Refresh Block
Crank Collar
Arp Rod Bolts
Arp Head Studs
HKS Gt2510
Apexi Filter
Mishimoto Rad
N62 Maf
Walboro fp
750cc injectors
Nistune
Fmic
3" straight back except elbow
Hallman Mbc set at 15psi
3.96 ring and pinion
2 piece drive shaft
..... and a slipping clutch
11.80 is still really low. what is current reading at idle from battery ? it should be around 14-14.5. also when you turn on wiper, vent blower, and headlights how far does it drop. it should not drop below 13.5. if it does alternator is bad.