Answer: git clone git://kernel.ubuntu.com/ubuntu/ubuntu-oneiric.git
works great for ubuntu.
Question: Does lubuntu have such a git server that I can clone from?
Answer: git clone git://kernel.ubuntu.com/ubuntu/ubuntu-oneiric.git
works great for ubuntu.
Question: Does lubuntu have such a git server that I can clone from?
All versions of Ubuntu user the same kernel, the only variation would be kernel "flavors".
Flavors are variations in the kernel .config
https://wiki.ubuntu.com/Kernel/Dev/Flavours
You can view the various config online
http://kernel.ubuntu.com/~kernel-ppa/configs/