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Hey guys, so here's the deal... I've got a 3400 out of a 2002 Olds Alero, it's torn down to the short block right now, and I've order a NA Stage 2 Cam from the store, along with comp springs, retainers, and pushrods (my wallet is hurting). This little beasty is going into my 02 Cavalier 5spd 
So all my valves looked pretty good when I took the heads apart (I'm sending them for a P&P) aside from the normal lip they form from coming in contact with the head all the time.
Anyways, I was planning on having them shot peened, and grinding them anyways (most of my shop labour is free, my best friend rebuilt airplane engines for many years) but is reusing valves on these motors a giant no no? Should I change them all? Or at least change the exhaust valves? Motor had about 140KM on it when I took it apart. Money is also starting to get tight, because I'm only a college student, lol.
Thanks in advance guys!
So all my valves looked pretty good when I took the heads apart (I'm sending them for a P&P) aside from the normal lip they form from coming in contact with the head all the time.
Anyways, I was planning on having them shot peened, and grinding them anyways (most of my shop labour is free, my best friend rebuilt airplane engines for many years) but is reusing valves on these motors a giant no no? Should I change them all? Or at least change the exhaust valves? Motor had about 140KM on it when I took it apart. Money is also starting to get tight, because I'm only a college student, lol.
Thanks in advance guys!
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