Hi Greg. I think I can field this question. Marc nailed it, I think. I think the "going downhill" analog is a good one. The front transmission won't be pushed along the ground as long as it's in drive. It will still be pulling the front of the car, even though the little computer in there will probably wonder why it's so easy. You did hit on a similar problem, though. While I'm driving around with the rear engine off, and the rear transmission in neutral, the bearings in the rear transmission suffer wear. I installed a ATF pump for the rear transmission to hopefully overcome this. There's an alarm right next to my head in the car to warn me of loss of ATF pressure in the rear transmission, so I don't ruin it dragging it on the ground all the time. (but more about that when I update the site) Rick --- In DMCForum@xxxxxxxxxxxxxxx, "timnagin" <timnagin@xxxx> wrote: > Yes, but while traveling down hill in this manner you will have resistance > from the front engine and transmission due to internal friction if the > transmission is not in neutral. My inquiry was in relation to the front > transmission being constantly pushed, while in gear, by the rear engine, > much like you driving down the road with your foot resting on the brake > pedal. The brake pads will wear prematurely as could the internal parts in > the front transmission since there could be a continuous load beyond design > parameters. Something internally could fail at an accelerated rate. > > Not the same as in a four wheel drive or all-wheel drive vehicle where the > front and rear are mechanically coupled by the drive train to do work, > though the Mitsubishi 3000GT VR-4 did suffer from this as well. > > Greg > > > -----Original Message----- > From: Marc Levy [mailto:malevy_nj@xxxx] > Sent: Tuesday, September 23, 2003 11:41 PM > To: DMCForum@xxxxxxxxxxxxxxx > Subject: RE: [DMCForum] Livin' the dream in 11472 > > > What is there to work out??? If your driving down a > hill, the force of the weight of the car and gravity > will cause the car to increase in speed with no > increase in energy output from the engine.. > > When the engine in the back kicks in, the engine in > the front will behave as if it is going down a hill... > Well, a hill the height of Everest going straight > down!! > > > --- timnagin <timnagin@xxxx> wrote: > > >The engines, and therefore wheels, are not > > connected, so there will be no > > >drag or slip. > > > > The engines and transmissions may occupy their own > > space but they are still > > mechanically connected by the over all vehicle as > > one system, so they will > > still have an effect on each other. I am sure Rick > > has worked all of this > > out, but I do wonder how that front transmission > > will work out. > > Yahoo! Groups Sponsor ADVERTISEMENT <http://rd.yahoo.com/M=194081.3897168.5135684.1261774/D=egroupweb/S=170512 6215:HM/A=1706996/R=0/SIG=11p5b9ris/*http://www.ediets.com/start.cfm?code= 30509&media=atkins> click here <http://us.adserver.yahoo.com/l?M=194081.3897168.5135684.1261774/D=egroupm ail/S=:HM/A=1706996/rand=281873468> To unsubscribe from this group, send an email to: DMCForum-unsubscribe@xxxxxxxxxxxxxxx Your use of Yahoo! Groups is subject to the Yahoo! Terms of Service <http://docs.yahoo.com/info/terms/> .
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