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Hello,
I am rebuilding my old 2002 Piston Slapping --Lifters Ticking -- but other that sound 5.3 LM7.
Bigger is better pistons, bearings, a good Cloyes timing set----
So my question is,
Do I need a Timing chain dampener? It did not come with one [ No predrilled bolt holes] and the MELLINGBD410DBRKT with comes with mixed reviews.
I would rather drill and tap the block if----1. I need a dampener and 2. could find out where to drill. Unless eyeballing the location is good enough.
I'd recommend drilling the holes rather than the one that goes to the cam retainer bolts. Eyeballing is accurate enough as far as I can tell. Locate it properly, mark with a punch.
Since I have been piling up parts for a cam swap Ive also been researching these. Ive cammed a few 5.3's over the years and never installed a damper. General consensus I found while searching was its great for manual cars that get auto-crossed. I dont think I am going to mess with putting one in my A4 LS1 when I swap cams/chains.
Thanks RB04AV and 99Silver6.0,
Looks like it is a Definite Maybe.
I can see where there is rapid RPM changes that would cause the chain slack to vibrate out and in where a dampener would help.
I will think it over some more.
I'd recommend drilling the holes rather than the one that goes to the cam retainer bolts. Eyeballing is accurate enough as far as I can tell. Locate it properly, mark with a punch.
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Chain timing dampeners 
