> The only way to tell a 750cfm q-jet from an 800cfm q-jet is to
 > look up into
 > the primary bores.
hmm since I haven't had the pleasure of working on many Gm carb's
either they work or they die.. tweeking seems to be out of style with the gm 
q-jet carbs (at least around here)
 > For WFOT running, swapping secondary metering rods is a good
 > way to really
 > change the characteristics of the engine.
did that on the 454 motorhome and could tell the diff in milage along with 
the lack of low end loadup.. now at least the thing'll pull up the I-75 
kentucky hill without hitting 1st gear.. whew!
Kurt
---
---------------