Post by knemo963 on Jun 19, 2014 8:43:53 GMT -5
Selling the motor out of my son's jr. The motor is a JR Racecars 3.75 inch bore ZR 4 motor and 44 mukini alcohol carb less than 25 runs since freshened (new rod, cam, bearings, rings). Also including the Shockwave overdrive clutch that matches the motor. Included is a full set of intake restrictors to slow down car, full set of jets and air bleeds, tools to take the shock wave apart, spare springs and cams for the clutch.
Price: $3000 or $2800 motor only.
Contact Knemo963@cox.net
Car weight with some ballast is 245 lbs. Had to use intake restrictor to slow down car to 7.90. With 105# child and 7/8 restrictor in the intake went 7.90's in july. When he was closer to 140# went to the 1 inch restrictor and 7.90's still no problem. Here is info on the car last time I ran it:
Car: 2006 Half Scale Outlaw 330
Motor: JR Racecars ZR4 3 3/4 with 44 Mukini (Alcohol)
Clutch: Shockwave OD with Reverse driven
Car Weight: 245 (no driver 25lbs ballast in tank behind tires, no ballast in tanks under motor or driver)
Driver Weight: 105
Carb Jetting: 125
Restrictor: Intake, 1 1/8
Rear Tire Pressure: 6.5 psi
Rear Tire Size: 18/8x8
Launch RPM: 4400 rpm
Clutch Ramps: C-4 70 40.0
Front Clutch Spring: Purple
Rear Clutch Sping: Orange
Shift Point: 7700 (according to data logger)
Driven Spring Hole: 0 (indexed hole)
Front Sprocket: 13
Rear Sprocket: 65
Final Ratio: 5:1
Timing (in the hole): 51 (1.44 measured with head on)
Rear suspension at locked middle
Price: $3000 or $2800 motor only.
Contact Knemo963@cox.net
Car weight with some ballast is 245 lbs. Had to use intake restrictor to slow down car to 7.90. With 105# child and 7/8 restrictor in the intake went 7.90's in july. When he was closer to 140# went to the 1 inch restrictor and 7.90's still no problem. Here is info on the car last time I ran it:
Car: 2006 Half Scale Outlaw 330
Motor: JR Racecars ZR4 3 3/4 with 44 Mukini (Alcohol)
Clutch: Shockwave OD with Reverse driven
Car Weight: 245 (no driver 25lbs ballast in tank behind tires, no ballast in tanks under motor or driver)
Driver Weight: 105
Carb Jetting: 125
Restrictor: Intake, 1 1/8
Rear Tire Pressure: 6.5 psi
Rear Tire Size: 18/8x8
Launch RPM: 4400 rpm
Clutch Ramps: C-4 70 40.0
Front Clutch Spring: Purple
Rear Clutch Sping: Orange
Shift Point: 7700 (according to data logger)
Driven Spring Hole: 0 (indexed hole)
Front Sprocket: 13
Rear Sprocket: 65
Final Ratio: 5:1
Timing (in the hole): 51 (1.44 measured with head on)
Rear suspension at locked middle
