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Vitara Pistons too sloppy? what about trying this?

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Old 03-02-2007, 02:25 AM
  #21  
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Default Re: Vitara Pistons too sloppy? what about trying this?

narley
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Old 03-02-2007, 05:14 AM
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Default Re: Vitara Pistons too sloppy? what about trying this?

Knurling is so simple buk could do it. It's the knurling attachment that costs money.
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Old 03-02-2007, 01:01 PM
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Default Re: Vitara Pistons too sloppy? what about trying this?

Originally Posted by fork
how much slop is it. you can't build a motor by saying. eh that feels a little loose, you need to measure
my p2w clearance was .004 i didnt think it was that bad...its just barely out of service limits, mine didnt knock too bad, nothing more than any other forged piston...i had a friend with cp's in his sohc and you couldnt tell the difference.
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Old 03-02-2007, 03:28 PM
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Default Re: Vitara Pistons too sloppy? what about trying this?

So this doesn't scratch the cylinder walls? I would think that since the skirts aren't really smooth anymore then it would be easy to develop scratches on the walls that could cause a whole list of problems.

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Old 03-02-2007, 10:23 PM
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Default Re: Vitara Pistons too sloppy? what about trying this?

Aluminum is softer than steel.
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Old 03-03-2007, 03:01 AM
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Default Re: Vitara Pistons too sloppy? what about trying this?

Originally Posted by 90dx
You put them in a lathe and use a knurling tool it has little rollers with various patterns that cut.That is def old school and used mainly in Cuba etc these days.
this dude is right....its the lathe...same way you would make a handle for a cheater bar or something like that....very simple...i dont know how effective it would be exactly cause your really not gaining much as far as diameter...atleast you wouldnt think
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Old 03-03-2007, 11:19 AM
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Default Re: Vitara Pistons too sloppy? what about trying this?

A few thousandths is a few thousandths.

Clean bore D16 - a hard find, they are all 7+ years old now - take STD Vitaras as noted, but the ones with a little wear on the bore are the slappers. Frankly, the guys running Vitaras to be cool and only making 250-275 aren't going to have aproblem with this, but try running a big power D16 with **** *** piston-wall clearances and see how long it is before you run into problems.
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