After spending over 2 years building a W9 Ritter block 434 the performance results are a little disappointing. I was expecting this engine combo to easily put the dart in the 9 second zone.Any tuning suggestions greatly appreciated.
Car details:
1972 Dart Bracket car, 3275 lbs w/driver 51/49% wt list
Ritter 48* Block
4.175 bore
4.00" stroke Scat Ultralight
Manley M300 rods w/ CARR 5/16 bolts
Diamond dish pistons 13.25 comp
W9 heads fully CNC ported by Tilburg Racing Engines in Trout Run, PA
2.15 / 1.60 Titanium valves
Mopar "420" 4150 manifold ported by Tilburg
Bullet Roller 275/280 Dur .730/.725 Lift 110 cam
Jesel 1.65 Rockers
950 Promax carb
1" SuperSucker spacer
1 7/8-2" step 3 1/2 collector custom headers
727 race trans
Turbo Action 4600 converter, Flashes 5000
Dana 4.88
12.2 / 31.25 Phoenix slicks
Leaf / Ladder bars
QA1 single adj shocks
36* timing
Foot brake 2500 launch / 7800 shift
Tried a 9375 1050 Dominator on a 1.5" adaptor and it went 0.05 faster on a sketchy track at the end of the season
416 car no. on time slips