I have a 1984 monte carlo that I bought from a dude a couple weeks ago. I noticed that the front of the car seems to dip a little so I called him and told him. He said that he put a 350 in there replacing the original 305. My question is that is a 350 that much heavyer that a 305 to where i have to change the suspension.

 

It's the same engine. The front springs get weak, and they don't sit real high anyways.

 

check out sway bar bushing and swaybar links my link broke on mine and the thing diped id say head to your local autoparts store and get yourself some enegy suspention ones tere cheap and improve it

 

alot and 350 vs 305 weight is minimal couldn't say anymore than a few pounds

 

Weak springs were a very common problem on the 80's rear drive cars, especially the rears, change em up for a new set of Moogs and a new set of shocks and you should be good to go. Check the ball joints etc. while your in there. The 305 and 350 are within a couple of lbs. of each other as stated earlier in the thread.