Re: 15" tires
[Re: kielbasa]
#1519480
10/22/13 02:41 PM
10/22/13 02:41 PM
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Joined: Nov 2004
Posts: 354
kielbasa
enthusiast
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enthusiast
Joined: Nov 2004
Posts: 354
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Re: 15" tires
[Re: kielbasa]
#1519481
10/22/13 02:43 PM
10/22/13 02:43 PM
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Joined: Nov 2004
Posts: 354
kielbasa
enthusiast
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enthusiast
Joined: Nov 2004
Posts: 354
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Re: 15" tires
[Re: Rapom65]
#1519483
10/22/13 04:37 PM
10/22/13 04:37 PM
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Joined: Sep 2007
Posts: 14,889 up yours
Supercuda
About to go away
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About to go away
Joined: Sep 2007
Posts: 14,889
up yours
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ProTrac's are still available new from Coker, if you really want bias plies. I ran ProTrac N50-15's on the back of my 64 300 and ProTracs 245-14's in the front. They wander alot, especially in rutted roads. They hydroplane alot, especially if it's wet out at all. I drove them from San Diego to Memphis and back, plus about 3 more years tooling around. Great looks is about all I would give them. http://www.summitracing.com/parts/cok-72146/overview/
They say there are no such thing as a stupid question. They say there is always the exception that proves the rule. Don't be the exception.
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Re: 15" tires
[Re: Pale_Roader]
#1519484
10/22/13 11:45 PM
10/22/13 11:45 PM
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Joined: Jan 2003
Posts: 5,394 Pikes Peak Country
TC@HP2
master
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master
Joined: Jan 2003
Posts: 5,394
Pikes Peak Country
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Quote:
Or if you know a good carpenter with a good lathe you could make some tires out ov wood?
With all due respect, why is anyone talking about ancient bias-ply tires in a cornering forum? That stuff was less than marginal 40 years ago, let alone how bad it would be, even NOS if you found some today. My 15 year old sun-baked Radial T/A's i use for rollers would work better than an 'I' tread MT or any old bias trash. I had Pro Tracs on my 70 Buick when i was 18 years old and immortal, and even i thought they were scary back then...
Could not the same be said for the carburetor? Yet it is still a cost effective and manageable method of putting power to the ground.
Have you perused the Hoosier catalog anytime lately? It is still 50% bias ply. While they have lost favor on street applications in general, they are still a very viable competition tire. Now, while the main thrust of this topic is for a street car, the OP has 2 sets of the old N50s, so why not indulge the request. I'd put those MT I compounds over even new TAs any day.
Heck, IMO, Bias ply should hold a more prominent place with neophyte handling applications. Their traction circle, sound, and feel could produce very rapid learnings in the unexperienced driver. They have a very linear and wide traction window. By comparison, a radial will have a more narrow range of grip to deal with and a novice may find themselves blowing off the tires more often than not.
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Have you actually tried that 295/50-15 Marauder? I didn't know they came in a 295. Wonder if they'd be as good as say, the old Comp T/A (H-rated). I had those on my A66 Challenger, though they were very small (235 & 255/60-15's) and that car actually did pretty damn well with them. I'd be down for a 295/50-15 version ov those Comp T/A's, or a similar level tire in a Marauder, for the time being anyways. Till i can afford the 18" Forgelines...
No, I have not. I haven't even worn out my SRs yet. I might try them out in the future though. They actually offer a whole host of sizes from 14 to 18. The trick may be finding a distributor who will pick them up for you. This also demonstrates that this is one of the few new carcass designs out there if they have used it in this product line up to those more modern sizes. http://www.maxxis.com/AutomobileLight-Truck/Light-Truck-SUV/MA-S1-Marauder.aspx
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Are there not rain tires in a Goodyear racing tire? The Goodyear racing catalog seems to have a lot ov options, and in wide 15's too... but again, its just too confusing a catalog to figure out.
Then go to these guys. Click the link, open the folder called Cobra Tires and browse. You can ignore the bias plys on this list. http://rogerkrausracing.com/pages/pricing.html
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About grooving a slick... how hokey would that look? Could you dictate the design to any real degree?
Not as hokey as you might think and you can dictate them to a very high degree. Again, at Roger Kraus, click the information link, open the tire grooving tab, view pictures.
Just for grins and for the browsing pleasure of those with more time on their hands;
The official tire for many IMCA racing divisions are found here: http://www.americanraceronline.com/ Many of these stock chassis, bias ply machines will out handle street cars with set ups costing 3-4x as much.
Track tires for a large number of local bullrings are usually acquired here. http://www.towelcityracingtires.com/ They also build treads with camber built into them. Your welcome to beat the retread horse with these guys too. I've used and abused their products for years. I've had more trouble with brand new BFG TAs then TC retreads.
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Re: 15" tires
[Re: kielbasa]
#1519486
10/23/13 10:41 AM
10/23/13 10:41 AM
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Joined: Nov 2004
Posts: 354
kielbasa
enthusiast
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enthusiast
Joined: Nov 2004
Posts: 354
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Re: 15" tires
[Re: kielbasa]
#1519487
10/23/13 10:42 AM
10/23/13 10:42 AM
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Joined: Nov 2004
Posts: 354
kielbasa
enthusiast
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enthusiast
Joined: Nov 2004
Posts: 354
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Re: 15" tires
[Re: TC@HP2]
#1519491
10/24/13 07:52 AM
10/24/13 07:52 AM
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Joined: Jan 2005
Posts: 4,862 the frozen wastes...
Pale_Roader
Swears too much
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Swears too much
Joined: Jan 2005
Posts: 4,862
the frozen wastes...
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Quote:
Could not the same be said for the carburetor? Yet it is still a cost effective and manageable method of putting power to the ground.
Oh not even remotely the same thing. Carbs still rule racing for the most part, but 1960's tire tech aint ruling anything.
Quote:
Have you perused the Hoosier catalog anytime lately? It is still 50% bias ply. While they have lost favor on street applications in general, they are still a very viable competition tire. Now, while the main thrust of this topic is for a street car, the OP has 2 sets of the old N50s, so why not indulge the request. I'd put those MT I compounds over even new TAs any day.
Heck, IMO, Bias ply should hold a more prominent place with neophyte handling applications. Their traction circle, sound, and feel could produce very rapid learnings in the unexperienced driver. They have a very linear and wide traction window. By comparison, a radial will have a more narrow range of grip to deal with and a novice may find themselves blowing off the tires more often than not.
Isn't that kinda like saying that cars should be slow and dangerous so that people can learn to drive better? I'M talking about the best performance for the money here. I dont want a tire to teach me how to drive, i want a tire to keep me out ov the canyon (the actual canyon), or off the guardrail... ie: ahead ov the other guy.
But again, i'm talking about those old styles like ProTrac, or Formula One Super Stocks... that old crap i used in high school (late 80's) because it was the only way to buy a 12" wide tire for $20 (no one else wanted to use them!). I am fully aware that companies are making new design racing tires in bias ply... I'm sure THAT stuff is fine. You are recommending that some guy put 40 year old tires with a durometer rating somewhere in between that ov a forklift tire and a bowling ball on his classic car and try to go fast around corners. Or am i missing something?
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No, I have not. I haven't even worn out my SRs yet. I might try them out in the future though. They actually offer a whole host of sizes from 14 to 18. The trick may be finding a distributor who will pick them up for you. This also demonstrates that this is one of the few new carcass designs out there if they have used it in this product line up to those more modern sizes. http://www.maxxis.com/AutomobileLight-Truck/Light-Truck-SUV/MA-S1-Marauder.aspx
Well now you've got me looking high and low for these things. Not an easy tire to find. No Tire Rack means no cheap shipped prices. I refuse to buy anything from Canada (though a store in town carries them), and even Discount Tire doesn't carry them. Hmmm...
Incidentally, what do you think ov the Marauder's 360 treadwear rating? The old T/A is 400, the KDW's start at 300. Wonder what the old Comp T/A's were... Is that number so important? Many guys say a GOOD tire starts at 200...
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Re: 15" tires
[Re: Rapom65]
#1519492
10/24/13 08:21 AM
10/24/13 08:21 AM
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Joined: Nov 2004
Posts: 354
kielbasa
enthusiast
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Posts: 354
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Quote:
Thanks so much for the pictures and info on your front set up. You have been a great help. Got to take some measurements and crunch a few numbers but it looks like I have my tire issue resolved. Now we can stop discussing plywood disc wheels!!!
I should have mentioned in the one pic with the front tire to fender corner measurement is with the wheel turned that achieves closest proximity to the fender. Let me know if you need more info, measurements, etc. I will say it's been a learning experience trying to get the car the way I want it (and I don't even have the drivetrain installed yet)! Every time I do what seems like a simple mod, turns out to be another adventure. Always seems to be some sort of hiccup (my 15" rallyes not clearing the cordoba calipers is an example, although that one was cheap and easy to fix).....
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Re: 15" tires
[Re: kielbasa]
#1519493
10/24/13 12:12 PM
10/24/13 12:12 PM
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Joined: Jan 2010
Posts: 1,442 NW Chicago suburban area
Mopar Mitch
pro stock
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pro stock
Joined: Jan 2010
Posts: 1,442
NW Chicago suburban area
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Tires of 15" for "competition" desires are very limited as well as sizes are limited. You'd need to look at your chosen club's rules to see what they allow for certain classes. Then, decide if you want them streetable (and to what extent.. daily, wknd, rarely?), or else, trailer them and mount at the track. Hoosier tires are stickiest DOT 15" tires out there, but they truly aren't intended to drive on the street/hwy, though some ppl do just to/from competition events on the wknds.
Mopar Mitch
"Road racers and autocrossers go in deeper and come out harder!"... and rain never stops us from having fun with our cars... in fact, it makes us better drivers!
Check out MOPAR ACTION MAGAZINE, August 2006 issue for feature article and specs on my autocross T/A!
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Re: 15" tires
[Re: Mopar Mitch]
#1519494
10/24/13 02:29 PM
10/24/13 02:29 PM
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Joined: Aug 2013
Posts: 86 Battle Ground, Washington
Rapom65
OP
member
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OP
member
Joined: Aug 2013
Posts: 86
Battle Ground, Washington
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In response to Kielbasa: "I should have mentioned in the one pic with the front tire to fender corner measurement is with the wheel turned that achieves closest proximity to the fender."
That was very good to know, thanks for informing me.
"Let me know if you need more info, measurements, etc."
Thanks for your help, I surely will.
"I will say it's been a learning experience trying to get the car the way I want it (and I don't even have the drivetrain installed yet)! Every time I do what seems like a simple mod, turns out to be another adventure. Always seems to be some sort of hiccup (my 15" rallyes not clearing the cordoba calipers is an example, although that one was cheap and easy to fix)....."
That is hot roding in a nut shell. Change one thing and you'll end up changing ten others!
Let's steer this thread back onto the road. Although I'm a "neyophite" when it comes to road course/autocross/setting up a Mopar for handling I'm hardly new to building high performance muscle cars. The car I'm building now is the 8th build (7 A bodies, 1 E)that I've been heavily involved in, and that doesn't include other makes. This one is focused on optimizing the handling aspects, for highway performance and some "self competition" at the track. I call it my "Old man's hot rod" because it's going to have power steering, power brakes, OD trans, wipers, heater/defroster ect. I'm done with giving up live-ability and comfort for ultimate performance. My original question was to elicit responses from anyone who had experience with the MT SRs tires so I could determine if these were worth the expense vs just getting some cheap azz front tires so I could wear out the two sets of N50s I have sitting on the floor. Do I think the N50s are a performance tire? Hell no, but I have limited funds to allocate to my car so I have to st~r~e~t~c~h every buck to it's limit and use what I currently have on the shelves. Plus I have to finish building the car and need to buy a lot of equipment yet. Why not go 17s +? My axle width necessitates a 3" ish backspace on a 15x10 rim. I could easily fit a 17x11 with a 3.5~4" BS. Are there rims available with those specs, yes. Cheapest ones I'd spend my $ on are $465 each. Add in tires, shipping, mounting & balancing and your in the $3000 range. Chump change to some of you but that's a years worth of scrimping and scraping for me and I suspect a lot of others who frequent this site. I've got no issues using my old crap as it will wear out fast while I spend time testing and tuning the car. By then I will need new tires and hopefully will have the money saved up for those big hoops. I just wish a tire company would make a decent 15" performance tire in the wider widths. I don't really "need" 17" or bigger wheels to get the handling I want but they evidently don't think the economies are there to produce them. Kind of a self fulfilling prophecy, "if you don't build it they wont come". As many people I hear lamenting the lack of 15s I think they would be surprised at the sales.
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Re: 15" tires
[Re: AlexP]
#1519497
10/24/13 10:29 PM
10/24/13 10:29 PM
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Joined: Jan 2003
Posts: 5,394 Pikes Peak Country
TC@HP2
master
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master
Joined: Jan 2003
Posts: 5,394
Pikes Peak Country
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Quote:
A 200-300 treadwear, stiff sidewall 255/50-15 would do everything I need and prevent me from needing a 17 inch wheel.
I'd keep my steelies forever if such a beast existed.
Maybe we petition Blockley Tyre to make 255/50, 275/50 and 295/50 VR 15s. They make some limited 15" VR sizes now and they do say they are open to making other sizes. But after sizing, molds, and exchange rates, they will probably be $300-400 each. http://www.blockleytyre.com/
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