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Tech & Fab
Crawl ratios and junk?
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<blockquote data-quote="TacomaJD" data-source="post: 695285" data-attributes="member: 1780"><p>Are they really 40's or are you just calling 39's 40's? <img src="/styles/default/xenforo/smilies2/Oscar.gif" class="smilie" loading="lazy" alt="molaugh" title="Oscar molaugh" data-shortname="molaugh" /></p><p></p><p>I'm all for the lowest gear ratio imagineable. Your engine has plenty power to turn everything, not sure about the trans axle stress issue, but with kids driving, or anybody for that matter, lower gearing especially in a place like Moab will make the rig much more manageable in any sort of technical stuff. </p><p></p><p>I may be looking at something wrong, but you have a t case that is a fuzz lower geared than typical stock low range in say a Toyota truck. Paired with 3.54 gearing in axles, and a 39" tall tire. That sounds like it would be pretty high geared for crawling anything at all. </p><p></p><p>I had a 98 Tacoma, stock chain driven t case, 4:88 gearing in axles, and only 36" tires and it was terrible to manage crawling anything. It had the 2.7 engine which has significantly less hp than your 3800 6 cyl, but my gearing was lower in axles and tires were shorter - aslo reducing final drive ratio. It was the jerkiest thing ever to try to control over obstacles while crawling, and I can't imagine your build for the kids being much different....unless I looked at something wrong in your spec list. I wouldn't think adding 5:38's would make it just rev like hell climbing stuff. Seems like it would be more practical that way, if anything.</p></blockquote><p></p>
[QUOTE="TacomaJD, post: 695285, member: 1780"] Are they really 40's or are you just calling 39's 40's? molaugh I'm all for the lowest gear ratio imagineable. Your engine has plenty power to turn everything, not sure about the trans axle stress issue, but with kids driving, or anybody for that matter, lower gearing especially in a place like Moab will make the rig much more manageable in any sort of technical stuff. I may be looking at something wrong, but you have a t case that is a fuzz lower geared than typical stock low range in say a Toyota truck. Paired with 3.54 gearing in axles, and a 39" tall tire. That sounds like it would be pretty high geared for crawling anything at all. I had a 98 Tacoma, stock chain driven t case, 4:88 gearing in axles, and only 36" tires and it was terrible to manage crawling anything. It had the 2.7 engine which has significantly less hp than your 3800 6 cyl, but my gearing was lower in axles and tires were shorter - aslo reducing final drive ratio. It was the jerkiest thing ever to try to control over obstacles while crawling, and I can't imagine your build for the kids being much different....unless I looked at something wrong in your spec list. I wouldn't think adding 5:38's would make it just rev like hell climbing stuff. Seems like it would be more practical that way, if anything. [/QUOTE]
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