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SpeedWorld NEW SJ'R Sorex pre-mounted Racing tires

SpeedWorld NEW SJ'R Sorex pre-mounted Racing tires

Old 06-18-2009, 11:21 PM
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If the track temp is 110 or above,the 36's work the best!!!I have run them in the morning at our local track with really good results too.Track only 80 degree or so,but with warmers were dialed.I would say get yourself the 28's and 36's because the heat range overlaps between these 2 shores.
Originally Posted by hanulec
for north east outdoor asphalt racing (i.e. not that hot out...) does anyone think there is an advantage to running 32s over 36s?
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Old 06-18-2009, 11:45 PM
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Originally Posted by racenut123
If the track temp is 110 or above,the 36's work the best!!!I have run them in the morning at our local track with really good results too.Track only 80 degree or so,but with warmers were dialed.I would say get yourself the 28's and 36's because the heat range overlaps between these 2 shores.
i've run 28s indoors -- but i didn't think i'd ever run them outdoors. unless we get a quick rain cloud run through the track is at least 100 degrees. at what track temps do you stop running 28s outdoors? what is the wear of 28s like outdoors?
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Old 06-19-2009, 08:09 AM
  #153  
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1st round if in the morning. I say track temp of about 90-95 and then go directly to the 36's afterward.They wear fine as long as you don't run them when its over 95 degrees.

I will say the 36's have got to be the best tire I have used to date.1st couple runs are awesome.But the drop off after that is minimal and not as drastic as other tires on the market.Many locals have run these tires 10-20 runs with strong ,consistent results.The guy who just set our new track record in fast lap and total time was running 36's with more then 10 runs on them.
Originally Posted by hanulec
i've run 28s indoors -- but i didn't think i'd ever run them outdoors. unless we get a quick rain cloud run through the track is at least 100 degrees. at what track temps do you stop running 28s outdoors? what is the wear of 28s like outdoors?
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Old 06-19-2009, 08:40 AM
  #154  
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Originally Posted by racenut123
1st round if in the morning. I say track temp of about 90-95 and then go directly to the 36's afterward.They wear fine as long as you don't run them when its over 95 degrees.

I will say the 36's have got to be the best tire I have used to date.1st couple runs are awesome.But the drop off after that is minimal and not as drastic as other tires on the market.Many locals have run these tires 10-20 runs with strong ,consistent results.The guy who just set our new track record in fast lap and total time was running 36's with more then 10 runs on them.
I agreed the Sorex last ...
but!

Fresh set of Sorex 36 makes my car run FASTER down the straightaway.

I know that sound stupid but thats how i felt every time I mount a new set.
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Old 06-19-2009, 09:17 AM
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Originally Posted by da_John_wee
I agreed the Sorex last ...
but!

Fresh set of Sorex 36 makes my car run FASTER down the straightaway.

I know that sound stupid but thats how i felt every time I mount a new set.
It's all in your mind, John.
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Old 06-19-2009, 09:36 AM
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Old 06-19-2009, 10:11 AM
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Originally Posted by lidebt2
It's all in your mind, John.
Originally Posted by Kwikvdub
dudes

next time somebody peeled you on the straight, instead of swapping to bigger pinion put a new set of Sorex36, you will get your revenge back so quick you will thanks me!

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Old 06-19-2009, 05:56 PM
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Originally Posted by JimmyMac
I would run 36s all year long and 24s on carpet.
Yup...the 36's are almost always faster than the 32's outdoors in my experience.
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Old 06-19-2009, 06:02 PM
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Originally Posted by da_John_wee
I agreed the Sorex last ...
but!

Fresh set of Sorex 36 makes my car run FASTER down the straightaway.

I know that sound stupid but thats how i felt every time I mount a new set.
You are carring much more corner speed with fresher tires..That is gona help down the main straight......

I love the 36's, I dont use any compound or heat and there good any time....

Best tire ever made found here!!
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Old 06-19-2009, 07:03 PM
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I've been saying 36s are the best for years, you guys finally listening to me? hehe Can't wait to try some SJR's next weekend. This weekend I'll run my personal mounted set. Gonna be a hot weekend! 100° air temp!
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Old 06-19-2009, 07:05 PM
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Originally Posted by hanulec
for north east outdoor asphalt racing (i.e. not that hot out...) does anyone think there is an advantage to running 32s over 36s?
Hope this helps a little, the 32R's have a very small window of heat range where they work awesome, like 90 to 115 and they work extremely well in those temps, but when you get out of that window they could get a little loose and that’s running mod with a 4.5 , not stock, on a 160 x 68 track. They might hold up better in Stock than Mod at a higher temp. The bottom line is every track, track size, surface, spray, no spray, driver’s style and humidity plays a little part, but the tires work very close to our recommendations. Just remember sometimes when the car feels too stuck and easy to drive it’s slower and then you put the 36r’s on and it frees up the car and now your 3 tens faster, just never know until you try it.

I would really like all you racers to please give me all the feed back you want and as much as you want about the tires working on your track, surface and condition. I always will listen and make changes if needed to make this SJ-R tires one of the best working tires on the market for you racers. The Sorex tires un-mounted were the most used tires for many years in the WORLD before pre-mounts and now we are back again to try to be on top with our racing pre-mounts that last.


Not everybody is going to like the SJ-R and I know that, but I will convert those that don’t in time, LOL.

Thanks guys. Billy
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Old 06-27-2009, 11:18 AM
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Originally Posted by Steve Weiss
Tried some "home made" versions of these tires in testing this weekend was happy with their performance.

These tires definately did not over-heat while running and I look forward to doing more testing/racing on them!
What insert and wheel did you tried?
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Old 06-27-2009, 11:20 AM
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Do the SJR premounts use Pink or Yellow labeled Sorex tires?
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Old 06-27-2009, 11:31 AM
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Which Sorex inserts are used in SJR premounts?
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Old 06-27-2009, 01:26 PM
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Originally Posted by billythekid
Do the SJR premounts use Pink or Yellow labeled Sorex tires?
Originally Posted by billythekid
Which Sorex inserts are used in SJR premounts?
Here's a good thread with all of the info:

http://www.rctech.net/forum/electric...ing-tires.html
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