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why do imports have expensive timing belts?

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Old 07-04-2006, 04:50 PM
  #31  
Anthony
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Originally Posted by 94tincan
The problem with a chain system is that they can be noisier than belts

i don't know, my 94 honda is noisy (clickedy, clack, especially in cold weather) even with the quiet timing belt. my cars got 133k and never been changed. i'll wait till it self destructs so i can get a new car.
Go drive a 240sx and see how loud their timing chains are and you'll understand that they are severely noisier than belts.
Old 07-04-2006, 05:12 PM
  #32  
98CoupeV6
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Originally Posted by 94tincan
The problem with a chain system is that they can be noisier than belts

i don't know, my 94 honda is noisy (clickedy, clack, especially in cold weather) even with the quiet timing belt. my cars got 133k and never been changed. i'll wait till it self destructs so i can get a new car.
That has nothing to do with the belt itself dumbass.
Old 07-04-2006, 05:35 PM
  #33  
Samson
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me also gots a chain keke
Old 07-04-2006, 05:38 PM
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Originally Posted by Samson
me also gots a chain keke
and a chain water pump drive with a super cheap tensioner on it :thumbup:
Old 07-04-2006, 05:40 PM
  #35  
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Originally Posted by Anthony
Go drive a 240sx and see how loud their timing chains are and you'll understand that they are severely noisier than belts.
That's a roller chain, not a silent chain. So that's probably the noisiest example you could find
Old 07-04-2006, 06:47 PM
  #36  
ItsaHonda
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I had a chain snap on an 84 Deville (w/ HT4100) @ 136k miles. Not the best example to use, but a chain CAN break. I had the car hauled off, I didn't even bother having it repaired. Timing belts are very reliable and the recommended replacement intervals set by the manufacturer are very conservative. So I had to spend a few hundred bucks every 90,000 miles to change the timing belt? Big deal... I spent way more than that replacing alternators, starters, fuel pumps, chasing/repairing electrical gremlins on my older GM vehicles before 100k miles. The only 'problem' really is the interference engine. If the belt snaps while your at 3,000 rpms tooling down the highway, you're likely SOL w/ a trashed engine. But, going back to what I said above, modern timing belts are extremely reliable and I have never had one snap on me... unlike the chain!
Old 07-04-2006, 07:05 PM
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Originally Posted by ItsaHonda
I had a chain snap on an 84 Deville
1984 =/ 2006. They do not break anymore. Ever. It's amazing, really.
Old 07-04-2006, 07:38 PM
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Originally Posted by 98CoupeV6
1984 =/ 2006. They do not break anymore. Ever. It's amazing, really.
are they scheduled to be replaced like belts?
Old 07-04-2006, 07:40 PM
  #39  
Anthony
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Originally Posted by 98CoupeV6
That's a roller chain, not a silent chain. So that's probably the noisiest example you could find
A chain is a chain to me, doesn't matter I have a belt and RWD again h:
Old 07-04-2006, 07:54 PM
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Originally Posted by Samson
are they scheduled to be replaced like belts?
No. Service limit for BorgWarner chains is 0.6% elongation, or how much it stretches out. On a typical BW chain system on a 4 cylinder engine, a 1000 hour test at redline or peak power stretches the chain at about 0.4%. So the chain will probably last longer than the engine. Some engines have less vibrations and thus stretch the chain less (Nissan VQ35), while some have more and stretch the chain more (DaimlerChrysler World Engine 4-cylinder balance shaft drive). And this is on a silent chain, like on your car. Roller chains are noisier but are more durable.

silent chain:



roller chain:




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