mack31 Posted October 22 Share Posted October 22 I currently have a 6.14 ratio with 11r22.5 with a 707. Am I gaining much by going to 5.13 Quote Link to comment https://www.bigmacktrucks.com/topic/74668-513-vs-614/ Share on other sites More sharing options...
tjc transport Posted October 22 Share Posted October 22 You will gain top speed, but loose pulling power 1 Quote when you are up to your armpits in alligators, it is hard to remember you only came in to drain the swamp.. Link to comment https://www.bigmacktrucks.com/topic/74668-513-vs-614/#findComment-560535 Share on other sites More sharing options...
Vladislav Posted October 22 Share Posted October 22 6.14 : 5.13=1.19. About 20% increase. Notably. If you go 50MPH at certain revs you will go 60MPH than. If only the rig would have power enough to go that fast. As as was stated above you get correspondingly sized drop of pulling torque on the wheels. Quote Никогда не бывает слишком много грузовиков! leversole 11.2012 Link to comment https://www.bigmacktrucks.com/topic/74668-513-vs-614/#findComment-560536 Share on other sites More sharing options...
cruiseliner64 Posted October 22 Share Posted October 22 Something the same thing here.we have 1200R24 tyres on our Cruiseliner but this tyre size is not available here in Ireland.We can,well maybe we can,get 1100R24 tyres would this change things with the gearing/speed??? Paul Quote Link to comment https://www.bigmacktrucks.com/topic/74668-513-vs-614/#findComment-560537 Share on other sites More sharing options...
67RModel Posted October 22 Share Posted October 22 36 minutes ago, cruiseliner64 said: would this change things with the gearing/speed??? Yes. going to a shorter, smaller diameter tire will result in lower top speed and more pulling power at equal rpms. By how much you would need to know the revs/mile of a 1200 tire versus an 1100 series and then run your calculation. That information is published by the tire manufacturers..... 1 Quote Link to comment https://www.bigmacktrucks.com/topic/74668-513-vs-614/#findComment-560540 Share on other sites More sharing options...
mack31 Posted October 22 Author Share Posted October 22 Thank you it’s for an old gas guzzling fire truck. Just trying to get to more shows as we live around a lot of highways. Quote Link to comment https://www.bigmacktrucks.com/topic/74668-513-vs-614/#findComment-560541 Share on other sites More sharing options...
cruiseliner64 Posted October 22 Share Posted October 22 24 minutes ago, 67RModel said: Yes. going to a shorter, smaller diameter tire will result in lower top speed and more pulling power at equal rpms. By how much you would need to know the revs/mile of a 1200 tire versus an 1100 series and then run your calculation. That information is published by the tire manufacturers..... Thanks for that information.we would like to stay with 1200 tyres but the tyre importers say they cant get 1200 tyres but might be able to get 1100s.note the word 'might".....24in rims are rare here so tyres to suit is a problem..... Paul Quote Link to comment https://www.bigmacktrucks.com/topic/74668-513-vs-614/#findComment-560547 Share on other sites More sharing options...
tjc transport Posted October 22 Share Posted October 22 i have not noticed much of a difference between the 1200 and 1100 tires other than weight capacity Quote when you are up to your armpits in alligators, it is hard to remember you only came in to drain the swamp.. Link to comment https://www.bigmacktrucks.com/topic/74668-513-vs-614/#findComment-560549 Share on other sites More sharing options...
cruiseliner64 Posted October 23 Share Posted October 23 12 hours ago, tjc transport said: i have not noticed much of a difference between the 1200 and 1100 tires other than weight capacity Thats good.weight capacity is not an issue as it will be a show truck only.here in Ireland when you regester a vehicle as vintage you are not allowed to carry a load or in the case of a Semi your not allowed to haul a trailer and the tractor must be disabled in such a way as it cant haul a trailer.the usual thing to do is remove the air lines between the tractor/trailer. Paul Quote Link to comment https://www.bigmacktrucks.com/topic/74668-513-vs-614/#findComment-560592 Share on other sites More sharing options...
Vladislav Posted October 25 Share Posted October 25 On 10/22/2024 at 10:07 PM, cruiseliner64 said: Something the same thing here.we have 1200R24 tyres on our Cruiseliner but this tyre size is not available here in Ireland.We can,well maybe we can,get 1100R24 tyres would this change things with the gearing/speed??? Paul You would (very very) doubtly purchase 11.00R24 tyres where you are at. And about anywhere else. That tyre man who offered the option too probably meant 11R24,5 tubeless rubber. On the other hand you will find 12.00R24 tyres in Irealand or in England if look good. They would be China or Turkey made probably but quite useable. 1 Quote Никогда не бывает слишком много грузовиков! leversole 11.2012 Link to comment https://www.bigmacktrucks.com/topic/74668-513-vs-614/#findComment-560792 Share on other sites More sharing options...
cruiseliner64 Posted October 25 Share Posted October 25 Thanks for that Vlad.yeah they came back to me saying tubeless only.the tyres on the truck are fairly good with 6 to 8mm of thread left but the problem is they are over 10 years old.In Ireland tyres over 10 years old must be scrapped.....ill have to keep looking. Paul Quote Link to comment https://www.bigmacktrucks.com/topic/74668-513-vs-614/#findComment-560812 Share on other sites More sharing options...
Vladislav Posted October 27 Share Posted October 27 On 10/26/2024 at 1:15 AM, cruiseliner64 said: Thanks for that Vlad.yeah they came back to me saying tubeless only.the tyres on the truck are fairly good with 6 to 8mm of thread left but the problem is they are over 10 years old.In Ireland tyres over 10 years old must be scrapped.....ill have to keep looking. Paul I bought two sets of new tyres for two of my Macks which are under restoration. I bought both sets in 2012 I made about 2500 km on one of the trucks but the 2nd chassis never catched a road since. A time to swap them out?? Actually and to my understanding that tyre aging "legend" is mostly a legend. Sure supported by tyre producents since they sure are an interested side. As I suppose most worry of a vehicle owner is an old tyre could ocassionally and unexpectedly blow up putting the rig in a ditch or much worse into the opposite lane. Ok, got that. But steadiness of a tyre is predicted by the cord not the rubber. And as I was taught cracks in rubber are crytical because they allow water, sand or other abrasive fractures to reach out the cord. And damage it. And that may cause tyre explosion. So as long as you don't have cracks or cuts deep enough reaching the cord there's nothing to worry about. Ok someone can argue that an old tyre is "dry" being get harder and allowing worse friction to the pavement. Agree, possibly. But first how dry rubber could be after 10 years if not exposed to direct sun every day? And we can easily feel its actual friction capabilities just hitting brakes on both dry and wet asphalt and see the result. Again, I agree we may be not that perfect "feelers" to understand real properties perfect. But is that that really important for a hobby truck you drive ocassionally with well amount of common sence and no rush? A racing car or a motorbike is sure another game with different rules. BTW Michelins on my Honda sport-turer do perfect after 12 years of service. I swap them out when the thread gets to the limit but you easily feel very well how motorbike's rubber "hold" accelerating or braking hard on wet highway in a good rainy storm. Quote Никогда не бывает слишком много грузовиков! leversole 11.2012 Link to comment https://www.bigmacktrucks.com/topic/74668-513-vs-614/#findComment-560901 Share on other sites More sharing options...
cruiseliner64 Posted October 27 Share Posted October 27 I agree with what you say Vlad but the law in Ireland says tyres over 10 years old must be scrapped.now both you and I know the ones on our truck will be perfectly good for a hobby truck..... Paul Quote Link to comment https://www.bigmacktrucks.com/topic/74668-513-vs-614/#findComment-560917 Share on other sites More sharing options...
Brocky Posted October 27 Share Posted October 27 4 minutes ago, cruiseliner64 said: I agree with what you say Vlad but the law in Ireland says tyres over 10 years old must be scrapped.now both you and I know the ones on our truck will be perfectly good for a hobby truck..... Paul Dumb Butt question!!! I realize Ireland is a completely different country, BUT Are there any exceptions for Antique/Historical licenced vehicles??????? Does that law apply to all vehicles????? Obviously it would be impossible to get tires to fit most preWW 2 cars??? 1 Quote Brocky Link to comment https://www.bigmacktrucks.com/topic/74668-513-vs-614/#findComment-560918 Share on other sites More sharing options...
cruiseliner64 Posted October 28 Share Posted October 28 9 hours ago, Brocky said: Dumb Butt question!!! I realize Ireland is a completely different country, BUT Are there any exceptions for Antique/Historical licenced vehicles??????? Does that law apply to all vehicles????? Obviously it would be impossible to get tires to fit most preWW 2 cars??? Yes Brocky it applys to all vehicles.in the case of cars its 6 years for the tyres and trucks its 10 years.There are no exceptions untill the vehicle is 40 years from date of first registration not assembly.Thats my problem with the Cruiseliner.it is a 1982 truck but was not registered untill 1989 so iv to wait untill 2029 to be exempt...large PITA paul 1 Quote Link to comment https://www.bigmacktrucks.com/topic/74668-513-vs-614/#findComment-560931 Share on other sites More sharing options...
Vladislav Posted October 29 Share Posted October 29 On 10/28/2024 at 2:14 AM, cruiseliner64 said: I agree with what you say Vlad but the law in Ireland says tyres over 10 years old must be scrapped.now both you and I know the ones on our truck will be perfectly good for a hobby truck..... Paul Sorry to hear. Of possible options which are seen to me is 12.00R24 tube type tyres made in China (Aeolus, Triangle, West Lake and others) and there were also Bridgestone brand 24's made in Turkey. Google search will help you. I don't know if your country is in EU, if so I'd ask Dutch guys. I know those tyres were avalible to purchase in NL a few years ago, saw them by my eyes. 1 Quote Никогда не бывает слишком много грузовиков! leversole 11.2012 Link to comment https://www.bigmacktrucks.com/topic/74668-513-vs-614/#findComment-561024 Share on other sites More sharing options...
Geoff Weeks Posted October 29 Share Posted October 29 Considering how popular they were in the Middle East and down under, they sure disappeared quickly. Weren't popular outside of the NYC/NJ area in the US, so not surprised they are hard to find here. 1 Quote Link to comment https://www.bigmacktrucks.com/topic/74668-513-vs-614/#findComment-561030 Share on other sites More sharing options...
cruiseliner64 Posted October 29 Share Posted October 29 45 minutes ago, Vladislav said: Sorry to hear. Of possible options which are seen to me is 12.00R24 tube type tyres made in China (Aeolus, Triangle, West Lake and others) and there were also Bridgestone brand 24's made in Turkey. Google search will help you. I don't know if your country is in EU, if so I'd ask Dutch guys. I know those tyres were avalible to purchase in NL a few years ago, saw them by my eyes. Thanks for that Vlad.ill look in to that.Yes we are in the EU.hopefully we get them somewhere. Paul 1 Quote Link to comment https://www.bigmacktrucks.com/topic/74668-513-vs-614/#findComment-561031 Share on other sites More sharing options...
Mean Green Posted October 30 Share Posted October 30 My b 42 had 6.17 gears in it the owner before me put a 673 diesel in it 45 was top speed I found a different rear I think it was 4.56 somewhere around there 55 top speed then I switched out for a modern air ride I’m not sure of the gears in it but it will easily do 65 not even pushing it and all everything is more modern and available Quote If your going to be a bear be a grizzly Link to comment https://www.bigmacktrucks.com/topic/74668-513-vs-614/#findComment-561090 Share on other sites More sharing options...
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