DoctorLarry Posted February 19, 2020 Posted February 19, 2020 In looking at some pictures of older NASCAR cars, it looks like the tires are pretty large relative to the wheel openings. When I put the chassis under my Buick Century project, they look small relative to the 1-1 car. Do people prefer 1/24 or 1/25 tires? the 1/24 are larger and appear to be closer to the real thing. The tires in this picture look way larger to me than those in the model kits.
yellowsportwagon Posted February 19, 2020 Posted February 19, 2020 I use amt TBird tires or PPP both 1:25
gks1964 Posted February 19, 2020 Posted February 19, 2020 The 1/24th scale tires seem to fill the wheel wells of the longer wheel base cars better. But I don't know if it's accurate? But I see the same a lot of the time. Gerald
yellowsportwagon Posted February 19, 2020 Posted February 19, 2020 I used Monogram tires on this cause the thing is so huge. But the AMT tires are wider. Wider is better to me
DoctorLarry Posted February 19, 2020 Author Posted February 19, 2020 NASCAR spec, from what I read is a 28/10-15 tire. So in scale it should (roughly) be about 28 mm in diameter by 10 mm wide so I guess I will check when I get home (that is 1/25 scale 1 inch = 25.4 mm). I guess in 1/24 it would be a little larger (1.167 vs 1.12 inch), which is about 29.6 mm.
DoctorLarry Posted February 20, 2020 Author Posted February 20, 2020 I measured a set of T bird 1/25 tires. Height is about 26 mm, which would be two scale inches shorter than NASCAR spec. Width is about 14 mm, which would be (to Tim's point) 4 scale inches wider than spec. So shorter and wider appears to be the order of the day on 1/25. a 1/24 tire is actually pretty spot on. 28 mm tall and 12 mm wide. Still too wide but closer to scale spec height.
DoctorLarry Posted February 20, 2020 Author Posted February 20, 2020 Just Googled "Nascar Tire size". two references had the same 28/10-15 on a 15X9.5 or 10 wheel.
MarkJ Posted February 21, 2020 Posted February 21, 2020 I know if you try to use the ppp goodyear 50's truck tire with 6 lug wheel on a 1/25 scale 57 chevy they look way way too big compared to reference pictures of black widows that ran nascar in 1957. That's why I thought ppp wheels and tires were 1/24 scale. However if you use ppp 60's goodyear or firestone tires with ppp holman and moody wheels they look just fine on 1/25 scale mid 60's Fords, Chevys, Pontiacs, Plymouths or Dodges. JMHO.
Vietnam Vet67 Posted February 22, 2020 Posted February 22, 2020 What I want to know if anyone puts larger tires on the right side of the car than on the left side like today's stock cars??? Now they would be the ultimate modeler!!! See specs below for this weekends race at Las Vegas. Of course on road courses they run the same size tires. Tire Codes: Left-side — D-4842; Right-side — D-4796 Tire Circumference: Left-side — 2,224 mm (87.56 in.); Right-side — 2,252 mm (88.66 in.) Minimum Recommended Inflation: Left Front — 19 psi; Left Rear — 19 psi; Right Front — 52 psi; Right Rear — 48 psi
DoctorLarry Posted February 24, 2020 Author Posted February 24, 2020 2224 mm circumference =27.88 inches diameter, 2252 mm circumference =28.23 diameter. Seem to be near the 28/10-15 spec. Possibly shaved down?
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