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Old 03-24-2008, 04:29 AM   #16
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Thats what I was tryin to remember where it was.. But I think Jr just needs to talk to who he gets the tires from because he doesn't believe people lol. mostly. just try the 26mm rear tire on the front....
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Old 03-24-2008, 04:23 PM   #17
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i have a different question but with the same idea. why do you use foam tires on nitro cars. why not just use rubber tires like the electric guys. i nevr understood why nitro guys used foam.
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Old 03-24-2008, 04:30 PM   #18
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Rubber doesn't give enough traction. And does not consistant thru out the race.
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Old 03-24-2008, 04:49 PM   #19
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Quote:
Originally Posted by lil-bump View Post
Rubber doesn't give enough traction. And does not consistant thru out the race.
And just imangine how the 5min pitstop for fuel which is usually 3-5secs turns into 5mins to let the tire ca glue dry....


Note before I start a whole new topic within a posst the above comment:

"And just imangine how the 5min pitstop for fuel which is usually 3-5secs turns into 5mins to let the tire ca glue dry...."

Was sarcastic...
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Old 03-24-2008, 04:50 PM   #20
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what about rubber quality as some tires are made in Japan,some in the usa and italy who has the best rubber??
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Old 03-24-2008, 05:20 PM   #21
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Originally Posted by aussies1129 View Post
what about rubber quality as some tires are made in Japan,some in the usa and italy who has the best rubber??
cheers
Thats a really good question actually. Each group has its own benefits.. alot has to do with track, temp, grip available, cost, setup, race duration, and driver prefrence.

Its really hard to make blanket statements about tires in the sense that one is always better than another.. the us foam is good for budget racers.. its cheap.. doesn't wear as long..

japan rubber of one variaty works VERY well on carpet rear tires.. the other is good on asphalt but is more expensive.. longer wear however..

GRP (italian rubber) has worked well for me in the past..

Its sorta like the goodyear vs bridgestone debate.. some swear by one and hate the other.. but can't quite quantify the results.. I personally like Jaco (just stay away from their 42 shore rear.. they kinda blow) and GRP(ellegi)
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Old 03-24-2008, 05:28 PM   #22
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first nitro car I ever raced was a serpent impact with rubber tires... shit was hard lol

more grip with foam makes the cars faster midcorner and makes the racing more fun.. that and I never could get the rubber tires to stick to the bead for a 15 min race lol..
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Old 03-24-2008, 07:36 PM   #23
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I Must also add in this,

Each Foam tire company is different as well. I run GQ(ran last year will see this year) they gave me a great deal to run their tires.

GQ tires to me are one of the best if not the best......but.....they take 2-3mins to get up to temp, meaning during testing/practise u have to wait until they come in to get the test results you want. Whats the benefit here, well over a longer main the tires are consistent, they never over heated and wear was predictable and consistent.

JACO foam is great in 30-1min...they get up to temp easy and work well, now that they have fixed their rim/plastic issue they are a great tire, however if over driven in a main longer then 30mins tend to over heat/be unpredictable.

GRP/Arrows(Ellegi) I have alot of experience with and love the foam, they come up to temp fast and stay fairly consistent over 30mins in a main, although "I" found they chunked pretty easy. Either or I dont want to start a controversy or "Another topic within a topic"

All foams are not created equal. It depends really what your LOH stocks or what u prefer. I have come to love the GQ foams persoanlly just gotta really give it hard before the qualifying to get them warmed up and found them amazing for high traction surfaces, but I am sure others have or will experience different results, whether it be driver style or performance.

Here nor there Rubber Nitro 200mm is not the hot class here in the North Americas its all foam, and I find all of them are very comparable. I single handedly back ordered GQ tires in Ontario cause I was winning everything, but everyone that bought them didnt find the same results as me...I think partly didnt listen to the fact it took 2-3mins of hard driving to bring them to temp to get real results, but who knows.

Also another great foam is Kyosho, heard nothing but great things about the foam, and never tried them either.

Dont get me worng everyone, I am NOT sponsored and do not have a set preference on brand, just giving my experience and notes for when trying different foams.
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Old 03-24-2008, 08:11 PM   #24
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JACO foam is great in 30-1min...they get up to temp easy and work well, now that they have fixed their rim/plastic issue they are a great tire, however if over driven in a main longer then 30mins tend to over heat/be unpredictable.

I can say that some of the overheating issues have been fixed.. very stable tires.. these days we also rarely see the benifits of running a set of tires for a full hour.. its usually better to run softer tires and change at the 40 min mark. one thing i like about jaco. is batch to batch they seem very consistent..

Cheers..
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Old 03-24-2008, 08:31 PM   #25
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Quote:
Originally Posted by rx7ttlm View Post
JACO foam is great in 30-1min...they get up to temp easy and work well, now that they have fixed their rim/plastic issue they are a great tire, however if over driven in a main longer then 30mins tend to over heat/be unpredictable.

I can say that some of the overheating issues have been fixed.. very stable tires.. these days we also rarely see the benifits of running a set of tires for a full hour.. its usually better to run softer tires and change at the 40 min mark. one thing i like about jaco. is batch to batch they seem very consistent..

Cheers..

Ohh I believe it JACO is a front runner in foam technology and performance. Dont get me wrong and I will never knock a tire manufactuer. My comments were soley on last year and feedback I got from everyone. Funny enough running at FastCats BackAlley there were so many different foams being run from compounds to companies.

JACO has always been a great foam, only rim plastic in the past hindered performance, but now I know they fixed that, and hey if I can get a great deal from JACO or anything else would love to run their foams, but as I do not generally venture out of the Ontario race scene its hard for anyone to pay attention and luckily GQ did for me, so I have my most experience with this foam now.
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