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Drag radials?
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DRR Trophy
posted
Hello, would like some first hand information on drag radials. Currently running 32x14-15 bias, car weighs 3000 with driver and runs 6.50. Would radials be a better choice? Thanks
 
Posts: 12 | Location: Southern In. | Registered: February 23, 2011Reply With QuoteReport This Post
DRR Elite
posted Hide Post
Probably not.

1. Not enough info, footbrake or trans brake?
2. Drag radial or radial slicks?
3. What do you hope to gain?
4. What is your home track, whey class do you run and how is the track prep?
5. Do you have good double adjustable shocks front and rear?
 
Posts: 13522 | Location: NJ | Registered: August 20, 2000Reply With QuoteReport This Post
DRR Trophy
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Run S/P, trans brake, run Indy, Edgewater, Ohio valley. trying to get more consistent 60 ft. times. Usually tracks are good but there are times 60 ft will change couple hun. Don't have double adjustable shocks. thanks
 
Posts: 12 | Location: Southern In. | Registered: February 23, 2011Reply With QuoteReport This Post
DRR Elite
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Don’t make the tire change. Do invest in Afco double adjustable shocks. What specific tire, brand, part # and how much air? Ladder bar?
 
Posts: 13522 | Location: NJ | Registered: August 20, 2000Reply With QuoteReport This Post
DRR Trophy
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Mt 3074 32x14-15, normally 8.6 lb. four link. afco single adjustable on rear. thanks
 
Posts: 12 | Location: Southern In. | Registered: February 23, 2011Reply With QuoteReport This Post
DRR Trophy
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Fox body mustang
 
Posts: 12 | Location: Southern In. | Registered: February 23, 2011Reply With QuoteReport This Post
DRR Trophy
Picture of NC3x58
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I run 11-12 psi in my MT 3074 tires, ladder bar car with the bars in the top front hole, 2800 lbs 71 Camaro. Runs 6.40's and 60 foot usually only moves within 1 number between multiple tracks, different days. Powerglide (1.80) and 4.56 gear. It honestly sounds like 8.6 psi is way too low, and being 3000 lbs most people I talk to say thats where a Stiff sidewall can start being used.

With that said, I have been considering trying the new 31/11.5 DBR next season or possibly just switching to the 31/14 D05 Hoosier tire..


Nick Craig

1971 Camaro Split Bumper
376ci LS3
 
Posts: 410 | Location: Ohio | Registered: December 28, 2013Reply With QuoteReport This Post



DRR Elite
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Just for comparisons, my 4 link Firebird below, weighs 3211 lbs. has Afco double adjustable shocks on all four corners, runs 5.60-5.80 depending on weather and track and rolls on Hoosier 31.5/12.5W aired to 12psi, never spins and 60 foots low to mid 1.20s off the trans brake with the wheels in the air for at least 60 feet.

https://www.youtube.com/watch?v=T17hHOSyN8w

https://www.youtube.com/watch?v=1r2EEF-hLI0

Prior to this tire, I ran Hoosier’s 32.5/13.5 radial slick for 10 years on this car.
 
Posts: 13522 | Location: NJ | Registered: August 20, 2000Reply With QuoteReport This Post
DRR S/Pro
Picture of "The Bender"
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Ed, what transmission is in the firebird?


272" Spitzer
540 Chevy
The Blower Shop XR1
FTI XPM Series Converter
FTI Level 6 Powerglide
3.69@199
.916 60'

2017 Bradenton Heads Up Madness
Open Outlaw Champ

2018 PDRA T/D #5
2019 PDRA T/D #2

2020 Retired From T/D Competition....

2020 Bradenton NMCA Hemi Shootout Winner

2021 getting back into bracket racing with a Gen3 Hemi powered 87 Cutlass.
 
Posts: 3100 | Location: Yes | Registered: July 08, 2009Reply With QuoteReport This Post
DRR S/Pro
Picture of Lenny5160
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I’d always skew in favor of radials where possible.

They may not be a bolt-on fix, but once you make your car work on them, it will be much better than what you have now.

I’m running 9” radials and have been down to 1.36 on them running 6.30s. A good friend of mine is going 5.70s in a tube-chassis Vega on the 14” radials and his car has been unbelievable since making the switch.

Both of us are using transbrakes and glides.


Tony Leonard
 
Posts: 3158 | Location: Inver Grove Heights, MN | Registered: March 18, 2004Reply With QuoteReport This Post
DRR Elite
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Glide
 
Posts: 13522 | Location: NJ | Registered: August 20, 2000Reply With QuoteReport This Post
DRR S/Pro
Picture of The Bozman
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get double adjustable shocks first, that will allow you to do what any recommendations you have. Also need to have adjustable in the front as well becasue that is part of the chassis tuning. Don't get into tire conversation as either company will work, just takes something a little different.

where is the 4 link IC and weight percentage, you have plenty of tire and should be dead hooking that car.


Keeping the Socialists and NEO-LIBERALS at bay with FACTS one post at a time !!!

Freedom isn't free !!! Thank a veteran, they will actually appreciate it.
 
Posts: 2498 | Location: Gilmer, Texas | Registered: June 25, 2002Reply With QuoteReport This Post
DRR Elite
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Having bracket raced on radial slicks since 1999 and on 2 cars, having run Hoosier’s 30/10.5 on my stock style suspension Chevelle and their 32/13.5 on my 4 link former super stocker Firebird, I will say that unless your car is amongst the best working super stock cars in the country, you spin the tire as of on ice on junk tracks and you will experience radial wobble on cold tracks and if your car doesn’t touch down square from wheelies. If non of this is a concern then have at it.
 
Posts: 13522 | Location: NJ | Registered: August 20, 2000Reply With QuoteReport This Post
DRR S/Pro
Picture of "The Bender"
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quote:
Originally posted by 1320racer:
Glide


1.80? What rear gear?


272" Spitzer
540 Chevy
The Blower Shop XR1
FTI XPM Series Converter
FTI Level 6 Powerglide
3.69@199
.916 60'

2017 Bradenton Heads Up Madness
Open Outlaw Champ

2018 PDRA T/D #5
2019 PDRA T/D #2

2020 Retired From T/D Competition....

2020 Bradenton NMCA Hemi Shootout Winner

2021 getting back into bracket racing with a Gen3 Hemi powered 87 Cutlass.
 
Posts: 3100 | Location: Yes | Registered: July 08, 2009Reply With QuoteReport This Post



DRR Elite
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1.80/4.86
 
Posts: 13522 | Location: NJ | Registered: August 20, 2000Reply With QuoteReport This Post
DRR Trophy
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Thanks for all the information, Now have a lot to consider.
 
Posts: 12 | Location: Southern In. | Registered: February 23, 2011Reply With QuoteReport This Post
DRR Pro
Picture of fuzzy dice
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I run a car that is 3200 with me in it...it is a 4 link car with a dana 60 and 5:13 gears...I run a glide with 180 straight cuts...I use the same tire as you, the MT 3074...I go to the water box with 12.4 lbs. in them and never spin...I do have AFCO double adjustables out back and AFCO singles up front...try more pressure and shock adjustment...
 
Posts: 1277 | Location: Florida (FL) | Registered: June 06, 2006Reply With QuoteReport This Post
DRR Pro
Picture of Goob
posted Hide Post
Make the change and never look back.
Some adjustments may be necessary, but it's worth it.


"Despite the high cost of living, it remains popular."
Dave Cook
N375
 
Posts: 1654 | Location: Indy | Registered: November 21, 2008Reply With QuoteReport This Post
DRR Sportsman
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I would agree with others that the first change needs to be double adjustable rear shocks. For the money I would suggest afco or JRI sportsman series
 
Posts: 789 | Location: Georgia | Registered: May 09, 2008Reply With QuoteReport This Post
DRR Trophy
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After all the recommendations going to get set of double adjustable rear shocks, have single adjustable front struts. Still curious about radials. Talked to MT tec and they said the 3076R should work fine on decent prepped track. Has anyone had real experience with this tire? thanks
 
Posts: 12 | Location: Southern In. | Registered: February 23, 2011Reply With QuoteReport This Post
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