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Jeep Wrangler YJ
YJ General Discussion
Which clutch to choose?
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<blockquote data-quote="machoheadgames" data-source="post: 428707" data-attributes="member: 18789"><p>AX5 is relatively garbage although it can do okay behind a 4 banger if used with the proper fluid and if the axle gearing is low enough for the tires that you aren't hammering on it all the time to get up to speed. AX15 is much better and no, the two use fully different bellhousings so they are not interchangeable. The 2.5L has a GM bellhousing pattern from the old iron duke motors. The 4.0 and 4.2 share the same rounded pattern that that most AMC motors have, including the old CJ and Wagoneer 304, 360, and 401. You can not adapt an AX5 to a 4.0, although you can adapt an AX15 to a 2.5 with an adapter from Advance Adapters, or the Dodge Dakota bellhousing.</p><p></p><p>AX15 will be a good swap, although since you asked about clutches (and even though got your answer), what year AX15 are you going with? I HIGHLY recommend going with an external slave setup if you can. The year AX15 you got will make a big difference on what all you need to get the swap done. If you can answer that, that will help get answers back for pilot bearing, slave cylinders, throwout bearings, etc.</p><p></p><p>Also, measure the pilot tip of the transmission. It will either be 0.59" or 0.75". That will make a difference on what you need too.</p></blockquote><p></p>
[QUOTE="machoheadgames, post: 428707, member: 18789"] AX5 is relatively garbage although it can do okay behind a 4 banger if used with the proper fluid and if the axle gearing is low enough for the tires that you aren't hammering on it all the time to get up to speed. AX15 is much better and no, the two use fully different bellhousings so they are not interchangeable. The 2.5L has a GM bellhousing pattern from the old iron duke motors. The 4.0 and 4.2 share the same rounded pattern that that most AMC motors have, including the old CJ and Wagoneer 304, 360, and 401. You can not adapt an AX5 to a 4.0, although you can adapt an AX15 to a 2.5 with an adapter from Advance Adapters, or the Dodge Dakota bellhousing. AX15 will be a good swap, although since you asked about clutches (and even though got your answer), what year AX15 are you going with? I HIGHLY recommend going with an external slave setup if you can. The year AX15 you got will make a big difference on what all you need to get the swap done. If you can answer that, that will help get answers back for pilot bearing, slave cylinders, throwout bearings, etc. Also, measure the pilot tip of the transmission. It will either be 0.59" or 0.75". That will make a difference on what you need too. [/QUOTE]
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Jeep Wrangler YJ
YJ General Discussion
Which clutch to choose?
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