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Home > Technical Chat > seperating pistons from the con-rods?

JT

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2742 Posts
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Post Whore

Hertfordshire

28th Nov, 2007 at 07:56:43pm

hi

iv done a quick search but i couldn't find anything.

can you take the pistons off the con-rods without breacking the piston or damaging them?

the 15cc forged omega pistons i bought new from someone on ebay have standerd con-rods that im not sure i want to use as i want them lightend etc along with the crank so its smooth reving engine. and hopfully it would help it rev higher?


cheers
josh

My build thread..

http://www.turbominis.co.uk/forums/index.php?p=vt&tid=542985

Jason G

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4360 Posts
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En-suite user

Braintree, Essex

28th Nov, 2007 at 08:15:00pm

Pay someone else to do it. :)
Could try a flypress...but is it worth risking £400 worth of pistons????

On 19th Jan, 2010 wil_h said:
I would start the furthest place from the finish.


On 24th Mar, 2012 apbellamy said:
I feel all special knowing that I've given your mum my wood.


Been neglecting Turbo'd 'A' series..............

danboy

715 Posts
Member #: 1381
Post Whore

Doncaster, South Yorkshire

28th Nov, 2007 at 08:20:40pm

Josh, I have made a piece to support the Omega piston while the pin is pressed out.
You can borrow it if you want.
You will need acess to a press to do the job properly
Regards
Dave

Bat

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Bermingum

28th Nov, 2007 at 09:02:19pm

Hi,
I thought you heated the little end of the rod till it's a straw colour then they almost fall out?
Cheers,
Gavin :)

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danboy

715 Posts
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Post Whore

Doncaster, South Yorkshire

28th Nov, 2007 at 09:34:19pm

Hmmmm!
Regards
Dave

Joe C

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Carlos Fandango

Burnham-on-Crouch, Essex

28th Nov, 2007 at 09:34:58pm

I have used this with a fair bit of sucess...

http://www.turbominis.co.uk/forums/index.php?p=vt&tid=122262

On 28th Aug, 2011 Kean said:
At the risk of being sigged...

Joe, do you have a photo of your tool?



http://www.turbominis.co.uk/forums/index.p...9064&lastpost=1

https://joe1977.imgbb.com/



Vegard

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I pick holes in everything..

Chief ancient post excavator

Norway

29th Nov, 2007 at 07:50:23am




On 28th of Nov, 2007 at 09:02pm Bat said:
Hi,
I thought you heated the little end of the rod till it's a straw colour then they almost fall out?
Cheers,
Gavin :)


That's during assembly. How do you manage to heat the rod, and NOT the wrist pin when it's fitted?

I'll pay someone to do it. It's so easy to break them.

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.

Tom Fenton
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Fearless Tom Fenton, Avon Park 2007 & 2008 class D winner

&

TM legend.

Rotherham South Yorkshire

29th Nov, 2007 at 01:54:16pm

Anyone who has ever removed pistons from rods for me has done so with a disclaimer beforehand along the lines of "I'll do my best, but if one gets damaged hard lines".

Next question, why do you want to mess with the rods, standard ones do the job just fine, plenty of people use them with no problem, I've never known a turbo engine bust a rod as generally they don't rev all that high. More important though is the rod bolts, I use ARP personally.


On 29th Nov, 2016 madmk1 said:

On 28th Nov, 2016 Rob Gavin said:
 I refuse to pay for anything else


Like fuel 😂😂

Nic

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First mini turbo to get in the 12's & site perv

Herefordshire

29th Nov, 2007 at 02:23:32pm

i agree with tom

I was going to type all of this yeasterday, but i couldnt be muster up the energy


In a vegard stylee-Tom is right

MikeRace

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Force Racing ICT Dept Manager Miglia Turbo Am frum Yokshyer tha noes!

29th Nov, 2007 at 02:38:22pm

Ive done it with 3 large cap head bolts and a vice, they were buggered pistons though! I would never do it with good ones.

Take it to a professional everytime.

1/4 Mile 14.3secs 96Mph Terminal 10psi of boost.


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JT

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2742 Posts
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Post Whore

Hertfordshire

29th Nov, 2007 at 06:40:09pm

ill leave them as they are then


cheers
josh

My build thread..

http://www.turbominis.co.uk/forums/index.php?p=vt&tid=542985

Bat

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Bermingum

29th Nov, 2007 at 06:40:32pm

Hi,
I took my rods to a professional, and thats how they did it. Welding torch with a fine tip, heat it up away you go :)
Cheers,
Gavin :)

VEMs Authorised Installer / Re-seller. K head kits now available!

WB/EGT gauges. Click here for customers write-up

Visit www.doyouneedabrain.co.uk

My Mini build diary

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