Just wait. The coefficient of expansion of the chip package the [probably] aluminum heat sink are very different and will cause the adhesive to fail. How fast it will fail will (days/weeks/months) ...
I have a set of 4 PII Xeon 450/1MB processors that I want to put in my server. However, the attached heatsinks (stock Intel units I believe) are slightly too wide to let me attach the blue IBM clips ...