Chrisco
Active VIP Member
2021 Polaris 850 163 belt drive.
MTNTK pump gas turbo kit
power claw 162X3 track
Powder Freaks drivers
Mtntk antistab
Kurts gear down kit
SLP air intake
Cracing boost gauge mount
Autometer liquid filled boost gauge
Primary and secondary clutching.
Powder coated the rails, seat hoop, gauge mount, foot boards, all springs, front and rear bumpers.
Didn't like the black paint on the muffler or the pipe so had them coated as well.
The sled pulls real good on straight pump gas, to get a good baseline I started off with Polaris 10-74 weights in the primary with a 150-310 spring and at 4 pounds boost is running 8500.
Now going to feed it some weight, stay with 10 series Polaris and put in some 76 and diel the boost to spin 8400 that should be plenty to hang on to. If you know Polaris clutching at all pulling 74 grams at 4 pounds
at 8500 rpm with a 310 finish is impressive, this 850 makes some power. So time to crank up the boost and see where the pump gas limit is.
MTNTK pump gas turbo kit
power claw 162X3 track
Powder Freaks drivers
Mtntk antistab
Kurts gear down kit
SLP air intake
Cracing boost gauge mount
Autometer liquid filled boost gauge
Primary and secondary clutching.
Powder coated the rails, seat hoop, gauge mount, foot boards, all springs, front and rear bumpers.
Didn't like the black paint on the muffler or the pipe so had them coated as well.
The sled pulls real good on straight pump gas, to get a good baseline I started off with Polaris 10-74 weights in the primary with a 150-310 spring and at 4 pounds boost is running 8500.
Now going to feed it some weight, stay with 10 series Polaris and put in some 76 and diel the boost to spin 8400 that should be plenty to hang on to. If you know Polaris clutching at all pulling 74 grams at 4 pounds
at 8500 rpm with a 310 finish is impressive, this 850 makes some power. So time to crank up the boost and see where the pump gas limit is.
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