Howling
Soot Sniffer
- Joined
- Apr 30, 2006
- Messages
- 4,304
The local sled pulling class just released rules for '09 and they are allowing water injection this year but states that it must be single port only.Whats the best way to make a single port water injection work on a cr?
Here are the rules(note that it is 7500lbs:bang)
7500 Stock Appearing 4 x 4 Diesel Truck
1. General truck safety rules 1-14. All apply. No exceptions.
2. Truck must have stock frame and working front suspensions and axle available from one ton or smaller pickup placed in proper location, to be determined by truck frame and body. Working rear suspension required. No airbags, hydraulics, block or other assisting devices of any type on front or rear suspension, hitch or weight bar. Torsion bars allowed.
3. Truck body must match frame of truck, must retain full factory frame. Truck must have full box, all major OEM body components in proper location, with no holes in body or hood for intake or exhaust except for box. Cowl hoods allowed but cannot be fiberglass or composite, not hood scoops. Truck must have all lights installed in proper location. No tilt bodies or front ends.
4. Trucks required to have production drive train available in one ton or smaller truck. One transmission one transfer case.
5. Truck engine to remain in stock location, with stock appearing radiator installed in stock location. No engine components, other than intercooler, to extend beyond radiator unless in proper position as offered by OEM.
6. Single turbo only 2.8-inch inlet MWE grooves allowed, bushing allowed to downsize turbo. Bushing must be round. Bushing must be .75 inches long and within .050 of turbo compressor wheel.
7. Water injection allowed. Single port only.
8. #1 or #2 diesel fuel. Absolutely no other fuel sources.
9. Production block available in 1 ton or smaller pickup. OEM heads required. Bolted in stock location as intended by manufacturer. No spacer decks allowed between block and head. 450 cubic inch limit.
10. No aftermarket fuel pumps. Billet or sigma pumps prohibited.
11. Mechanical 3-way dump valve to be placed in fuel line as close to injection pump as possible to open pump supply to atmosphere. Exhaust must have tow bolts 3/8 in size in x pattern as close behind turbo as possible and must exit up behind cab.
12. Intercooler if so equipped to be in stock location and at stock arrangement available in 1 ton or smaller truck. No additional liquids or gasses to be used to cool intake air.
13. Hanging weights allowed. Not to extend past 60” ahead of centerline of front axle. Weights and weigh bar only past front bumper.
14. Tires must be DOT approved on 10” rims max, no cutting or grooving, no chains or duals. 35” or 315 metric tires max. Tires must track within centerline of each other.
15. Truck required having wheelbase no longer than matches OEM frame and body to designated truck. 131’ minimum wheelbase.
16. 26’ hitch height at hitch point. Hitch to be mounted to frame only, with no other devices attached other than for safety equipment and rigid in all directions. Hitching device must be al least on inch thick with 2.5 by 3.5 opening minimum. Hook point no closer than 27% of wheelbase back from centerline of rear axle.
17. Brakes on both front wheels required.
18. Trucks must have rear bumper to withstand sled impact. Bumper height same as super stock.
19. For 2009 season truck pulling in 7500 lb stock appearing diesel truck class will not be allowed to hook in stock diesel class at same event.
20. Trial Class, no points, and cash winnings.
____
Thanks,
Eric
__________________
Here are the rules(note that it is 7500lbs:bang)
7500 Stock Appearing 4 x 4 Diesel Truck
1. General truck safety rules 1-14. All apply. No exceptions.
2. Truck must have stock frame and working front suspensions and axle available from one ton or smaller pickup placed in proper location, to be determined by truck frame and body. Working rear suspension required. No airbags, hydraulics, block or other assisting devices of any type on front or rear suspension, hitch or weight bar. Torsion bars allowed.
3. Truck body must match frame of truck, must retain full factory frame. Truck must have full box, all major OEM body components in proper location, with no holes in body or hood for intake or exhaust except for box. Cowl hoods allowed but cannot be fiberglass or composite, not hood scoops. Truck must have all lights installed in proper location. No tilt bodies or front ends.
4. Trucks required to have production drive train available in one ton or smaller truck. One transmission one transfer case.
5. Truck engine to remain in stock location, with stock appearing radiator installed in stock location. No engine components, other than intercooler, to extend beyond radiator unless in proper position as offered by OEM.
6. Single turbo only 2.8-inch inlet MWE grooves allowed, bushing allowed to downsize turbo. Bushing must be round. Bushing must be .75 inches long and within .050 of turbo compressor wheel.
7. Water injection allowed. Single port only.
8. #1 or #2 diesel fuel. Absolutely no other fuel sources.
9. Production block available in 1 ton or smaller pickup. OEM heads required. Bolted in stock location as intended by manufacturer. No spacer decks allowed between block and head. 450 cubic inch limit.
10. No aftermarket fuel pumps. Billet or sigma pumps prohibited.
11. Mechanical 3-way dump valve to be placed in fuel line as close to injection pump as possible to open pump supply to atmosphere. Exhaust must have tow bolts 3/8 in size in x pattern as close behind turbo as possible and must exit up behind cab.
12. Intercooler if so equipped to be in stock location and at stock arrangement available in 1 ton or smaller truck. No additional liquids or gasses to be used to cool intake air.
13. Hanging weights allowed. Not to extend past 60” ahead of centerline of front axle. Weights and weigh bar only past front bumper.
14. Tires must be DOT approved on 10” rims max, no cutting or grooving, no chains or duals. 35” or 315 metric tires max. Tires must track within centerline of each other.
15. Truck required having wheelbase no longer than matches OEM frame and body to designated truck. 131’ minimum wheelbase.
16. 26’ hitch height at hitch point. Hitch to be mounted to frame only, with no other devices attached other than for safety equipment and rigid in all directions. Hitching device must be al least on inch thick with 2.5 by 3.5 opening minimum. Hook point no closer than 27% of wheelbase back from centerline of rear axle.
17. Brakes on both front wheels required.
18. Trucks must have rear bumper to withstand sled impact. Bumper height same as super stock.
19. For 2009 season truck pulling in 7500 lb stock appearing diesel truck class will not be allowed to hook in stock diesel class at same event.
20. Trial Class, no points, and cash winnings.
____
Thanks,
Eric
__________________