<div style="color:black;font: 10pt arial;">Found the post. https://www.catmbr.org/cat-forum/threads/toploader.4170/ He used the 2.90 1st gear and then used 2.72 rear gears. So, yes, he did get the <span style="font-style: italic;">effect</span> of an overdrive without the final Toploader ratio changing from 1 to 1. Jeep used a Toploader in 1980-86 that had a 3.00 1st gear and rather even spacing. It is known as the T-178. Looked long and hard for one of those and never found it. I believe it was used in the larger pick up they had at the time. Likely not strong enough for a built engine but for a stock to mild engine it accomplished what Malibu Review did and you got an aluminum case too.<br>
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<div style="font-family:arial,helvetica;font-size:10pt;color:black"><font size="2">-----Original Message-----<br>
From: twotigers@verizon.net<br>
To: 'Thomas Witt' <atwittsend@verizon.net>; tigers@autox.team.net<br>
Sent: Fri, Dec 17, 2021 4:17 pm<br>
Subject: RE: [Tigers] fuel milage<br>
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<div class="yiv2112549793MsoNormal">Look up Malibu Revue on the CAT website. He’s done a lot of toploaders with the (IIRC) 2.72 final drive.</div>
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<div class="yiv2112549793MsoNormal"><b>From:</b> Tigers <tigers-bounces@autox.team.net> <b>On Behalf Of </b>Thomas Witt via Tigers<br clear="none"><b>Sent:</b> Friday, December 17, 2021 12:45 PM<br clear="none"><b>To:</b> tigers@autox.team.net<br clear="none"><b>Subject:</b> Re: [Tigers] fuel milage</div>
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<div class="yiv2112549793MsoNormal"><i><span style="font-size:12.0pt;font-family:sans-serif;color:black;">"... substitution of the 4th gear with a 5th gear"</span></i><span style="font-size:10.0pt;font-family:sans-serif;color:black;"></span></div>
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<div class="yiv2112549793MsoNormal"><span style="font-size:12.0pt;font-family:sans-serif;color:black;">Are you speaking of swapping only the Toploader 4th gear to something equal to an overdrive ratio (meaning 5th Gear - like)..., or are you stating to swap the whole Toploader 4 speed for something like a T-5, 5 speed?</span><span style="font-size:10.0pt;font-family:sans-serif;color:black;"></span></div>
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<div style="margin-bottom:12.0pt;" class="yiv2112549793MsoNormal"><span style="font-size:10.0pt;font-family:sans-serif;color:black;">The was an overdrive version of the Toploader that had an overdrive 4th gear. But as this link states it was not a performance transmission. <a rel="nofollow noopener noreferrer" shape="rect" target="_blank" href="http://davidkeetoploaders.com/imposters.htm">http://davidkeetoploaders.com/imposters.htm</a> I believe is was used only in the 77-78 Ford Granada. Frankly I frequented wrecking yards back when they were prevalent (they are virtually non-existent today) and I never recall seeing anything but automatics. There was also the SROD overdrive 4 speed transmission. It has an equally bad reputation and a shifter location issue. Gear spacing was at least one of the problems with these transmissions. So, unless there is some special gear out there from the Toploader vendors the advantage is mileage only and not any reliability or performance driving enhancement.<br clear="none"><br clear="none"></span></div>
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<div style="margin-bottom:12.0pt;" class="yiv2112549793MsoNormal"><span style="font-size:10.0pt;font-family:sans-serif;color:black;">-----Original Message-----<br clear="none">From: Allan Ballard <<a rel="nofollow noopener noreferrer" shape="rect" ymailto="mailto:aballard@ix.netcom.com" target="_blank" href="mailto:aballard@ix.netcom.com">aballard@ix.netcom.com</a>><br clear="none">To: <a rel="nofollow noopener noreferrer" shape="rect" ymailto="mailto:clydemclaughlin@verizon.net" target="_blank" href="mailto:clydemclaughlin@verizon.net">clydemclaughlin@verizon.net</a><br clear="none">Cc: Tiger List List <<a rel="nofollow noopener noreferrer" shape="rect" ymailto="mailto:tigers@autox.team.net" target="_blank" href="mailto:tigers@autox.team.net">tigers@autox.team.net</a>><br clear="none">Sent: Fri, Dec 17, 2021 12:18 pm<br clear="none">Subject: Re: [Tigers] fuel milage</span></div>
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<div class="yiv2112549793MsoNormal"><span style="font-size:10.0pt;font-family:sans-serif;color:black;">I want to thank those who responded as you’ve provided much food for thought. </span></div>
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<div class="yiv2112549793MsoNormal"><span style="font-size:10.0pt;font-family:sans-serif;color:black;">With my engine I’d consider mid-20s MPG to be a victory.</span></div>
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<div class="yiv2112549793MsoNormal"><span style="font-size:10.0pt;font-family:sans-serif;color:black;">One option that hasn’t been chronicled for those with stock 4 speed top loaders is substitution of the 4th gear with a 5th gear.</span></div>
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<div class="yiv2112549793MsoNormal"><span style="font-size:10.0pt;font-family:sans-serif;color:black;">For the open road of course.</span></div>
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<div class="yiv2112549793MsoNormal"><span style="font-size:10.0pt;font-family:sans-serif;color:black;">~Allan Ballard</span></div>
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<div class="yiv2112549793MsoNormal"><span style="font-size:10.0pt;font-family:sans-serif;color:black;">~~Mk1a Tiger</span></div>
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<div class="yiv2112549793MsoNormal"><span style="font-size:10.0pt;font-family:sans-serif;color:black;">~~Series I Alpine </span></div>
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<div style="margin-bottom:12.0pt;" class="yiv2112549793MsoNormal"><span style="font-size:10.0pt;font-family:sans-serif;color:black;"><br clear="none">On Dec 11, 2021, at 2:56 PM, clyde mclaughlin via Tigers <<a rel="nofollow noopener noreferrer" shape="rect" ymailto="mailto:tigers@autox.team.net" target="_blank" href="mailto:tigers@autox.team.net">tigers@autox.team.net</a>> wrote:</span></div>
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<div class="yiv2112549793MsoNormal"><span style="font-size:10.0pt;font-family:sans-serif;color:black;">I need to preface this posting with the idea that everyone will have comments on their personal experiences and ideas about fuel milage. I don't want to start a two week dialog on the subject, but would like to through out a few of my opinions on the subject. First and foremost fuel mileage and rear tire wear has a direct correlation to your right foot! Secondly gearing would be the next most bang for the buck, i.e. stock 2:88's and a 5speed OD transmission, followed with good engine tuning. Tire size that was previously mentioned would be very negligible given the restrictions of tire/rim combinations for our Tigers. I recall in the 50's when the hot dodders were jacking up the rear with spring shackles and other methods, us sports car people laughed and figure they have done it for fuel mileage because now it is going down hill all the time, Ha Ha! I can comment that my car had 3:54 gears with the 4 speed and a k code engine, mileage about as poor as it gets, I currently have 3:07 gears with a 5speed and with 70-75 highway speed I get 23-25mpg. Carb fuel mixture is about 3.5% CO with less than 200HC at idle and runs very well, it will lean out to about 2.5%CO and 150HC at a no load 2000rpm. Forgot to mention I have 13 inch tires, 205/60 rear 185/60 front.</span></div>
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