POP goes the timing belt.

"Saracen" (manualdoucheelitist) 07/13/2015 at 16:13 • Filed to: None

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HammerheadFistpunch > Saracen 07/13/2015 at 16:18

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I can’t tell if I hear vales eating pistons or not.

Saracen > HammerheadFistpunch 07/13/2015 at 16:22

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That kinda shattering sound immediately following the belt snap. Sure sounded expensive.

DrScientist > HammerheadFistpunch 07/13/2015 at 16:28

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wouldnt this only be the case for an interference engine? which i’m not sure this is?

Iheartmy365kHonda - Car enthusiasts do like FWD > Saracen 07/13/2015 at 16:34

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Timing belt covers were invented for a reason.

HammerheadFistpunch > DrScientist 07/13/2015 at 16:38

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Thats my thinking, I’m too lazy to look up if the 4g63 is an interference engine

JawzX2, Boost Addict. 1.6t, 2.7tt, 4.2t > HammerheadFistpunch 07/13/2015 at 16:42

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the 4g62 is non-interference, all other versions are valve-eaters. /source google

DrScientist > HammerheadFistpunch 07/13/2015 at 16:46

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and why dont they just use chains for pete’s sake.

brianbrannon > DrScientist 07/13/2015 at 17:00

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Why do you think chains don’t break?

Saracen > Iheartmy365kHonda - Car enthusiasts do like FWD 07/13/2015 at 17:03

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There aren’t a whole lot of belt covers designed to be compatible with adjustable cam sprockets, so tuned Evos with such modifications don’t run them.

DrScientist > brianbrannon 07/13/2015 at 17:12

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not saying they don’t. but can you argue that they’re as likely to break as a belt? someone else may have the actual data.

kanadanmajava1 > Saracen 07/13/2015 at 19:29

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I have once witnessed a timing gear getting loose from a crankshaft. The contact between valves and pistons made a really sad sound.

Iheartmy365kHonda - Car enthusiasts do like FWD > Saracen 07/13/2015 at 19:50

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Oh. Well, ugh...

brianbrannon > DrScientist 07/14/2015 at 10:23

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The data from the Acura dealer I wrench at says zero belt failure in the past year but three chains in the past month

DrScientist > brianbrannon 07/14/2015 at 14:06

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no kidding. so is the chain > belt theory just myth? anything specific about those chains?

i’m going to be buying my first car with a timing belt in a few weeks, and it has an interference engine, so i’m a little hyperaware.

Street Surgeon > Saracen 07/14/2015 at 14:35

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Weeeeeeeeeeeeeeeeeeeeeeell, was this a tuning endeavor or just a pull for the people? Once you’re tuned most if not all evos/dsms etc. put the timing cover back on. If they really want to show off those sweet gears they just get a clear Zaklee timing cover.

Street Surgeon > DrScientist 07/14/2015 at 14:37

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Even if it were a non-interference engine, big cams laugh at your “non-interference” motors and promptly turn them into interference models :)