Welding the GM inlet manifold

**CraigGreen** · 13-12-2005 15:16

I want to make a custom plenum for my 1600 turbo, or rather modifying the std inlet. I want to move the throttle body from the left to the right, essentially reversing the plenum.
Whats the deal on welding cast alloy?

**Miles** · 13-12-2005 15:28

Are we talking 8 or 16v?

If 16v you could use a mantzel powerbox type item to improve the flow and change the position of the tb.

I'd assume welding cast alloy is a specialist tig job.

**CraigGreen** · 13-12-2005 15:36

I want to reverse the plenum from a Nova GTE. Slice the plenum chamber from the runners, turn it round & mount it back down.

Chemical metal did I hear someone say?

**16vmini** · 13-12-2005 15:52

allspeed do a reverse inlet maifold for a c16se , for there mini conversions , allows the air box to be over the gearbox.

http://members.aol.com/hallredrita/page4.html

will try and find a pic, if you want it for a 16v they maybe able to help. but they cut and weld them as far as i know

**Rs1** · 13-12-2005 15:56

Thats a hey ho hell no for chemical metal,lol. It'll need tig'ing.

**Ashman** · 13-12-2005 15:59

TIG mate

Originally Posted by CraigGreen

I want to reverse the plenum from a Nova GTE. Slice the plenum chamber from the runners, turn it round & mount it back down.

Chemical metal did I hear someone say?

**Ashman** · 13-12-2005 16:00

too slow

**CraigGreen** · 13-12-2005 16:11

Originally Posted by 16vmini

allspeed do a reverse inlet maifold for a c16se , for there mini conversions , allows the air box to be over the gearbox.

http://members.aol.com/hallredrita/page4.html

will try and find a pic, if you want it for a 16v they maybe able to help. but they cut and weld them as far as i know

Nice one (pic). link is dead.

I'd rather mod the existing plenum (ive got 4) than pay a mini tuner loads for one.

Ive got a pic of what I want to do. Saw it in a euro turbo'd 8v GTE.

**Brian_S** · 13-12-2005 17:36

Well get your AC TIG out then and mod one!

Of course if you haven't got an AC TIG you'll need to find someone who will do it for you and that will cost more than buying what already exists! Mainly because no-one would want to do it.

If you want to buy your own TIG capable of doing the job then you'll need to stump up £1200 or so to buy one new...

**16vmini** · 14-12-2005 07:55

here it is :

you old manifold + 75 quid + VAT + postage

but if you can weld it your self thats a different issue.

Matt

**CraigGreen** · 14-12-2005 11:50

Thanks for the pics. thats what I'm after.

Anyone into AC Tigging?

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