FYI: If you are interested in some under hood bling - R.A.R.E sells billet aluminum pulleys for Pontiacs.
+1 on R.A.R.E....I was slingin belts off when I was doing some 1/4 mile runs...put their billet pulleys on have not thrown belt since, that is with 6K+ rpm.
6k plus?? What kind of set up you have in your car? Were you using stock pulleys or something else?
Was using stock pulleys. Current setup is -
1969 YA block - .060 over
10.2:1 compression
Stock crank
Speed Pro L2262F pistons
CAT H-beam rods
Harland Sharp 1.65 rockers
Edelbrock RPM intake
Holley DP 815 cfm
Summit 140 gph electric fuel pump
Edelbrock 72cc heads ported 295-305 cfm
MSD 6AL CD, MSD Blaster 2 Ignition Coil
12 bolt 4.10 posi
200-4R
Art Carr 10” 3200 stall
2" MadDog Headers
DMH Electric cutouts