Sunbeam Core Contact Freezer - i need some help

[T3H_SCORCH_XP]

well i made a build with a e8400, and well i went over budget, so im selling that one, and making a new bluid with an amd 5400+

im going to be doing my first lap job on the cpu, ima gona get NASTY! lol jk

anyways, i have the sunbeam core contact freezer, it has 4 8mm coper heatpipes that make contact to the cpu.

i wanted to know 2 things:

can i lap the heatsink as well? should i do it?
and how should i apply the paste, with the heatpipes exposed, theres groves on the sides that has to be filled in

[bartx]

You should just put more thermal compound than usual. Lapping the heatsink won't give nothing in my opinion.

[Ozzfest05]

this is one heatsink you should maybe avoid lapping how thick are the walls on the heatpipes | I dont know but if your lapping this thing and you lap right through a heatpipe that would suck and BTW the E8400 was a better choice completely kills all current AMD cpus but hey

I wouldnt use more thermal compound as it can act as an insulater

[bartx]

I'm agree with you, but remeber that base isn't flat. More amount of thermal compund should provide good contact and fill space between heatpipes. Or you can put paste directly on heatpipes.

[hoax]

this post might help you out as far as TIM application goes

http://www.xtremesystems.org/Forums/showpost.php?p=3409285&postcount=17

g/l :up:

[demonkevy666]

I do think it could use a shine
not a lapping.

[T3H_SCORCH_XP]

the reason i went with amd, half the price, first build 1k, this one 500

i did a quick lap on the sunbeam (8mm pipes) and i found 4 high spots

used 800, then 1000, then 1500, i didnt do much lapping with it because it does take off alot of copper

i lapped the amd, the thing is though, i went on first 600 grit up and down 10 times, rotate 90, then 10 again until i did a full turn, then i did that 20 times, then on the 800, i did it like 60 times, then on the 10k did it like 30-40 times then on the 1500 did it like 20 times

it still has the coating on top in the middle, is that a problem, like i think its flat, when ever on the 1k or 1.5k i would have to rotate, it stuck and when i place it on the class and lift it up, u can feel it stick, and when i lift it with the cpu, it would come up with it (have a small vid)

i have pics at homw to show what i mean

all i want to know about the cpu, is that ok?

[zsamz_]

well i lapped my xigmatek 1283 cause the heatpipes were not toucking the cpu base
i was carefull not to go too far
amazing results gotta say

[nefariouscaine]

I did some minor polishing on mine using baking soda, water, and a piece of glass (same one i use to lap with)

It did look like there are some "holes" that lapping aren't going to fix - this is why they suggest to use more TIM - for me I've decided to use a modified approach - I put a dot in the center and 2 thin lines on the sides - I've done this application a few times and it seems to put a pretty even spread and fills i the gaps there