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Re: towing a 1984 cj7 with a dana 300 Tcase
I met a guy in 1992 or so in Gunnison who was towing an Aspen station wagon
with a motor home. The Torqueflite transmission didn't have any provision for flat towing, so the owner just started up the engine and let it idle the whole time. He told me he got 48 mpg on the Aspen towing it this way. Removing the rear drive shaft is also an option to consider if you want to tow the vehicle a real long distance. Earle "Jeff Strickland" <crwlr@verizon.net> wrote in message news:x68%h.316$LJ3.202@trnddc02... > Any gear that keeps the transmission from spinning due to the drag that is > on the output shaft will do, 1st is the gear that most of us use because the > reduction in that gear will preclude anything else from turning. > > Put the tcase in N, as you are doing. The book says to leave the front hubs > unlocked, but it also says that you have to stop when you get gas and allow > the Jeep's motor to run (again, the tcase in in N) to sling oil up onto the > tcase output shaft bearing. If the front hubs are locked while towing, the > rotating front output shaft will turn the tcase internals and throw oil onto > the rear output shaft gear and bearings. > > > > > > <rauch_2@msn.com> wrote in message > news:1178387459.241917.323300@q75g2000hsh.googlegr oups.com... > > ok - I've seen a lot of flat towing a cj7 with a dana. Just wanting to > > confirm if this is ok via the following method. > > Tcase in neutral. Steering wheel un-locked. Front hubs locked. > > Transmission in 1st, although I would like to know why 1st -- seems > > that it would be better to have it in 3rd (in case it somehow jumped > > into gear). In any case, if anyone has any words of wisdom on this, I > > would appreciate it. > > > |
Re: Re: towing a 1984 cj7 with a dana 300 Tcase
"SnoMan" <admin@snoman.com> wrote in message news:03lq33haksr8bi3k3mf38s060m6pvi1jp0@4ax.com... > On Sat, 05 May 2007 23:07:09 GMT, "Jeff Strickland" > <crwlr@verizon.net> wrote: > >>Any gear that keeps the transmission from spinning due to the drag that is >>on the output shaft will do, 1st is the gear that most of us use because >>the >>reduction in that gear will preclude anything else from turning. > > > I think I would use a much taller gear like drive. Drive is not an option in a manual transmission. The correct gear to use is either R or 1. If the vehicle has an automatic, then P is the gear to select. The reason being if > for some strange weird reason it tries to jump into gear going down > the road it would not overspeed the engine or strip out the Tcase > gears as quickly trying to engage because there would be less drag on > it because there would be less engine momentum to over come. Clearly you have no faith in reality. The gears are not going to change from one that is selected to N then to another gear that was not selected. One would not select N for towing because there is drag generated on the transmission output shaft that comes from the tcase (that comes from the spinning tires) and this drag can harm the synchronizers, and then the rest of the transmission. |
Re: Re: towing a 1984 cj7 with a dana 300 Tcase
"SnoMan" <admin@snoman.com> wrote in message news:03lq33haksr8bi3k3mf38s060m6pvi1jp0@4ax.com... > On Sat, 05 May 2007 23:07:09 GMT, "Jeff Strickland" > <crwlr@verizon.net> wrote: > >>Any gear that keeps the transmission from spinning due to the drag that is >>on the output shaft will do, 1st is the gear that most of us use because >>the >>reduction in that gear will preclude anything else from turning. > > > I think I would use a much taller gear like drive. Drive is not an option in a manual transmission. The correct gear to use is either R or 1. If the vehicle has an automatic, then P is the gear to select. The reason being if > for some strange weird reason it tries to jump into gear going down > the road it would not overspeed the engine or strip out the Tcase > gears as quickly trying to engage because there would be less drag on > it because there would be less engine momentum to over come. Clearly you have no faith in reality. The gears are not going to change from one that is selected to N then to another gear that was not selected. One would not select N for towing because there is drag generated on the transmission output shaft that comes from the tcase (that comes from the spinning tires) and this drag can harm the synchronizers, and then the rest of the transmission. |
Re: Re: towing a 1984 cj7 with a dana 300 Tcase
"SnoMan" <admin@snoman.com> wrote in message news:03lq33haksr8bi3k3mf38s060m6pvi1jp0@4ax.com... > On Sat, 05 May 2007 23:07:09 GMT, "Jeff Strickland" > <crwlr@verizon.net> wrote: > >>Any gear that keeps the transmission from spinning due to the drag that is >>on the output shaft will do, 1st is the gear that most of us use because >>the >>reduction in that gear will preclude anything else from turning. > > > I think I would use a much taller gear like drive. Drive is not an option in a manual transmission. The correct gear to use is either R or 1. If the vehicle has an automatic, then P is the gear to select. The reason being if > for some strange weird reason it tries to jump into gear going down > the road it would not overspeed the engine or strip out the Tcase > gears as quickly trying to engage because there would be less drag on > it because there would be less engine momentum to over come. Clearly you have no faith in reality. The gears are not going to change from one that is selected to N then to another gear that was not selected. One would not select N for towing because there is drag generated on the transmission output shaft that comes from the tcase (that comes from the spinning tires) and this drag can harm the synchronizers, and then the rest of the transmission. |
Re: Re: towing a 1984 cj7 with a dana 300 Tcase
"SnoMan" <admin@snoman.com> wrote in message news:03lq33haksr8bi3k3mf38s060m6pvi1jp0@4ax.com... > On Sat, 05 May 2007 23:07:09 GMT, "Jeff Strickland" > <crwlr@verizon.net> wrote: > >>Any gear that keeps the transmission from spinning due to the drag that is >>on the output shaft will do, 1st is the gear that most of us use because >>the >>reduction in that gear will preclude anything else from turning. > > > I think I would use a much taller gear like drive. Drive is not an option in a manual transmission. The correct gear to use is either R or 1. If the vehicle has an automatic, then P is the gear to select. The reason being if > for some strange weird reason it tries to jump into gear going down > the road it would not overspeed the engine or strip out the Tcase > gears as quickly trying to engage because there would be less drag on > it because there would be less engine momentum to over come. Clearly you have no faith in reality. The gears are not going to change from one that is selected to N then to another gear that was not selected. One would not select N for towing because there is drag generated on the transmission output shaft that comes from the tcase (that comes from the spinning tires) and this drag can harm the synchronizers, and then the rest of the transmission. |
Re: Re: Re: towing a 1984 cj7 with a dana 300 Tcase
On Sun, 06 May 2007 14:08:06 GMT, "Jeff Strickland"
<crwlr@verizon.net> wrote: > >Drive is not an option in a manual transmission. The correct gear to use is >either R or 1. There is no reason for this logic at all. I think this started on the fact that you park a stick in R or 1st. I would never tow this way because if as I said before it did engaged for some reason it would blown/destroyt the engine from overspeed in a heart beat at highways speeds if it did not toast Tcase first. Simple physics here, not old wives tales. ----------------- TheSnoMan.com |
Re: Re: Re: towing a 1984 cj7 with a dana 300 Tcase
On Sun, 06 May 2007 14:08:06 GMT, "Jeff Strickland"
<crwlr@verizon.net> wrote: > >Drive is not an option in a manual transmission. The correct gear to use is >either R or 1. There is no reason for this logic at all. I think this started on the fact that you park a stick in R or 1st. I would never tow this way because if as I said before it did engaged for some reason it would blown/destroyt the engine from overspeed in a heart beat at highways speeds if it did not toast Tcase first. Simple physics here, not old wives tales. ----------------- TheSnoMan.com |
Re: Re: Re: towing a 1984 cj7 with a dana 300 Tcase
On Sun, 06 May 2007 14:08:06 GMT, "Jeff Strickland"
<crwlr@verizon.net> wrote: > >Drive is not an option in a manual transmission. The correct gear to use is >either R or 1. There is no reason for this logic at all. I think this started on the fact that you park a stick in R or 1st. I would never tow this way because if as I said before it did engaged for some reason it would blown/destroyt the engine from overspeed in a heart beat at highways speeds if it did not toast Tcase first. Simple physics here, not old wives tales. ----------------- TheSnoMan.com |
Re: Re: Re: towing a 1984 cj7 with a dana 300 Tcase
On Sun, 06 May 2007 14:08:06 GMT, "Jeff Strickland"
<crwlr@verizon.net> wrote: > >Drive is not an option in a manual transmission. The correct gear to use is >either R or 1. There is no reason for this logic at all. I think this started on the fact that you park a stick in R or 1st. I would never tow this way because if as I said before it did engaged for some reason it would blown/destroyt the engine from overspeed in a heart beat at highways speeds if it did not toast Tcase first. Simple physics here, not old wives tales. ----------------- TheSnoMan.com |
Re: Re: towing a 1984 cj7 with a dana 300 Tcase
"Jeff Strickland" <crwlr@verizon.net> wrote in message
news:ajl%h.845$LJ3.843@trnddc02... > > "SnoMan" <admin@snoman.com> wrote in message > news:03lq33haksr8bi3k3mf38s060m6pvi1jp0@4ax.com... > > On Sat, 05 May 2007 23:07:09 GMT, "Jeff Strickland" > > <crwlr@verizon.net> wrote: > > > >>Any gear that keeps the transmission from spinning due to the > >>drag that is on the output shaft will do, 1st is the gear that most > >>of us use because the reduction in that gear will preclude > >>anything else from turning. > > > > > > I think I would use a much taller gear like drive. > > > Drive is not an option in a manual transmission. The correct gear > to use is either R or 1. If the vehicle has an automatic, then P is > the gear to select. > You can tell a lot from the types of slips people make. Like when Clinton did that Oval Office thing or when GW said "won't get fooled again" you knew that that was their normal behavior. I don't believe that SnoMan has ever driven a manual shift vehicle. Cheers, Earle |
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