I also noticed when I went to the 470's i was pulling 200 rpm less on the hill and even on the trail and a few times on a really long pull down 400 - 500 rpm less. This was different from two weeks earlier with the 480's and same hill ws pulling strong all day. Temp was colder the second time...
I guess everyone has there own opinion on the matter which is good. Some people say wash others say plugs and others say exhaust temp. Keeps me thinking lol. I'm getting some good info though which is really good.
I changed the jets cause my plugs were always black and I had to much wash on the pistons. Going to change back and check again. Will check into the air intake thing never heard of that
I realize that but my pistons are totally covered in carbon with no wash. No wash equals not enough fuel cooling the pistons to wash some of the carbon away which gives the half dime size white spots. Just don't under stand why I had such dramatic results from jetting down one size. I also put...
08 summit xp 800r
- slp intake
- mbrp can
- dj clutch kit
Was running stock 480's and decided to check my pistion wash and found not alot of carbon build up, plugs were also black. Changed jets to 470's and now my pistion is completly black with what looks like maybe a pin prick of wash, and...
I have read a few reviews from some people and rental places saying they work, but until u actually use a force meter or something and watch it bend and compare numbers I guess it's all word of mouth. I have spent more money on less for my xp, worth a try IMO .
I'm going to put the order In tomorrow , but yeah about 160. 170 sh. If anybody else is thinking of ordering the kit call grip n rip 2 weeks to ship they said.
how did u pay $225 I phoned grip n rip racing and the three piece kit is $139 plus $20 shipping ordering mine tomorrow . Can't go wrong for that price even it it only strengthens it a little bit. hopping it helps though dealer replacing both my modules and a arm right now.