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displaying posts 1 to 11 of 11
| Author | Subject: 87mm pistons |
 thelegendofando
Regular  Location: Lincoln Registered: 24 May 2011 Posts: 137 Status: Offline |
Post #1
I'm getting really confused over bore sizes and I suspect the answer is simple.I've bought some 87mm wossner pistons, is it the bore that is 87mm or the actual piston? In other words, what do I tell my engineer to bore it out to? ________________________________________ 205 GTi6 - work in progress |
 Posted 23rd Jul 2011 at 00:16
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bigbadbowen
Seasoned Pro  Location: Winchester Registered: 21 Nov 2003 Posts: 13,753 Status: Offline |
Post #2
Give the piston and the block to the engineer he will do the rest  |
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Posted 23rd Jul 2011 at 00:18
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thelegendofando
Regular Location: Lincoln Registered: 24 May 2011 Posts: 137 Status: Offline |
Post #3
I did but then he shouted at me for not knowing what size to bore it to :s________________________________________ 205 GTi6 - work in progress |
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Posted 23rd Jul 2011 at 00:29
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marksorrento205
Seasoned Pro  Location: Airborne in the lanes Registered: 26 Aug 2008 Posts: 2,223 Status: Offline |
Post #4
Surely he should know or be able to find out the limits and clearances etc? If not maybe try somewhere else? Try pm'ing Pete. He is in Stoke and has had the same work done. click here to pm him ________________________________________ How to do a clicky: [url =http://www.306gti6.com]click here[/url] remove the space between [url & = |
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Posted 23rd Jul 2011 at 00:47
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thelegendofando
Regular Location: Lincoln Registered: 24 May 2011 Posts: 137 Status: Offline |
Post #5
Well he said he will try and find a spec sheet for them and let know on moday, so I'll wait until then. Just wanted to know if its the incredibly obvious 87mm or if I'm missing something. ________________________________________ 205 GTi6 - work in progress |
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Posted 23rd Jul 2011 at 01:02
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maddriver9
Regular  Location: nr leek Registered: 12 Mar 2008 Posts: 341 Status: Offline |
Post #6
were you having it done i had mine done at Dave rushton in smallthorne an he worked it out it's all to do with how much the piston expands wen hot the skirt expands less than the top of the piston due to material been different thickness's.________________________________________ 178bhp 205gti6¼ mile in 14.2 |
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Posted 23rd Jul 2011 at 01:15
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thelegendofando
Regular Location: Lincoln Registered: 24 May 2011 Posts: 137 Status: Offline |
Post #7
I'm having it done at Dave Rushtons lol yeah he said all of that but I'm a good customer of his so he likes to give me some stick when I get something wrong! I originally told him to bore it to 87mm but then I got confused about if the pistons were 87 or the bore was 87.________________________________________ 205 GTi6 - work in progress |
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Posted 23rd Jul 2011 at 02:14
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allanallen
Seasoned Pro Location: Buxton Registered: 01 May 2007 Posts: 1,399 Status: Offline |
Post #8
I would imagine it's for an 87mm bore, the piston should measure a bit smaller. This should be fairly obvious to an engine machinist?! ________________________________________ www.bridgecraftmotorsport.co.uk |
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Posted 23rd Jul 2011 at 02:15
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dav1
Regular Location: leek/staffs Registered: 20 Jun 2011 Posts: 312 Status: Offline |
Post #9
I had mine done there, he did good job.________________________________________ 230bhp 205 gti6 |
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Posted 23rd Jul 2011 at 03:25
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thelegendofando
Regular Location: Lincoln Registered: 24 May 2011 Posts: 137 Status: Offline |
Post #10
dav1, you keep appearing in my threads! it's a bit creepy  ________________________________________ 205 GTi6 - work in progress |
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Posted 23rd Jul 2011 at 03:30
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dav1
Regular Location: leek/staffs Registered: 20 Jun 2011 Posts: 312 Status: Offline |
Post #11
that's cus I done it all before you. ________________________________________ 230bhp 205 gti6 |
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Posted 23rd Jul 2011 at 03:45
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