340 Camshaft

What rear gears are you running ?
4 gear or auto ?
Guessing by saying 325 hp your saying you got the high cr & 2.02 340.

Stock specs are something like this
268/276 210/220 @50 429/444 lift 114 lsa.

Could go to popular 110 lsa add 0.040-0.050" + lift and 5 to 15 degrees @ .050" depends on what you are looking for, something like (or other brands with similar specs) comp cams xe262h or xe268h pretty popular upgrades.