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Thread: Chevy Nova station wagon snowmobile - photos

  1. #1
    Jon
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    Chevy Nova station wagon snowmobile - photos

    Chevy Nova station wagon snowmobile.







    Previously:

    Man gets sucked into snowmobile - video
    '32 Ford custom snowblower

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    carloski (Jan 4, 2022), sak778 (Dec 13, 2020), Seedtick (Dec 24, 2018)

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    Supporting Member Frank S's Avatar
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    Is that a Volkswagen engine powering that nova or a Corvair

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    Doesn`t look like VW..probably Corvair

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    Supporting Member Frank S's Avatar
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    Quote Originally Posted by baja View Post
    Doesn`t look like VW..probably Corvair
    I was thinking Corvair as well looking at the belt configuration leading off at an angle to the left would be in line with the horizontal cooling fan on top of the engine with a series of idler and transition pulleys. but I have been wrong before and it has been 50 years since I've seen a corvair up close.
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    Supporting Member suther51's Avatar
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    Found it on this site with some more pics.
    https://www.novaresource.org/rnrarchives05.htm
    Eric

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    Supporting Member Frank S's Avatar
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    OK, looking closer I can see the valve cover on the rt side and an exhaust manifold on the left.
    Sorry for the confusion but at first glance it looked like the engine was a pancake because it looked like I could see the plug wires going down on both sides. and the 2 exhaust pipes looked like they were exiting out of a rear mounted traverse muffler.
    Also confusing me was why would anyone use either of the under powered engines in such a rig
    on the other forum where they are talking about the nova someone asked why would anyone do that to a nova.
    Well why not do that to a nova its not like there was a shortage of them built.
    Last edited by Frank S; Dec 24, 2018 at 08:59 PM.
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    You will need a heavy snow fall before you can drive it off that container!

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    Trying to remember back, I seem to remember that those early Novas were powered by 6's and small block V-8 engines. I have piloted a number of Arctic Cat snowmobiles in my younger years and one thing I don't buy into is the front skids on that rig. My Cats were mostly wide belt drive machines, adding to their ability to travel through deep snow and fresh powder without bogging down. In comparison, those skids on the front of that Nova body aren't nearly wide enough to do what this guy claims on his eBay ad, 45 mph in 10 FEET of snow?? Plus, please correct me if I'm wrong but isn't that small block 400 in the REAR of the vehicle?? Pointing out toward the BACK bumper??

    I may buy this story if he said he did this in Northern Alaska or over in Greenland or anywhere else where there is an ice pack that will support the weight of that vehicle. Sure, they drive large "Deuce and a half" sized snow machines where the ice pack is sufficient to bear the weight but Utah?? I have skied in Colorado, Northern Arizona, New England, and I spent 3 years in Southern Germany skiing in Innsbruck, Austria and Bavaria in Germany and Northern Switzerland and I know about COLD and I have seen and skied on up to 3' of fresh powder in some of these places and I KNOW that it is difficult to maintain your weight control and balance to a point where you cannot simply "go swish" and head down a deep snow fall with no problems or just skimming on top of the snow.

    OK, I clicked on the link above where suther51 found this "gem" and here is a copy of a partial post on the Reserve Auction on eBay for this abortion:

    "Earlier in the month I came across an eBay.com auction for a 1970 Nova that was converted into a giant monster snowmobile! A truly one-of-a-kind machine that was interesting to look at. The seller/builder was from Cedar City, Utah and said it had over 1000 hours of fabrication into the Nova, modifying everything from the frame up. It had a rebuilt 400 small block and 3 one-ton rear axles.


    The seller claimed it ran and drove great, handled very well and that he had taken it through 10 feet of snow going up to 45 miles an hour. The auction got to $2,225.00 but didn't sell because the reserve was not met. Again, while I would never do this to a Nova, I admire the engineering involved in building such a unique Nova. I would love to see it run in the snow."

    All in all, I call BS on the entire claim, I would bet that, after he spent the 1000 hrs. on stretching the body, upgrading the framework, adding a 400 small block chevy engine, and fabricating both the entire rear end and new drivetrain connections, [how does one connect an engine flywheel area to the differential of at least one of the rear axles? facing backwards??], he found out that there was more to it than he thought so he decided to dump it on eBay and suck some poor schmuck into paying a fortune for it and then getting out of Dodge with the loot!! I could be wrong and I don't pretend to be any kind of auto mechanic, I was a very competent body man when I had my body shop in operation but I hired employees to do what I didn't know how to do. I see absolutely NO wear on anything that powers the machine. I see a little bit of rust on the shallow cleats on the rear belts but those cleats don't look strong enough or deep enough to say that this machine is able to push through 10 FEET snow of any kind at up to 45 mph.

    Even if this guy hooked the drive train up to the front axle in the rear of the vehicle, [the other two behind that are blocked by the engine], he would have to drive it somehow in reverse and I doubt seriously that even a 400 small block or a Chevy big block would push that contraption through a 10 ' snow drift at any speed let alone 45 MPH. I doubt that a small block 400 could reach 45 MPH on dry pavement on a hot dry summer day under perfect road conditions in reverse, on a regular Nova automobile [with wheels!], let alone push through "10 feet of snow". Anybody who has skied in fresh powder or in week old snow in the mountains of Colorado, and probably similar conditions in those same mountains in Utah, can tell you that you have to have some good speed up to get through one foot of powder under the right conditions. This guy is claiming he is pushing a couple thousand pounds riding on skis up front which don't appear to be any wider than 9" or 10" and have almost flat contours on them?? ..... But what do I know about Utah snow??
    Last edited by Clockguy; Dec 25, 2018 at 01:45 PM.

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    Clockguy , some interesting observations. 100% agreement with the front skies. the geometry is all wrong. For one thing the height to length from the steering spindle would allow for the skis to knuckle under the rig once the ski digs in the slightest amount it would become a plow or shovel.
    your comment about the 1 ton rear ends though is an easy enough fix Not all rear ends but some of them you can pull the pumpkin out and flip it over installing the ring gear on the opposite side of the pinion. Many rear engine RV's are set up this way, this will make the rear end turn in the opposite direction. connecting 3 of them together is not so easily done. since with the exception of some of the older military stuff and larger heavy duty rear ends there is no output flange on the back side.
    some ways around that is to machine the shaft out of the pinion gear and make a new through shaft for it this will only work if the pinion gear is mounted far enough below the centerline that a shaft would not interfere with the spider gear assembly. or you could drive a second pinion gear off of the ring gear this would create another problem in efficiency driving a pinion would eat up a lot of horse power. and having to do it twice would mean even more power loss.
    another way would be to make a silent chain gear box to mount on the dif nearest the transmission and the center dif then run the drive shafts over the top this is the most widely accepted way that ^X^ conversions are done
    One more way to do this would be to make the a fore mentioned gear box but by using 1 more gear in the first gear box doing this would reverse the outputs to the input
    As far as the cleats go a lot of the big snowcats hardly have cleats at all more like short ribs But he doesn't have to worry because I don't think that thing will ever climb on top of fresh powder, mostly not because of the tracks but his skis, wet, crusted or packed is different altogether.
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  13. #10
    Supporting Member suther51's Avatar
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    My guess is that there is a married transfercase driving the rear most axle with the rear out put of the t case. That may explain why only 45 mph if it is in low gear in the t case. There would have to be a chain case down to the pinion in put, but not unheard of.
    Eric

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