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-   -   Advantage radials to Bias Plys (https://classracer.com/classforum/showthread.php?t=76663)

Rose Racing 07-07-2020 06:12 PM

Advantage radials to Bias Plys
 
How large is the advantage of a radial to a Bias Ply? I know of all the advantages of a Radial tire but in reality how big is the gap especially on a slow U/SA? I know its rare to see an Auto car with slicks nowadays..... How large is the gap in ET/Speed? Can you still win a National or Division on Bias Plys are they consistent enough to compete at a high level?

Lee Valentine 07-07-2020 06:39 PM

Re: Advantage radials to Bias Plys
 
Worth at least a tenth to twelve hundreds on my N/SA Mustang. I guess a lot would depend on how high air pressure you can get away with in your bias tires.

jmantle 07-07-2020 07:22 PM

Re: Advantage radials to Bias Plys
 
I found about a tenth with a lot of that in the 60'. Also helped reaction times a bit, less wrap up.

Jim Mantle V/SA 6632

Larry Hill 07-07-2020 07:28 PM

Re: Advantage radials to Bias Plys
 
I went 2.43 under with the bias ply slicks and was afraid to run the radial.

Jeff Stout 07-08-2020 12:54 AM

Re: Advantage radials to Bias Plys
 
Had both on U/SA olds wagon. No difference other then the air pressure

Paul Precht 07-08-2020 02:19 AM

Re: Advantage radials to Bias Plys
 
Back to back on my car within 20 minutes at NED, 5 hundredths.

J&S Racing 07-08-2020 05:59 AM

Re: Advantage radials to Bias Plys
 
Not to thread hi jack but any stick guys using radials over slicks?

Larry Hill 07-08-2020 07:04 AM

Re: Advantage radials to Bias Plys
 
We had them on the truck testing and radials were quicker and faster, but only hooked 20% of the time. Maybe with some work it could be a player

james schaechter 07-08-2020 07:08 AM

Re: Advantage radials to Bias Plys
 
Quote:

Originally Posted by J&S Racing (Post 618074)
Not to thread hi jack but any stick guys using radials over slicks?

We put them on a friends P/Stick car years ago and they were awesome!

Tried them on our Nova off and on. Never figured out how to consistently hook. Encouraging but in hot track conditions we didn’t have it figured out.

Someday maybe we will. Interesting idea.

There is an A/Stick car running them all of the time. Not sure if you can say it is quicker ,but credit to him for getting the car down the track most of the time.

Adger Smith 07-09-2020 01:29 AM

Re: Advantage radials to Bias Plys
 
The more time your car spends on the track the more they are worth.


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