[RWebb]

Originally Posted by Gemballa2006

My opinion is with that mileage do them both, the bottom costs very little in relation to the top, and whats the worst that can happen, you do it and it didn't need to done, big deal your out a few bucks but have piece of mind, on the other hand, you only do the top to realize 5000 miles from now you need to do the bottom, now you are doing it all over again, seems like a watse, I would do it as insurance for the money you are spedning to do the top. I just did this on my 1986 with 140,000 miles. Runs like a champ now, well minus the starting issue, but that was there before, haha.

this makes sense, esp. for DIY - it's just a small bit tricky to get everything laid out; check carefully (maybe do some dry runs); goop it up; and.... before it dries