99 grand am v6,interference,or non- interference?
jetta4j
12-01-2009, 08:04 PM
is this an interference motor?v6 99 grand am 3.4 v6
wafrederick
12-01-2009, 10:33 PM
Yes it is an interferance engine.Watch out where you put the push rods in the 3400s including the 3100s.The push rods are two differant lengths,6 long and 6 short and they have to be in the right spot or the valves will bend.
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