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Grinding pistons

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Old May 17, 2012 | 10:46 PM
  #1  
harleyfish's Avatar
harleyfish
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mk3 with racing 1300 kent
 
Joined: Jan 2011
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From: newcastle emlyn
Lightbulb Grinding pistons

Am i mad people?

i have a 1.3 kent with a racing head so the inlet valves 41.5 mm and the exhaust is 32mm

The pistons are escort 1.1 to raise compresssion

the valves are catching slightly on the edges of the pistons

can i grind out the pistons slightly so they clear with a dremmel or something
make sure they all weigh the same and file off any sharp areas?

would this work?
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Old May 17, 2012 | 10:47 PM
  #2  
Turbo Zetec's Avatar
Turbo Zetec
Engine Machinist
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From: Suffolk/Cambs
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technically yes, it just wont look pretty. as long as you dont go too deep, you should be fine. i've heard of people using angle grinders before
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Old May 17, 2012 | 10:50 PM
  #3  
harleyfish's Avatar
harleyfish
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mk3 with racing 1300 kent
 
Joined: Jan 2011
Posts: 17
Likes: 0
From: newcastle emlyn
Default wow

that was fast

they only catch slightly so its not mass removal.

Any 1 know a place to get 1.1 escort piston rings as i broke 1 being heavy handed?
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Old May 17, 2012 | 10:51 PM
  #4  
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harleyfish
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mk3 with racing 1300 kent
 
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Posts: 17
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From: newcastle emlyn
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thanks md cos
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Old May 17, 2012 | 11:03 PM
  #5  
botters's Avatar
botters
competant bodger
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From: preston
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grinding them is a bit pikey but doable you should really get valve cutouts done at a proper machine shop
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Old May 17, 2012 | 11:24 PM
  #6  
harleyfish's Avatar
harleyfish
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mk3 with racing 1300 kent
 
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From: newcastle emlyn
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i am a bit of pikey anyways
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