It sounds like the pinion nut is not tight enough and the pinion is now moving in and out. This will do bad damage to ring and pinion. You will need to replace crush sleeve in rear end now.
It could be an axel bearing but noises have to be heard to be correctly diagnoised.
some times it all depends on where you live other wise i have heard of them costing anywhere from 300 to 800 hundred dollars
i had to have my gaskets replaced ... ive heard the 3100 are known for being made with plastics gaskets ... idk
From Chevy, in the current vette, 427. In the race world, that I have heard of, 511cid.
from what i have heard yes, but you will want to get them cleaned up and inspected. Cheap hp add on.
Not that I have ever heard of sold in the U.S.
Like A Rock
This was caused by a poor connection at the Battery. We disconnected and and reconnected the new battery and everything worked fine.
never heard of a car with 2 thermostats !
I have heard that a timing belt should be replaced at 60,000 miles but I have also heard that if the belt was not replaced at 60,000 that it should be left alone, and I somewhat confirmed it on my Mazda 626, I was passed 60,000 and decided to do a "tune up" where the timing belt needed to be replaced................I'll tell you what it cause a whole bunch of problems that I did not have until I went to medeling with the car!!!!!!
I have never heard of a water host on a car. I have no idea what you are talking about.
The last I heard, no. They did, however, re patent the Chevelle name, though....