Long time early 911 guy here wanting to learn more about the 400i. Is there a comprehensive thread here that informs a person new to this model what to look for in a pre-purchase situation and differences between Series I and II cars? I have read through some threads to learn some information, but was wondering if there is one go to spot for all things 400i. Also curious if it is a DIY friendly car? I try to most of the work on my early 911s and would intend to try that on this car too. From what I have read, they appear to be pretty reliable once sorted. As with most things mechanical, they are best driven regularly. Thanks for your input!