904 race build

engine size....weight of car?

i use 5 thin oem disc in the front ...along with the 25 spring kit in the front drum. Use Kevlar bands front and rear...except now I have some red line wider front bands from Tranzact that i am using.
Billet Rear Servo from MOPAR 904 500 42RH 42RE TRANSMISSION BILLET REAR SERVO KIT, DODGE, PLYMOUTH AMC | eBay
plus his band strut too.....

only problem i have had with 904s were my mistakes with the rear drum lip seal.....
cars are around 2900/3000 lbs plus or minus....they have run 6.40s in the 1/8 a few times in Vegas and always at sea level....
4 of the cars have Tranzact tranny brakes...and one has old Turbo Action Cheetah RMVB....