Mid-West Pro Mod Series Rules / Regulations Board Members Adviser Board Members David Cook Chris Bell Bill Stocklin 2 other Staff (Can't say due to work for other organizations) Norm - PSI Blowers Carl Stevens Racers Board Members: Jeff Pierce (N) Steve Jackson (S) Brandon Pesz (S) Jim Sackuvich (N) Daniel Pharris (T) Cody Barklage (R) Safety Rules: ALL published NHRA safety rules will be in affect. Nitrous: 965 cubic inch limit 5.3" Bore Space & Up 2400lbs minimum 5.2" Bore Space max 2275lbs minimum 5.0" Bore Space max 2175lbs minimum 899 Cubic Rule -50lbs Roots Big Block: no overdrive limit 5.0" bore space max Hi-helix/ Roots 2425lbs minimum Hi-helix/ Roots 18-71 Roots 2475lbs minimum (Add 50lbs lock-Up Transmissions also if you have a lock-up in the car no matter what you have to run the weight - no other power adder) Roots Small Block: Small Block up to 4.600 bore space max Hi-helix/ Roots 2250lbs minimum (Add 50lbs lock-Up Transmissions also if you have a lock-up in the car no matter what you have to run the weight - no other power adder) Pro-Chargers: 5.0 bore space max 2425lbs minimum 2325lbs minimum none Hemi-481x- only 24" degree conventional head (Add 50lbs lock-Up Transmissions also if you have a lock-up in the car no matter what you have to run the weight - no other power adder) Screw (C) Combo: Big Block 5.0 bore space max 70% overdrive max 2425lbs minimum 92% overdrive max 2550lbs minimum 110% overdrive max 2675lbs minimum (Add 50lbs lock-Up Transmissions also if you have a lock-up in the car no matter what you have to run the weight - no other power adder - Also If the over rule is *example applies to all C Combos* 70% then any combo 70.9 and below is acceptable) Screw (D) Combo: Big Block 5.0 bore space max 92% overdrive max 2500lbs minimum (Add 50lbs lock-Up Transmissions also if you have a lock-up in the car no matter what you have to run the weight - no other power adder) Screw Small Block Combo: 4.60 bore space max 2500lbs minimum (Note can run lock-up no weight add - no other power adder) Whipple Combos: A980 75% 2425lbs minimum A980 92% 2500lbs minimum (Add 50lbs lock-Up Transmissions also if you have a lock-up in the car no matter what you have to run the weight - no other power adder) Turbo: 5.0" bore space 88 mm max 2450lbs minimum (5.3" bore space add 50lbs) (+50 pounds for 94 mm) (+150 pounds for 98 mm) (Add 50lbs lock-Up Transmissions also if you have a lock-up in the car no matter what you have to run the weight - no other power adder) Single Turbo: 118 mm max Small Block - 2300lbs minimum Big Block - 2450lbs minimum (Note can run lock-up no weight add with a small block & 50lbs add for big block - no other power adder) Twin Turbo: 4.60 max bore space Small Block - 2375lbs minimum (Note can run lock-up no weight add - no other power adder) -------------------------------------------------------------------------------------------------- Mid-West Outlaw Radial Series Rules / Regulations View Rules: RVW (Rules Only / Not Payouts from DXP) View Rules: X275 (Rules Only / Not Payouts from DXP)