea that this kind of stuff ends up right on the first try.  In my dreams, dude!  The following 3 pix show the result of a day's work that ended up in the spare tubing box.  I thought the regulator would clear everything in this location, but it looked to be marginal enough to motivate starting over.  The real kicker is the time I spent re-bending the coolant crossover line to clear the passenger side inlet tube.  It all looked kinda kewl, though.

So here's how it actually ended up.  The motivation for all this was to get rid of the hard 90 degree bend in the previous version, and to attach the regulator to the head somehow.  Both missions accomplished!  The sender behind the intake is the switch for my low oil pressure idiot light.  The pic on the right shows that this latest hallucination does indeed fit.  What isn't shown is the bracket that secures the regulator to the head.

Local f-bud Alan Blaine (Blaine Fabrication) built me a new dual-cat y-pipe (previous cats hit too many speed bumps, I guess, because the bricks were shattered) that improved ground clearance by at lest an inch.  But that decreased fuel line clearance by at least an inch.  So, again, the tranny tunnel lines got tweaked.  The crude hammer marks on the tunnel show what happens when a temper meets a 2 lb sledge because the bellhousing bolt is hard to remove.

The pickup, fuel pump, and filters have not been changed (yet) from the configuration shown on the Fuel for 780hp page.

Spring '03 update:  Yes, the pump did change (again)!  I'm now running an Aeromotive 11104 pump and 16302 pump controller.  The pump is a bolt-in replacement for the Paxton I ran last year.