One more time, Radial vs Bias Ply

John Lang · 06-15-2010, 12:29 PM

As it says above what kind of differance, between Radials, and Bias Ply, all other things being equal ! Same gear, same dia, same weight ,etc ! E.T.,MPH, 60 ft , tire life, etc ? Just a differance of opinion ! Thanks .........John...PP.SS It's a stocker !

72Malibu · 06-15-2010, 08:46 PM

A radial is going to be worth about a tenth, I've never had a bias tire come close to the performance of a radial slick. I get about 100 passes up to 120 passes on a pair of 30x9 Hoosier radial slicks.

rallye bob · 06-17-2010, 05:57 AM

Quote:

Originally Posted by 72Malibu

A radial is going to be worth about a tenth, I've never had a bias tire come close to the performance of a radial slick. I get about 100 passes up to 120 passes on a pair of 30x9 Hoosier radial slicks.

Do you swap your tires from side to side? If so, do you have a set schedule for swapping?
I run the (94") 30X9 Hoosier radial slicks, and can only average 75-90 passes before my 60's start going away. I do swap at about every 25 passes....

Michael Beard · 06-17-2010, 07:28 AM

30" Radial is .12-.13 faster in the 1/4 mile for a similar sized tire, and still a good bit faster than even a 28" bias. I've never rotated mine. Typically run 18psi. 112-115 runs on the M/T 3066R (30x9 radial), been 1.41 60' on cords. 60's are dead-on until 110 runs, then they might blow them off completely, then come right back for a couple runs. I can only remember about 3 runs out of 1,200+ where the tire slipped "just a little". That's why I bracket race on them full time. They print timeslips.

Alan Warman · 06-17-2010, 12:36 PM

I am getting ready to switch over to radials. So which rim width is the best, 8" 9" or 10".

j gardiner · 06-17-2010, 05:23 PM

I was told by the Hoosier tire rep not to switch the tires from side to side because you will lose tire life. I just changed mine after 130 runs and they still had a good bit of dot left in them, and I never switch mine.

Myron Piatek · 06-17-2010, 05:33 PM

I'm gonna have to sit down and count the runs one day, but I swap my Hoosier lightweight radials from side-to-side after every race weekend! I've been happy with the wear and traction. When I didn't swap the slicks often many years ago, it seemed that one side wore a little faster.

67camaroracer · 06-17-2010, 07:49 PM

Have you ever tested ET street radials vs bias ply? Would the tenth gained for having radials pertain to the ET Streets as well?
Not trying to hijack but haven't seen this question asked just yet.

David Vum

06-15-2010, 12:29 PM	#1
John Lang Member Join Date: Oct 2003 Location: Sheboygan Wi Posts: 391 Likes: 0 Liked 6 Times in 2 Posts	One more time, Radial vs Bias Ply As it says above what kind of differance, between Radials, and Bias Ply, all other things being equal ! Same gear, same dia, same weight ,etc ! E.T.,MPH, 60 ft , tire life, etc ? Just a differance of opinion ! Thanks .........John...PP.SS It's a stocker ! __________________ John Lang 365 STK, SS

06-15-2010, 08:46 PM	#2
72Malibu Junior Member Join Date: Nov 2008 Location: Republic,Mo Posts: 93 Likes: 0 Liked 0 Times in 0 Posts	Re: One more time, Radial vs Bias Ply A radial is going to be worth about a tenth, I've never had a bias tire come close to the performance of a radial slick. I get about 100 passes up to 120 passes on a pair of 30x9 Hoosier radial slicks. __________________ * 72 Malibu * 1.329-3.99-6.28@106.71-9.98@131 best 60ft to date-1.2997

06-17-2010, 07:28 AM	#4
Michael Beard VIP Member Join Date: Sep 2002 Location: Columbus, OH Posts: 4,060 Likes: 0 Liked 13 Times in 9 Posts	Re: One more time, Radial vs Bias Ply 30" Radial is .12-.13 faster in the 1/4 mile for a similar sized tire, and still a good bit faster than even a 28" bias. I've never rotated mine. Typically run 18psi. 112-115 runs on the M/T 3066R (30x9 radial), been 1.41 60' on cords. 60's are dead-on until 110 runs, then they might blow them off completely, then come right back for a couple runs. I can only remember about 3 runs out of 1,200+ where the tire slipped "just a little". That's why I bracket race on them full time. They print timeslips. __________________ Michael Beard - NHRA/IHRA 3216 S/SS

06-17-2010, 12:36 PM	#5
Alan Warman Member Join Date: May 2002 Location: San Angelo Tx Posts: 231 Likes: 0 Liked 0 Times in 0 Posts	Re: One more time, Radial vs Bias Ply I am getting ready to switch over to radials. So which rim width is the best, 8" 9" or 10". __________________ Alan Warman STK 4107

06-17-2010, 05:23 PM	#6
j gardiner Member Join Date: Jul 2006 Location: waldorf Posts: 220 Likes: 14 Liked 53 Times in 28 Posts	Re: One more time, Radial vs Bias Ply I was told by the Hoosier tire rep not to switch the tires from side to side because you will lose tire life. I just changed mine after 130 runs and they still had a good bit of dot left in them, and I never switch mine.

06-17-2010, 05:33 PM	#7
Myron Piatek VIP Member Join Date: Nov 2001 Location: Florida Posts: 1,542 Likes: 34 Liked 138 Times in 51 Posts	Re: One more time, Radial vs Bias Ply I'm gonna have to sit down and count the runs one day, but I swap my Hoosier lightweight radials from side-to-side after every race weekend! I've been happy with the wear and traction. When I didn't swap the slicks often many years ago, it seemed that one side wore a little faster.

06-17-2010, 07:49 PM	#8
67camaroracer Junior Member Join Date: Oct 2007 Location: Ct Posts: 32 Likes: 0 Liked 0 Times in 0 Posts	Re: One more time, Radial vs Bias Ply Have you ever tested ET street radials vs bias ply? Would the tenth gained for having radials pertain to the ET Streets as well? Not trying to hijack but haven't seen this question asked just yet. David Vum