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Old 07-22-2014, 06:36 PM
 
Location: Australia
90 posts, read 366,687 times
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Here's a related question. The generation 5 Camry (2002-2006) uses a chain for the 4 Cylinder, but a belt for the V6. Why would Toyota or other manufactures do this?
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Old 07-22-2014, 08:04 PM
 
Location: Baltimore
1,022 posts, read 2,538,827 times
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Quote:
Originally Posted by outback1313 View Post
Here's a related question. The generation 5 Camry (2002-2006) uses a chain for the 4 Cylinder, but a belt for the V6. Why would Toyota or other manufactures do this?
Both Honda and Toyota use timing chains on their 4 cylinder Accords & Camrys, and timing belts on the V6 versions. I think I read somewhere that both manufacturers still use belts on their non-interference engines and chains on the interference ones.
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Old 07-23-2014, 12:15 AM
 
Location: SoCal
1,527 posts, read 4,212,796 times
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One of the reason why many brands went with belts in the 90s was due to gains in NVH, The Lexus LS400 and V6 Camry's all had timing belts. A chain back then probably couldn't meet NVH standards

Today with the advent of the "silent chain" they no longer make noise, though belts are still more refined, weigh less and cause less friction.
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Old 07-23-2014, 12:16 AM
 
Location: SoCal
1,527 posts, read 4,212,796 times
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Quote:
Originally Posted by Professor Griff View Post
Both Honda and Toyota use timing chains on their 4 cylinder Accords & Camrys, and timing belts on the V6 versions. I think I read somewhere that both manufacturers still use belts on their non-interference engines and chains on the interference ones.
Honda still uses belts.

But Toyota no longer uses belts on any of their engines.
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Old 07-23-2014, 06:42 AM
 
865 posts, read 2,147,953 times
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Quote:
Originally Posted by outback1313 View Post
Here's a related question. The generation 5 Camry (2002-2006) uses a chain for the 4 Cylinder, but a belt for the V6. Why would Toyota or other manufactures do this?
Cost savings. That's *ALL* a belt over a chain comes down to. In the end, it hurts the consumer.

It's much cheaper (with the large volume of engines they make) to use a belt on the 6 cylinders than a chain.

An overhead cam V6 or v8 has a large chain or belt. An overhead cam 4 cylinder doesn't have as large of a difference.
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Old 07-23-2014, 06:44 AM
 
865 posts, read 2,147,953 times
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Quote:
Originally Posted by outback1313 View Post
Here's a related question. The generation 5 Camry (2002-2006) uses a chain for the 4 Cylinder, but a belt for the V6. Why would Toyota or other manufactures do this?
Quote:
Originally Posted by P47P47 View Post
Well, the car is a '67 (note wing windows). I think that the air cleaner housing is a '68 or maybe from a '67 California car.
I just remembered the engine. When you posted about the engine, I remembered seeing the OHC I6 ... didn't really pay attention to the car. I was always surprised when I saw a 6 cylinder in something. Seems like 90% of the cars there had a small block swapped in.

Now, the land yacht Continentals, ElDorados and Toronados ... those got my attention.
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Old 07-23-2014, 06:49 AM
 
Location: Cypress, TX
1,986 posts, read 3,484,047 times
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I just bought my first new vehicle with a timing belt. It's supposed to be changed at 105,000 miles. Since I keep my vehicles 10-12 years I'll most likely have to change it exactly once. I'm not too concerned about it. Is it really an issue for people?
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Old 07-23-2014, 06:57 AM
 
5,718 posts, read 7,211,679 times
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Quote:
Originally Posted by Miller88 View Post
I just remembered the engine. When you posted about the engine, I remembered seeing the OHC I6 ... didn't really pay attention to the car. I was always surprised when I saw a 6 cylinder in something. Seems like 90% of the cars there had a small block swapped in.

Now, the land yacht Continentals, ElDorados and Toronados ... those got my attention.

Here's a really good article about the Pontiac OHC6:


Pontiac's Fantastic Six

Note that it mentions that the use of the timing belt was prompted by its use in supercharger drives, and that testing and subsequent use proved it to be reliable.



Several times, people would see my Firebird in the driveway and knock on my door to ask if it was for sale. Most of the time, as I'd be starting to ask how much they'd offer for it, they'd say, "I got a small-block Chevy I want to put in it."

That's when I'd say, "It's not for sale."


I like El Dorados and particularly Toronados. One time at Carlisle, I was really tempted to buy a '67 El Dorado, but single-digit MPG kept me away.
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Old 07-23-2014, 07:37 AM
 
865 posts, read 2,147,953 times
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Growing up our family cars were a 1978 Toronado 455 and a Jeep CJ-7. The toronado had a lifetime MPG of 9.

VERY comfortable car though.
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Old 07-23-2014, 10:59 AM
 
5,718 posts, read 7,211,679 times
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A '78 Toronado still had the 455? I thought they had gone to the smaller engine by then. I bet that WAS a gas hog. Premium fuel, too.

I thought the '67 was the best year for both El Dorado and Toronado. 1967 was a really good year for cars in general.
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