mike got anymore pics of the back box?

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Team Supercharged Gti-6

NV Motorsport
Automotive Performance Tuning
0121 448 7515
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Project S6

How have i not seen this before now?!

Cracking write up, awesome thought process and you actually turned it into a fully functioning motor (instead of getting bored and selling up )

Fabulous job mate!

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Well, a few thousand miles down the road and the car is still running. If anything, it's actually gotten a little quicker - I ran some tests on the same strip as before the other day (if anything, in slightly warmer temps) and 0-100mph is now a repeatable 12.7s

This update is brought to you by the word "Coolant"

I did pick up a bit of an issue, I seemed to be losing coolant. Not at an alarming rate, but still enough to need a top up every 500 miles or so. I was convinced it would be the head gasket, especially after my coolant turned a weird shade of brown after a trackday. But subsequent tests showed no combustion gasses in the bottle and a compression test looked OK (200,206,206,200). So I flushed the oil and the coolant and kept an eye on it, but no mystery puddles and no further oil in the coolant or coolant in the oil. Yet still the coolant level was going down I thought maybe it's a leaking rad cap, so I got a new one. Also vented the overflow into a plastic bottle so I could see if it was going out that way.. Still no dice.

Then, the other day, while I had my head in the wheelarch, I spotted something. That bloody Gates hose I'd been so pleased to find (the one from the back of the block to the bottom of the rad) had tell-tale stains of coolant on it The hose is constructed with a wire embedded inside to allow it to bend to tight bend radius without kinking, there are no obvious puncture or damage marks and it's well protected where it is, so I am guessing that the wire somehow broke and punctured the inner hose and allowed coolant out between the rubber and the outter protective sleeve..

Check this out





Still, I had a spare length of the gates hose and - ever the optimist - I decided to renew it and see how that holds up. Perhaps it was just a manufacturing fault of the first hose..I can't see what else could have gone wrong. At least I hope that's the cause - there's also an ominous shadow across the bottom of my radiator, though it seems to be worst near the drain plug area so I'm hoping it's just spills from the various coolant drains/flushes.. if it isn't and it turns out the rad is leaking as well then I am going to suffer a biblical sense of humour failure.



While the coolant system was drained, I couldn't pass up the opportunity to fit something shiny Having previously run into packaging problems with a regular oil cooler, I thought I would try something a little different (here we go again! ) and go for a Laminova cooler instead. Apparently some of the touring cars ran this setup. Since there seems to be next to no mention of these on the forum (literally a couple of posts), I'll paste in a bit of the blurb in case anyone finds it useful:



Seems like a neat solution, and one that would work well with the improved cooling capacity that I have (leaks aside!).

Fitting was a case of cutting down the rad top hose and putting this in-line, then connecting oil hoses and the usual sandwich plate (without thermostat, as I wanted to benefit from the heat exchanger helping to warm the oil up initially when it's cold).

There was a bit of an annoyance at the oil sandwich plate side, with -8 JIC fittings and big 22mm nuts on the oil hose connectors, there was no way of getting my adjustable spanner on to tighten one side without fouling on the other connector So next morning I headed off to Halfrauds to buy a proper 22mm spanner, only to discover this wouldn't fit either. Basically, Mocal had devised a setup for which no tool seemed to exist to assemble it! Thanks a bunch, lads

So, I got creative with an angle grinder and made frankenstein's monster out of the 22mm spanner, a tool I can never return and has only one very niche purpose on my car!

Here it is, after finally getting the fittings tight. Due to the angle of the 205 outlet I'm using, it towards the boost pipe a bit, but I may stick some heat wrap on there to help - and perhaps a custom outlet for the future.



The size of unit I've gone for is roughly the equivalent of a 16-19 row normal cooler. The standard hooligan test seems to show rock solid oil temps (much more so than before) but will need further testing to make sure, preferably on a trackday soon

Now just have to cross my fingers and keep an eye on that coolant level..!

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Democracy is two wolves and a lamb voting on what to have for lunch..
..Liberty is a well-armed lamb contesting the vote.

Project é - my 306 project thread.

About £40ish more than the equivalent oil-to-air cooler.

Yes it needs coolant flowing through it, preferably the full flow although if you only have, say, a heater matrix hose available (which sees less flow) they can supply blanking plugs for the coolant chamber to help compensate.

On their advice, I took the direct route and plumbed it in place of a section of the top rad hose i.e. thermostat housing -> laminova -> rad. Theoretically, though, it can go pretty much anywhere in the engine bay and just route the coolant & oil hoses to it, which is useful if you've got space/packaging issues.

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Democracy is two wolves and a lamb voting on what to have for lunch..
..Liberty is a well-armed lamb contesting the vote.

Project é - my 306 project thread.

Indeed! It's one of the things I was thinking about, as I wasn't happy with the spots I had left to place my normal cooler. Plus, mounting one properly can be fiddly, The beauty of this is it's a sturdy unit, no mounting tabs or fragile fins, the coolant hose is what holds it in place.



No problem PM sent..

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Democracy is two wolves and a lamb voting on what to have for lunch..
..Liberty is a well-armed lamb contesting the vote.

Project é - my 306 project thread.

The spanner you need is an Imperial one, something like 7/8" or so. I can't remember exactly. Unfortunately bieng a child of the 70s I did'nt have one in my toolbox, but a quick rummage in Dad's unearthed what I was looking for.

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R H Davey Welding Supplies. I sell new and used welding equipment in the Hampshire area. I take on welding jobs in the evenings, ally casting repairs are one of my specialities but I can weld pretty much anything. PM me with your requirements.

Some of my services: (See my for sale threads)
Engine mount/chassis repair
Solid Beam Mounts BACK IN PRODUCTION
Harness bars

Did you thin one down with a grinder then?

I was lucky, Dad had some slimline Britool ones, you got to love raiding other peoples boxes for special tools

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R H Davey Welding Supplies. I sell new and used welding equipment in the Hampshire area. I take on welding jobs in the evenings, ally casting repairs are one of my specialities but I can weld pretty much anything. PM me with your requirements.

Some of my services: (See my for sale threads)
Engine mount/chassis repair
Solid Beam Mounts BACK IN PRODUCTION
Harness bars

This car is steer'd by a man! no PAS pump required!

Atleast, not when I last saw the car anyway...

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Long live the Sigma 6
Team Phase 1 supercharged

XBL ID: farmer uk1

Awesome

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You didn't see anything. Right?

Cheers!



I think they put their green stripe on different products, but this is supposed to be "Green Stripe Coolant Hose". So here's hoping!

I know the stuff you mean, it's the "Vulcoflex" isn't it? So far, the replacement has sorted the issue so maybe it was a freak incident. But if it does go again then I will have to use something else.

In terms of an update, the car is now due its second MOT. How time flies!

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Democracy is two wolves and a lamb voting on what to have for lunch..
..Liberty is a well-armed lamb contesting the vote.

Project é - my 306 project thread.

I.. er.. .. well spotted.

In my defence, it's not load bearing - it's just there to protect the battery a bit and support the positive bus bar the way the stock battery box does (which wouldn't work so well if it was metal).

Hopefully this is a slightly more approved use of wood in the engine bay, rather than supporting the slam panel etc.

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Democracy is two wolves and a lamb voting on what to have for lunch..
..Liberty is a well-armed lamb contesting the vote.

Project é - my 306 project thread.

Any final finished engine bay shots ?

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Thank Phat Its Friday

Team: Gti6