Cologne v6 turbo pics needed

[mr]

Any idea what thickness metal the box needs to be made from? So the gas is just fed into the box then? Pretty sure I could weld up a box...................

[bortaf]

Broadspped did a carb conversion with a boxed carb if that helps at all maybe follow thier method ?

[mr]

That looks doable but its on an essex lump.not worried bout an ugly box but will the pierberg work ok? Not reknown for their quality...........

[Team Blitz]

Apr 30, 2011 19:26:42 GMT mr said:

Any idea what thickness metal the box needs to be made from? So the gas is just fed into the box then? Pretty sure I could weld up a box...................

Not much, whatever your boost is. You can simulate that with a compressor and see if it's sealed-up nice and tight. Yes, gas line has to pass thru the box seal, because your carb is in there, so it has to get there too! A lot of guys use an old pressure-cooker from the kitchen, and fab it out from there. Idea for you...

[mr]

at the risk of looking stupid here,is there a reason why the su cant be blown thru instead of sucked thru?? I'm guessing theres a good reason but ive had the car for 20 years now and none of my other cars have run su's

[chairchild]

SU carbs can (and have been, for several decades!) modified for blow-though operation. It's how the metro turbo ran it

But you HAVE to run either the standard metro turbo plenum, with it's restrictor rin, OR make a small restrictor plate up. The intake has to have an effective area equivalent to the throat size of the bridge inside the carb - if you don't, it simply won't run above idle.

It's a VERY simple operation, simply a matter of swapping a couple of seals over, and making sure that the spindles are in good nick

sign up on www.turbominis.co.uk/forums/index.php and start asking questions If they don't know a trick with the SU to make it turbo, then it doesn't exist

[ettorebugatti]

Don't forget the Michael May turbo conversion kit:




A bit crude today, but it was one of the first turbos on the street.

[mr]

i like that
so if the carb can be mounted directly to the inlet manifold then the air can be cooled before it gets there with an intercooler then. su are one hole though whereas the cologne is a inlet twin hole set up. is it possible to machine out the divider so the inlet manifold is just one opening fed by the one carb.
apparently theres a place near wickford in essex called "the carb clinic" or similar. ill see if they would refurb and set the su ive got for blow thru operation.
would prefer that than building a box in all truth.i like basic primitive stuff,all tends to be more reliable.
I'm suprised how few cologne turbod motors there are??
got a mate gonna take the spare sump ive got to have an oil return welded onto it this week .

[ettorebugatti]

Didn't the Janspeed Rover v8 turbo used two SUs?

[mr]

yep, here it is. love the little cooler at the front.ive got the hard pipe to the inlet manifold so I'm sure that I could make an adaptor to fit the su at the end of it,then I can have the cooler,su and everything where it needs to be. ill see how much itll cost to get the carb alteredn to blow thru during the week. ive been offered an engine now too so may look at building it up at work where theres room to manouvre and I can weld etc without risking burning down the garage

[bxer]

If you're doing all that work, why not use a fuel injection setup?

Probably work a lot better and be less hassle in the end?

[super66]

Check out my Scimitar thread (linked on my signature) That is a 2.9 cologne v6 turbo. I am looking at having a box made for the carb, which is a weber 38dgas. There is plenty of talk in the thread about how to get the best power out of it.