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Spi Coolant Pipe Stub Removal


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#1 Fastorq

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Posted 06 July 2019 - 09:02 AM

What’s best way to get corroded pipes out without damaging original bore in alloy manifold.
Havnt tried anything yet ... an thinking blowtorch and twist with molegrips might do it ??

#2 minifreek1

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Posted 06 July 2019 - 02:05 PM

Replace the manifold is easiest way, don't think the pipes are soldered into place.



#3 xrocketengineer

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Posted 06 July 2019 - 02:51 PM

Do a search of the forum for the replacement of the pipes. Somebody already did and the final product looked like new.

#4 Fastorq

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Posted 07 July 2019 - 06:10 PM

It was pretty easy.
Just cut the corroded stubs leaving about a couple of mm protruding then sharpened up the flat tip of a small screwdriver and used it to tap the stub edge inwards and then downwards. It was easy to cut the metal of the tube this way carefully so as not to damage the ally bore wall.
Once cut through, the stub just pulled out.
5 minute job

#5 Pops_Guild

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Posted 08 July 2019 - 09:59 PM

Might have been my post? I showed a few steps. I did 2, one with stainless and one with brass pipes. The factory pipes are friction fit so you just need heat the manifold up a lot and pull the pipes out with mole grips. Fitting is the reverse once you’ve made replacement pipes. Picture is of the stainless one

Attached Files


Edited by Pops_Guild, 08 July 2019 - 10:00 PM.


#6 Pops_Guild

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Posted 08 July 2019 - 10:04 PM

Here’s the original post http://www.theminifo...inlet-manifold/


Edited by Pops_Guild, 09 July 2019 - 12:24 PM.


#7 kommander

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Posted 25 July 2019 - 05:25 PM

Did the same with mines today....replaced with stainless steel tubing.

 

Heated the manifold to remove the corroded pipes.






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