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07-13-2006, 09:47 PM
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Hummer Guru
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Join Date: Jul 2005
Posts: 4,123
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Re: Crawl Ratio??
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Originally Posted by HummBebe
HA!!!
No correction for Bebe this time
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You got lucky.  
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07-13-2006, 09:48 PM
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Hummer Guru
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Join Date: Jul 2005
Posts: 4,123
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Re: Crawl Ratio??
Thanks for the info F5. It would have been nice if Hummer posted both the manual and auto specs on their site. But I guess that's marketing for you. 
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07-13-2006, 11:26 PM
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Hummer Authority
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Join Date: May 2006
Location: Arvada, CO
Posts: 1,139
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Re: Crawl Ratio??
The torque converter has a multiplier value depending on RPM, but 4x seems high. I have seen numbers between 1.5 and 2 for some auto trannies.
For example, the H1 torque converter ratio is 2.2:1, according to this link http://www.kellyhummer.com/h1.htm
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2007 slate blue 5spd w/ adventure package. Still pretty much stock ... dammit
Last edited by Wisha Haddan H3 : 07-13-2006 at 11:36 PM.
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07-13-2006, 11:54 PM
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Banned
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Join Date: Jan 2003
Posts: 24,247
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Re: Crawl Ratio??
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Originally Posted by Wisha Haddan H3
The torque converter has a multiplier value depending on RPM, but 4x seems high. I have seen numbers between 1.5 and 2 for some auto trannies.
For example, the H1 torque converter ratio is 2.2:1, according to this link http://www.kellyhummer.com/h1.htm |
Ok, so....... |
07-14-2006, 12:13 AM
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Hummer Authority
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Join Date: May 2006
Location: Arvada, CO
Posts: 1,139
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Re: Crawl Ratio??
Does anyone know the multiplier value of the H3's 4L60e? I'm curious about the torque multiplier curve too ... at what RPMs do you get the most out the converter?
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2007 slate blue 5spd w/ adventure package. Still pretty much stock ... dammit
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07-14-2006, 12:29 AM
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Banned
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Join Date: Jan 2003
Posts: 24,247
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Re: Crawl Ratio??
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Originally Posted by Wisha Haddan H3
Does anyone know the multiplier value of the H3's 4L60e? I'm curious about the torque multiplier curve too ... at what RPMs do you get the most out the converter?
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wouldn't a better question be "when does stall occur and lockup occur?" |
07-14-2006, 01:15 AM
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Hummer Guru
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Join Date: Jul 2005
Location: Idaho
Posts: 4,744
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Re: Crawl Ratio??
Every equation I have ever seen for a crawl ratio has never taken into account the torque converter. Reason is it is next to impossible since the converter slips at a different rate at different engine rpms. Therefore, the calculation would be next to impossible. You would have to figure out all the different rpms you would have in a given range.
All crawl ratios are figured without the torque converter taken into account by any manufacturer I have ever seen.
I have seen calculations for the H1, but it also takes into account the wheel multipliers too.
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