CLASS RACER FORUM - View Single Post - Radial Slick Top End wig-wag Condition

CCRT · 05-15-2007, 09:12 AM

Thanks for all the good info here.

We have absolutely no issues at speeds less than 135.

M/T tech stated it could be the Radial rear vs. Bias fronts that are causing the issue. They suggested going down on the pressure of my front tires. (Currently 40-38 psi). They also suggested looking at their S/R series front radials. When I checked out the specs I found they are only rated for 130 mph.

I?m beginning to think that it?s all sidewall related.

Some of the faster cars (160 mph plus) run the ET Street Radials but a set would be 30 lbs heavier. I don?t think they have issues because of the beefier sidewall in the DOT tire.

I?ll try going up on the pressure but unless the track is optimum it could cause a lot of inconsistencies at launch.

--Dave

1967 Camaro, Street Legal, Naturally Aspirated 406 SBC, 3400#, 9" tires 10.03 @ 132.48 1.40 60' Through the exhaust & Foot-Brakin'
9.07@147 with a little juice :-)
http://home.comcast.net/~ccrt-racing/ccrt.htm
CCRT
--Dave

05-15-2007, 09:12 AM	#9
CCRT Junior Member Join Date: May 2007 Location: Westford, MA Posts: 3 Likes: 0 Liked 0 Times in 0 Posts	Thanks for all the good info here. We have absolutely no issues at speeds less than 135. M/T tech stated it could be the Radial rear vs. Bias fronts that are causing the issue. They suggested going down on the pressure of my front tires. (Currently 40-38 psi). They also suggested looking at their S/R series front radials. When I checked out the specs I found they are only rated for 130 mph. I?m beginning to think that it?s all sidewall related. Some of the faster cars (160 mph plus) run the ET Street Radials but a set would be 30 lbs heavier. I don?t think they have issues because of the beefier sidewall in the DOT tire. I?ll try going up on the pressure but unless the track is optimum it could cause a lot of inconsistencies at launch. --Dave 1967 Camaro, Street Legal, Naturally Aspirated 406 SBC, 3400#, 9" tires 10.03 @ 132.48 1.40 60' Through the exhaust & Foot-Brakin' 9.07@147 with a little juice :-) http://home.comcast.net/~ccrt-racing/ccrt.htm CCRT --Dave