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Rossier Or Cheetah Cylinder Kit


shee4202

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i dont know muchabout trinitys motors so dont take this personal all tou trinity guys but.. i havent heard many good things about trinity, yesterday i raced a guy with a stage IV port&polished and cool head trinity motor and he said it was a 380

well.. the turnout was on a 1/2 mile flat track i had a 1/2 of a lap on him and im on a stock bore with a port and polish.. but he wasnt sporting powervalves so aain no offese to you trinity guys.. just my 2 cents.....

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YES BUT YOU CANT BORE THE CHEETCHA CYLINDERS LIKE YOU CAN THE TREX. THE ONLY DIFFENCE I KNOW OF IS YOU HAVE TO PORT THE T REX WHICH IS A LITTLE MORE MONEY BUT BETTER IN THE LONG RUN THE NIKISIL COATING IN THE CHEETCHA IS KINDA SPENDY FROM WHAT I HEARD AND THERE TURN AROUND IS PRETTY LONG, ALSO THERE ARENT MANY PEOPLE THAT DO THE NIKISIL COATINGS. I WOULD GET TREX IF I WAS YOU AND HAVE IT PORTED FOR WHAT YOU WANT.

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I heard that too Jethro, i think there was a batch of cylinders that werent plated correctly so far i havent had any problems with mines.It is true that in alot of cases with Nikasil plated cylinders when you trash a piston the only thing you have to do is to clean the cyls and throw in a new set of pistons, not always though...

 

I love the T-REX set up and i am not putting it down but like i said earlier, in this particular case i would opt for a set of Cheetahs.

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yeah i duno if any know if this is true or not i heard the NIKISIL  they use in the cheetah is not verry hard for some reasion the nice thing about nikisil is usaly if you blow the pistion you can run a dimond hone threw the sleaves and throw new pistions

I thought I read on here that NYUK trashed a piston in his cheetahs with no damage to the cylinders at all.

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Does anybody have any long term experience with the maintenance cost with a nikisil cylinder? Doesn't the nikisil make a set of rings last a whole lot longer? Does it extend rebuilts and usually make a blown piston just a mater of honing the cylinder to clean it up and throw in a new set of pistons, or does the nikisil end up getting wrecked often enough requireing a re-cote? In the second case you end up loosing any savings in the long run (say 6 years) that you would have made due to less maintenance cost in the short run (say 3 years).

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Does anybody have any long term experience with the maintenance cost with a nikisil cylinder?  Doesn't the nikisil make a set of rings last a whole lot longer?    Does it extend rebuilts and usually make a blown piston just a mater of honing the cylinder to clean it up and throw in a new set of pistons, or does the nikisil end up getting wrecked often enough requireing a re-cote?  In the second case you end up loosing any savings in the long run (say 6 years) that you would have made due to less maintenance cost in the short run (say 3 years).

From the experience we have with sleds around here Nikasil plated cylinders will last longer and most of the times when you trash a set of pistons, you clean the cyls slap a new set of pistons in there and you are ready to go.With that said after some time the Nikasil plated cyls will get damaged and this is where it becomes costly...All in all id say it evens it self out, iron sleeves vs nikasil plated so personnally i dont care if a top end is plated or if it uses regular sleeves.The fact that there is a shop who plates cylinders about an hour from where i live may influence my judgement, we can get our cyls plated in 7-10 days...

 

The rings doesnt really last longer but the bores do since Nikasil is stronger or harder than the rings are,this is why it extends rebuilds unless disaster strikes of course.

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