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Where Do I Get An Spi Inlet Manifold?

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#16 MatthewsDad


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Posted 29 October 2017 - 07:30 AM

Great job, I had the same issue on my manifold pipes and simply cut the rusty ends off and used an extra hose clip, not ideal. Yours is a really neat and permanent fix.

#17 Pops_Guild


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Posted 29 October 2017 - 08:32 AM

Thanks all. I have a spare inlet manifold which Im going to try the brass pipes with. They're slightly smaller diameter so the hi temp silicon will be more important I think. Will post pictures of that when I'm done.

Bit obvious but stainless ones were v difficult to bend right, brass was much easier.

I'll also post the ebay link later to where I got the pipes from incase anyone wants to give it a go themselves, I would think most SPIs will have this issue.

#18 FlyingScot


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Posted 29 October 2017 - 10:33 PM

Unless you have changed the coolant and maintained the system.


#19 Pops_Guild


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Posted 31 October 2017 - 10:17 PM

As promised here's where I got the pipe from...I got 500mm lengths of both and if you don't mess up the bending you'd get two inlet manifolds worth out of that length...or one :)


Stainless Steel - 15.87mm/0.625" T304 (could be polished if wanted)




Brass - 15.8mm




The Brass pipe is 'looser' than the steel.

#20 RooBoonix


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Posted 01 November 2017 - 02:35 PM

This is a great repair, I'll probably end up doing this as mine are getting knackered I'm not quite sure how they're not leaking!

#21 MiniAida


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Posted 06 November 2017 - 12:06 PM

Great work Pops!


What did you use to bend the pipes? It looks amazing!



#22 Pops_Guild


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Posted 06 November 2017 - 02:18 PM

Attached File  lead.jpg   63.14K   0 downloads


The pipe bending, especially with stainless was tough. First attempt flattened the steel on the big bend. We have a set of copper pipe benders for heating pipes. Have different profiles for different pipe sizes and bends but ended up using a 22mm bender set (15mm was too small) and packed it out with some lead.Then it was a matter of being careful to keep everything inline and not going too far when bending.


Also have pipe flaring tools to get the end right.

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