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Home > Help Needed / General Tech Chat > What size bore is 1293 or +20

colas

567 Posts
Member #: 102
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Pennsylvania USA

11th Jan, 2010 at 11:36:15pm

Hi

I need to tell the machine shop what to bore it to. What size should it be for +20 pistons?

Thanks

Sprocket

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11046 Posts
Member #: 965
Post Whore

Preston On The Brook

11th Jan, 2010 at 11:59:43pm

2.8"

On 26th Oct, 2004 TurboDave16v said:
 Is it A-Series only? I think it should be...
So when some joey comes on here about how his 16v turbo vauxhall is great compared to ours, he can be given the 'bird'...


On 26th Oct, 2004 Tom Fenton said:
Yep I agree with TD........

colas

567 Posts
Member #: 102
Post Whore

Pennsylvania USA

12th Jan, 2010 at 12:41:15am

Thanks man

Sprocket

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11046 Posts
Member #: 965
Post Whore

Preston On The Brook

12th Jan, 2010 at 12:46:26am

Do you NOT have the pistons?

DO NOT machine the block WITHOUT having the pistons first!!

On 26th Oct, 2004 TurboDave16v said:
 Is it A-Series only? I think it should be...
So when some joey comes on here about how his 16v turbo vauxhall is great compared to ours, he can be given the 'bird'...


On 26th Oct, 2004 Tom Fenton said:
Yep I agree with TD........

Rob H

4314 Posts
Member #: 700
Formerly British Open Classic

The West Country

12th Jan, 2010 at 07:35:32am

Always take the pistons down to the machine shop with the block.

Isambard Kingdom Brunel said:
Nothing is impossible if you are an Engineer

Vegard

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7765 Posts
Member #: 74
I pick holes in everything..

Chief ancient post excavator

Norway

12th Jan, 2010 at 08:07:23am

If they are AE or Omegas, bore the block to 71.12mm

On 13th Jul, 2012 Ben H said:
Mine gets in the way a bit, but only when it is up. If it is down it does not cause a problem.

Sprocket

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11046 Posts
Member #: 965
Post Whore

Preston On The Brook

12th Jan, 2010 at 09:17:13am




On 12th Jan, 2010 Vegard said:
If they are AE or Omegas, bore the block to 71.12mm


or seeing as Colas is in the US, 2.8"*happy*

On 26th Oct, 2004 TurboDave16v said:
 Is it A-Series only? I think it should be...
So when some joey comes on here about how his 16v turbo vauxhall is great compared to ours, he can be given the 'bird'...


On 26th Oct, 2004 Tom Fenton said:
Yep I agree with TD........

Vegard

User Avatar

7765 Posts
Member #: 74
I pick holes in everything..

Chief ancient post excavator

Norway

12th Jan, 2010 at 09:29:35am




On 12th Jan, 2010 Sprocket said:


On 12th Jan, 2010 Vegard said:
If they are AE or Omegas, bore the block to 71.12mm


or seeing as Colas is in the US, 2.8"*happy*


That might work as well *wink*

On 13th Jul, 2012 Ben H said:
Mine gets in the way a bit, but only when it is up. If it is down it does not cause a problem.

colas

567 Posts
Member #: 102
Post Whore

Pennsylvania USA

12th Jan, 2010 at 07:47:31pm

I dont have them yet. I'm in the process of getting them. They will be omegas. Thanks guys
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