750 dp AND vacuum secondaries? I assume you just mean vacuum secondaries. Try dropping your fuel pressure to 6 psi and check your float settings. Also if it happens while just cruising at consatnt throttle try a heavier secondary spring.
__________________
Good luck!
Brad R.
1992 L.X. 5.0 coupe
MODS: A few little bolt ons 
New Best time ...11.60 @ 128 mph @ 2000+ ft altitude.
Rice Haters Club member #39
Users rides #2542
|