Jaguar 3.0L vs Mazda 3.0L - Mazda 6 Forums : Mazda 6 Forum / Mazda Atenza Forum
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post #1 of 22 (permalink) Old 03-13-2004, 08:55 AM Thread Starter
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Jaguar 3.0L vs Mazda 3.0L

Any in this community know what elements of the Jaguar 3.0L Duratec give it the increased power over the Mazda6S Duratec?
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post #2 of 22 (permalink) Old 03-13-2004, 09:23 AM
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Replying to Topic 'Jaguar 3.0L vs Mazda 3.0L'

Well, the X-Type is rated at 7 greater and the S-Type at 15 greater. First off, both have greater compression ratios of 10.5:1 compared to our 10:1. The horsepower difference is so small it could be due to any number of little things, but most likely it's just the breathing - intake/exhaust - in addition to the CR increase.

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post #3 of 22 (permalink) Old 03-13-2004, 09:34 AM
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Replying to Topic 'Jaguar 3.0L vs Mazda 3.0L'

Not to mention increased timing, so you gotta run 91+ octain. The heads are designed different too. Plus it wouln't make scense for the Mazda car to outrun the Jag would it :P You could probably get the same amount of HP the Jag has with some simple mods.

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post #4 of 22 (permalink) Old 03-13-2004, 11:36 AM
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Reading Topic: Jaguar 3.0L vs Mazda 3.0L

tune the 6 for 91-93 octane, it will get us right there with the jag.
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post #5 of 22 (permalink) Old 03-13-2004, 12:31 PM
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Reading Topic: Jaguar 3.0L vs Mazda 3.0L

mmarfan - the part about it doesn't make any sense that the Mazda should make any more power over the Jag is not entirely true. Consider that the Licoln LS V-6 makes 232 hp 5 more than the x-tpye yet the Jag costs more, is more prestegious yet offers less from the perspective of performance. It really depends where the OEM places the priority. Mazda did a far more better job of taking a humble duratec engine and breathing a soul into the vehicle for the driving enthusiast and offers better performance than the x-type. Did I mention that Mazda did this for less money (roughly $10K less). Mazda is focused and appears to have found their way back to their nieche. Jaguar is stilll floundering around trying to determine what they are going to be while in the meantime they keep on turning out compromised products that cannot stand on their own two feet with their competion. Even Volvo produces much more gratifying performance vehicles than Jaguar for less money. The S60R base MSRP starts at $36K and offers AWD, 300hp, 6-speed manual, and unparalled levels of safety. A Jag x-type for more money can't event touch it.
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post #6 of 22 (permalink) Old 03-13-2004, 08:47 PM Thread Starter
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Replying to Topic 'Jaguar 3.0L vs Mazda 3.0L'

NoBull6, thanks for the details. I was under the impression (don't know why) that the Jag version was putting out either 240 or 270. Your numbers and the contributing factors make perfect sense.
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post #7 of 22 (permalink) Old 03-13-2004, 09:25 PM
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Reading Topic: Jaguar 3.0L vs Mazda 3.0L

The Lincoln and Jag 3.0s both use a 3-stage intake manifold, ours is a 2-stage. The valves on the L&J 3.0 are also different sized than ours, we have the same sized valves as past 3.0s.

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post #8 of 22 (permalink) Old 03-14-2004, 12:22 AM
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Replying to Topic 'Jaguar 3.0L vs Mazda 3.0L'

yep, I raced one of those. Beat it too:p

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post #9 of 22 (permalink) Old 03-14-2004, 12:55 AM
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Replying to Topic 'Jaguar 3.0L vs Mazda 3.0L'

Quote:
Originally posted by 1hot6


yep, I raced one of those. Beat it too:p
The X-types are heavy weighing about 300 lbs more than the 6s.
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post #10 of 22 (permalink) Old 03-14-2004, 04:06 AM
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Reading Topic: Jaguar 3.0L vs Mazda 3.0L

Well I would swap it out for the new duratec 35 block if it can bolt up to the MZ6s 3.0 heads.

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