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Delidding & re lidding advice

mdickens98 said:
I got all my parts so went and had a go with a spare pc I had knocking around, i3 4160. Gotta say with the die mate 2 it really was a piece of cake! What a great well designed tool. Anyway, first tried using arctic mx2 between die and ihs and just using the clamp to hold it in place, amazed to see a clear 10 degree drop on full load! I then moved on to liquid ultra and used the rtv silicon to reattach the ihs but this time it was about 2 deg warmer than the mx2. I've redone it a second time using less liquid ultra but the temps are the same. A good improvement but it seems to cool better with mx2 or it could be that I'm not reattaching the ihs
Click to expand...

The reason you saw the increase when you used the rtv silicone is because it increased the gap between the core and the IHS.
 
Why re-glue the IHS at all? Just leave it floating, the heatsink will hold it in place anyway.
 
kitfit1 said:
The reason you saw the increase when you used the rtv silicone is because it increased the gap between the core and the IHS.
Click to expand...
I did wonder if that might be the case, I might try it again without regluing the ihs but using the liquid ultra. The only problem is the ihs moves quite a lot when trying to latch the retention clamp and because liquid ultra is conductive I don't want it to move at all really incase any of it touches any of the other components on the cpu
 
mdickens98 said:
This has crossed my mind and I'm still on the fence whether to buy Ryzen for that reason but as pretty much all pc games are developed for consoles these days I can't see pc gaming benefitting from more than 4 cores for a good while yet and even then the i7 has ht so shouldn't be lagging that far behind. At the end of the day I've got money burning a hole in my pocket and I've been wanting to upgrade my 2500k for a couple of years now so I'll see how I get on with my delidding experiments on the 2 cpus I've got now and go from there
Click to expand...

Both the top consoles are 8 core. :p
 
I delidded my 4790k last night (many thanks to Robzere31 for the loan of his Rockit88 delidding/relidding tool) and was quite shocked to find that the stock thermal paste had set like concrete so no wonder it was a hot runner. Cleaned the cpu and IHS up, applied CLU to the cpu die and a thin strip of black liquid gasket sealant to the IHS, refitted the IHS to the cpu using the relidding attachment for the Rockit88 and left it overnight. I have installed it this morning using Thermal Grizzly Kryonaut between the IHS and block and run Linx to stress test. I have got a whopping 25 degree C drop in temps!! The max I hit while running Linx is now 63 degrees C, previously it was hitting 88 degrees C. That's even bigger than the drop I had on my 4670k but then again the thermal paste on the 4670k hadn't set like concrete.
 
mdickens98 said:
I did wonder if that might be the case, I might try it again without regluing the ihs but using the liquid ultra. The only problem is the ihs moves quite a lot when trying to latch the retention clamp and because liquid ultra is conductive I don't want it to move at all really incase any of it touches any of the other components on the cpu
Click to expand...
With some care it can be done. When I delidded my 4790k it had an array of vrms close by. These got a layer of clear nail polish and I was just careful in my application of clu.
 
Brazo said:
With some care it can be done. When I delidded my 4790k it had an array of vrms close by. These got a layer of clear nail polish and I was just careful in my application of clu.
Click to expand...
I did try it again using liquid ultra and not regluing the ihs, the temperatures were the same, a good 8 degrees cooler than stock but still 1-2 degrees warmer than when I used the mx-2. I'm happy anyway with how it performs using liquid ultra and reattaching the ihs, a big improvement from stock so if I do but the 7700k I'll go with that method but all the comments about core counts have made me seriously reconsider Ryzen
 
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