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[dave the builder]

Thinking out loud but I wonder how easy it’d be to move the stat. So in my head I’m thinking keep the original housing in situ with stat removed. Pipe. Stat positioned just before upper hose. Then upper hose. Not sure of logistics but would be nice and serviceable!

we used to do that on Astra 8 valve engines because some idiot designer hid the stat behind the timing belt 
there is a Renault stat that fitted inside the top hose on those
the mod ran the engine slightly warmer ,with slightly better running costs
I've not looked at the V6 in detail enough to know if a similar mod would work, when my stat plays up,I will look

[Andy B]

....

Thinking out loud but I wonder how easy it’d be to move the stat. So in my head I’m thinking keep the original housing in situ with stat removed. Pipe. Stat positioned just before upper hose. Then upper hose. Not sure of logistics but would be nice and serviceable!

I wouldn't say it'd be worth it. I had my Omega for eons & did 90k and only needed to change the 'stat once.

[Webby the Bear]

Cheers all. I’ve had the car 10 years and been through two lol

[Andy B]

Cheers all. I’ve had the car 10 years and been through two lol

[Doctor Gollum]

Cheers all. I’ve had the car 10 years and been through two lol

Buy a better thermostat and change the coolant more often than Tunnie washes his car... 

[Kevin Wood]

....

Thinking out loud but I wonder how easy it’d be to move the stat. So in my head I’m thinking keep the original housing in situ with stat removed. Pipe. Stat positioned just before upper hose. Then upper hose. Not sure of logistics but would be nice and serviceable!

I wouldn't say it'd be worth it. I had my Omega for eons & did 90k and only needed to change the 'stat once.

Only changed mine once in nearly 200k.

[Diamond Black Geezer]

Same 'ere, though it was me that had to do it, (at approx 180k, now on 209k) it was when they had genuine Wahler ones on ebay with the little GM half-ground off. A few people bought them off here as I remember.

[Nick W]

Thinking out loud but I wonder how easy it’d be to move the stat. So in my head I’m thinking keep the original housing in situ with stat removed. Pipe. Stat positioned just before upper hose. Then upper hose. Not sure of logistics but would be nice and serviceable!

you would need some sort of housing to hold the stat. That would be a fairly bulky thing in an area already crowded with service(or parts that need to be removed) parts. An Omega might need two replacement thermostats over a twenty year life, so the time and hassle of moving it simply aren't worthwhile. And it's already in the best place, in the coolant in the engine.

[TheBoy]

Once the pipe has ben seated in the stat housing for a while its highly unlikely to detach itself. I suppose the bolt is just belt & braces really.I thought about leaving mine out once, but bottled it. My reasoning was that with my luck, mine would be the one that came apart or leaked.

This is my worry with not fitting the B-bolt (or otherwise securing the xfer pipe...