How often to replace timing chain? [Archive] - GrandAmGT.com Forum

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tenstrum
10-14-2008, 09:40 AM
I've got 148,000 miles on my GT and the Timing Chain has never been replaced. It's not giving me any problems (that I'm aware of knock on wood), but I'm wondering if I shouldn't replace it anyway.

How hard of a job is it? I'm decently mechanically inclined. My dad and I replaced the LIM without problem although it did take awhile.

cardude007617
10-14-2008, 10:26 AM
as a rule, the 3400s dont really need timing chain work ever

drumking1721
10-14-2008, 03:46 PM
word

AaronGTR
10-14-2008, 06:46 PM
Unless it breaks, or you put in a bigger cam and stiffer valve springs, don't worry about it. :)

zukiracer19
10-14-2008, 06:50 PM
rule you should know is that if its running good i wouldnt even touch it...

stewartfn18
10-14-2008, 08:26 PM
if it ain't broke, don't fix it

cardude007617
10-15-2008, 12:19 AM
so ok, what makes ours last "forever" and a lotta the 4 bangers out there, you hear them having to replace them every 70k or 100k?

stewartfn18
10-15-2008, 02:23 PM
cuz the 3400 is FTWlol

ryanbgb22
10-15-2008, 04:23 PM
for one thing, most 4-bangers use a belt, not a chain.