[DeTomaso] Fuel Pump Question

[JDeRyke at aol.com]

In a message dated 7/13/07 6:53:01 PM, artstephens at charter.net writes:

<< I have my car on a chassis dyno running wide open for a few seconds.  Fuel 
pressure does not drop.  That would not necessarily mean that I'm not at risk 
of going lean,  would  it?  If I am using fuel faster than the system is 
providing it,  could my gauge still be 
showing full pressure until the bowl actually empties?  I'm a little 
concerned about getting a false sense of security by watching the gauge for the brief 
time the car is wide open on the dyno. >>

Correct- the fuel level in the bowls could still be slowly dropping. 
Best/simplest/cheapest way is to have someone weld in a threaded receiver in your two 
exhaust collectors and add two wide-band O2 sensors & a gauge with a selector. 
 The hookup can be temporary or permanent. This will give a real-time reading 
of rich/lean on both banks of the V-8, well before any loss of metal occurs. 
Except with turbo- or super-charged engines, or the addition of a monster 
nitrous system. Then, things happen real fast, real bad. Setting such engines up 
at 11:1 seems to be the way pros insure not going lean, ever. There's more 
power at 14:1 but you're also closer to the 'fragmentation-grenade' area.... Good 
luck, Art- J DeRyke<BR><BR><BR>**************************************<BR> Get 
a sneak peak of the all-new AOL at http://discover.aol.com/memed/aolcom30tour
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