Personally, I don't like short sidewall tire's on a huge boat like your Galaxie or mine- 60's are as short as I like. Sounds like you're already committed to 8" wide wheels. It's similarly bad to mount a narrow tire on a wide rim. Not good for the looks, the tire sidewall or typical wear of the tread. A 275/60 tire will be more bulged when mounted on the same wheel that is the proper size for a 245/60. The height of your tire should be planned by the profile number as mounted upon a wheel of adequate wheel width for the width aspect. 15 is descriptive of tire bead diameter for wheel fitment. 60 is descriptive of nominal sidewall height on an appropriate bead width rim to keep the sidewall vertical per engineered design. With a small amount like this just set it up where you think it looks best, no reason for concern.įor example (making up a number here while cooking breakfast so additional letters like R are not included) P245/60-15. 70's stinkbug/imitation Pro Stock style, yeah you'd notice, much like a pick up with an empty bed. If you are still concerned after that at worst you can buy two 275's for the rear and then test fit them on the front.Īs far as rake a 1" difference won't be felt vs level except in cornering/drifting extremes I doubt you'll ever put the Galaxie through. Just check full lock in both directions and centered. All you really need is a carpenter square to figure this out on your own. Then use diameter halfed for radius from the center line of the hub. Simply mark the center of the rim and use this as your reference vs section width. Otherwise mock up the wheel on one hub as you have, now level the car setting the hub/rim vertically as at ride height and measure your clearances vs overall section width and diameter. Size limits will have to come from someone more familiar with those cars. I know taste differ widely in this area so any thoughts and pictures are much appreciated.Īs preference I'd lean towards the largest rear tire possible and something a little smaller up front. Or should I just go with four 245's all the way around and be done with it? What is the consensus on rake vs tire size consistency? If the 275's won't work on the front (if I have to use spacers or modify I will use 245's in place of) should I use them on the rear and then use the 245's on front? I figure the pros are that I get an inch more of width of rubber to pavement where it matters and also an inch of additional diameter to help fill out the gigantic wheel wells. Will the 245's appear wide and tall enough to fill out the wheel well and does anyone have pictures of such on 66-68 galaxie for visual perspective? Is anyone running cragarw 15x8s or other similar rims with 4.5 inch backspacing under their 66-68 Galaxie with 275's on all four corners? If so, did you have to modify anything? I personally prefer having the larger of the two on all four corners but don't think the 275's will fit under the front without some spacers - which I want to avoid. There is almost an inch difference in diameter/height, 27 vs 28 between the two. It appears that I have plenty of space in the rear for the wider 275's (tires approximately 10.82 inches wide) vs the 245's (tires approximately 9.64 inches wide). I purchased some Cragar SS, polished Aluminum 15 x 8, direct drill, with 4.5 inch back spacing. As far as raking it goes, is there any mechanical advantage in doing so or is it purely aesthetic? It is a 1968 convertible LTD with a 390 built to obliterate some rubber tree rain forests - hopefully.Īnyhow the dilemma I'm up against is how large can I go, both width and diameter, without modifying the body and should I attempt some rake from front to back. Well there you go, everything you need to know about motorcycle tires conversion charts in one easy lesson.I was hoping to get perspective and advice on tire sizing for my Galaxie build. Motorcycle Off-Road Tire Size Conversion Chart Motorcycle Street Tire Size Conversion Chart There are a number of manufacturers sites which have similar information, but this is as complete as I could get it. Thats why I put together these motorcycle tire conversion charts to make it as easy and as painless as possible. Finding your way around the different motorcycle tires conversion charts is no easy task, but if you want to shop around it is important you know what the conversions between different tires are.
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