Notices
Wheels & Tires 350Z Rollers and Rubbers

Maxxis Victra RC-1 track tire review

Thread Tools
 
Search this Thread
 
Old 09-25-2014, 03:58 PM
  #1  
scotts300
350Z-holic
Thread Starter
iTrader: (46)
 
scotts300's Avatar
 
Join Date: Aug 2003
Location: Away
Posts: 8,193
Received 7 Likes on 6 Posts
Default Maxxis Victra RC-1 track tire review

Fellow Track Z-ers!

For those of you that don’t know me, I’m a forum moderator here as well as a track rat that also raced SpecZ with NASA in 2012 and 2013. Historically, I’ve instructed with various groups, but over the past 2 years I’ve instructed, driven, and taken part in SpeedSF’s (www.speedsf.com) Time Attack Series in my 350Z.

I'm long overdue on the feedback I promised to give to you on the new RC-1 tire from Maxxis (http://www.maxxis.com/catalog/tire-450-107-victra-rc-1). Maxxis has been in the tire business a long time, but only more recently have they delved into the competition tire series with the new RC-1 tire. It's offered in select sizes in 15, 17, and 18" diameters, and one I particularly like for us in the Z is the 275/35/18. I mounted them on 9.5" +15 Enkei RPF1 wheels, but with their huge 11.2" section width, I think I'd like them even more on a 10 or 10.5" tire.

Here are the tires as I received them, headed to Vex Motorsports for mounting and balancing:



And here they are all mounted up on the 9.5” RPF1s:



These tires are new at 6/32" depth and have a Tread Wear Rating (TWR) of 100, so they are a good target for the Nitto NT01 and Toyo R888 / RA1 tires. The shoulders are rounded nicely, so they are easy to stuff under the fenders of our Zs. The R888s come new at just over 6/32”, and the section width is 11.0”. The RA1 comes (when unshaven) at 8/32”, with a section width of 10.9”. Lastly, the Nitto NT01 in this size is also just over 6/32” of depth, and has a section width of 10.9”. The take away here is that the RC1 is wider by about ¼” compared to the 3 most popular competition tires in this size. I like that! Also note the tread patterns. The RC-1 has two circumferential grooves like a Hoosier tire, so that’s more tire surface area than the other 3 as well. They are also cheaper than each of these tires – always a plus!

RC-1


RA1


R888


NT01


I've delayed in giving my feedback as I really wanted to do a side-by-side comparison of the RC-1 with one of the tires listed above, but in lieu of waiting longer for my overall review, I'll provide the feedback I have so far and will update when I'm able to do a more direct comparison (likely at Laguna Seca in November). And since everyone will ask for comparison in times, I’ve collected what I have that makes sense to share so you can get an overall idea of how they actually perform on the track.

My Z is an authentic 2007 NISMO with full interior minus spare tire removal. I weighed it before my first event with the RC-1 tires, and it was 3140# with ½ of a tank of gas in it. The suspension is KW Clubsports, stock Brembo brakes with Raybestos ST pads, and SPL front and rear control arms. The only go-fast modification is a MotorDyne test pipe and mid pipe connected to the stock exhaust.

Z on the scales:





My first event with them was at Buttonwillow in March with SpeedSF. Good news: I noted they only needed 2 or 3 laps at 75% - which I normally do anyway to check out the track and listen for any car problems – to remove the mold release agent, and they began to be sticky. They also didn’t need to be shaven or heat-cycled! UNFORTUNATELY, the clutch slave cylinder (CSC) failed before I could dial in the tire pressures and get a groove with them. . . Z not happy.

Here’s the fluid drooling from the CSC failure:



And here’s the RF tire before heading up to T-hill (after it’s laps at BW, 3 heat cycles):


Note – there were no signs of excessive scrubbing on the shoulders of the tires, nor any dark blue tire discoloration.

We regrouped, replaced the CSC, and headed to Thunderhill in June to run with SpeedSF. The configuration was T-hill west with the cyclone (versus the faster version of T-hill west with the cyclone like NASA usually runs it). I like both configurations, but do prefer driving the cyclone.

T-hill in June is a risk given the heat that comes about during the day, so we went right to the RC-1 for the first session to try and give them a fair test before it got too hot. We were targeting ~34-36psi hot for tire pressure based on our laps at BW a few months before. Our best lap times of the day were in the first two sessions, before the heat really settled in. Now the stiff sidewall was much more noticeable since we were able to drive the car harder than at BW. Driving at the limit felt easy because of the good noise feedback from the tires. I have a lot of experience with take-off Hoosier A/R tires, and these felt similar in grip to me. It’s hard to say if the loss of lap time was from the tires overheating or from the temps affecting engine output, but I’ll guesstimate that it was a combination of the two. Once ambient temps reached over 95-100F (pavement temps are easily 20-30F higher than ambient!), the tires got greasy after just a few laps. Lap times were mostly in the upper 2:04 and 2:05 range, with a best lap of 2:04.5x. Here are some pics from the T-hill west day:









Next up was the SpeedSF event held at Sears Point / Sonoma / Infineon Raceway just this month.

How can one not love the beautiful drive up to Sonoma from the Bay Area?





OK, back on subject. Now the tires had 7 heat cycles on them and I had a good idea of where I liked the tire pressures. I don’t have as much experience with Sears as I do the other tracks, but was still able to pull a fast lap time of 1:54.7x. Long-term grip was better at Sears than at Thunderhill since the ambient temperatures stayed in the 80s for most of the day. Like most tires, using the RC-1 in the excess heat will make the grease and become less stable. Here are a few pictures from the Sears day:





I felt great mechanical grip provided from the RC-1 through the esses all day:



Overall impressions:

My set of RC-1s now have 12 heat cycles on them, and I’m still impressed with their overall mechanical grip. They provide quick & precise turn-in, have a stiff sidewall, and can easily be driven fast due to good tire communication. I am always looking for the Holy Grail of tires, begging for the grip of a Hoosier R, the longevity a BFG R1, at a cost less than them all. I believe the RC1 is a great combination of all of the above. I’ve combed through my own data as well as our “Lap Times DB and Track Videos” thread (https://my350z.com/forum/autocross-r...ck-videos.html) to scour for laps to compare to these. Yes, there are many variables in car, driver, mods, etc., but I wanted to include some of the data for overall comparison. Plus, a lot of these laps were driven by me anyway!

Here’s the summary with an attempt to compare (fast) laps of varying set-ups:

Track: Thunderhill West
Date: 6/7/2014; Driver: scotts300
Best Lap time: 2:04.5 with cyclone
Car: 2007 NISMO 350Z coupe
Tires: Maxxis RC1, 275 square on 9.5" RPF1s
Brakes: OEM Brembo with ST47 / ST43
Other Modifications: KW Clubsports, Wavetrac LSD, Motordyne's ART test pipe and Y-pipe, SPL CAs
Lap Notes (Rain, heat, etc): Dry and HOT!

Track: Thunderhill West
Date: 2013; Driver: scotts300
Best Lap time: 2:01.0 with cyclone
Car: 2003 Performance 350Z coupe
Tires: Hoosier take-off A6 (4 heat cycles), 285 square
Brakes: Stoptech 332mm front kit with PF97, OEM non-Brembo rear with Raybestos ST43
Other Modifications: TCKline DA shocks, NISMO LSD, Hotchkis sways, Intake, Plenum Spacer, Pulleys, Shockwave Exhaust, ART test pipe, ARC-300 wing
Lap Notes (Rain, heat, etc): Dry and cool

Track: Thunderhill West
Date: 5/11/2010; Driver: scotts300
Best Lap time: 2:05.6 with cyclone
Car: 2003 Performance 350Z coupe
Tires: Hoosier take-off R6 (4 heat cycles), 285FR / 295RR
Brakes: Stoptech 332mm front kit with PF97, OEM non-Brembo rear with Raybestos ST43
Other Modifications: TCKline DA shocks, NISMO LSD, Hotchkis sways, Intake, Plenum Spacer, Pulleys, Shockwave Exhaust, ART test pipe
Lap Notes (Rain, heat, etc): Dry and cool

Track: Sears Point (Infineon Raceway), Sonoma, CA
Date: 7 September 2014; Driver: scotts300
Best Lap time: 1:54.7
Car: 2007 NISMO 350Z coupe
Tires: Maxxis RC1, 275 square on 9.5" RPF1s
Brakes: OEM Brembo with ST47 / ST43
Other Modifications: KW Clubsports, Wavetrac LSD, Motordyne's ART test pipe and Y-pipe, SPL CAs
Lap Notes (Rain, heat, etc): Dry and mild

Track: Sears Point (Infineon Raceway), Sonoma, CA
Date: 16 March 2013; Driver: scotts300
Best Lap time: 1:52.3
Car: 2003 SpecZ 350Z coupe
Tires: 275 x 4 BFG R1
Brakes: OEM Brembo with ST47 / ST43
Other Modifications: KW Clubsport DA shocks, NISMO LSD, SpecZ sways,, Shockwave Exhaust, ART pipes, NISMO front fascia and rear wing
Lap Notes (Rain, heat, etc): Dry and cool

Track: Sears Point (Infineon Raceway), Sonoma, CA
Date: 2013; Driver: Pchio
Best Lap time: 1:52.5
Car: 2004 350Z coupe
Tires: 265 x 4 Nitto NT01
Brakes: OEM Brembo with ST43
Other Modifications: KW Clubsport DA shocks, OSG LSD, Hothckiss sway bars, JIC Ti single Exhaust, BC Street cam, PPE Header, custom front splitter, big a$$ rear wing
Lap Notes (Rain, heat, etc): Dry and cool

Track: Sears Point (Infineon Raceway), Sonoma, CA
Date: 19 November 2011
Best Lap time: 1:54.3
Car: 2003 Performance 350Z coupe
Tires: 285 x 4 Hoosier A6
Brakes: Stoptech 332mm front kit with Raybestos ST47, Brembo rear with Raybestos ST45
Other Modifications: TCKline DA shocks, NISMO LSD, Hotchkis sways, Intake, Plenum Spacer, Pulleys, Shockwave Exhaust, ART pipes, APR GTC300 wing
Lap Notes (Rain, heat, etc): Dry and cool

!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!
UPDATE with Laguna Seca lapping:
Maxxis RC1 have 20 heat cycles on them now, and they still have excellent grip. Want data? 5 sessions Saturday on NEW 275/35/18 Hankook RS3s with comparison to 15 heat cycled THEN 5 sessions added on Sunday. The used Maxxis were a solid 1s faster than new RS3s.

Date: 8 November 2014
Best Lap time: 1:44.9
Car: 2007 NISMO, partial SpecZ build, 3140# (full interior)
Tires: NEW Hankook RS3, 275/35/18 x 4 on 9.5" square
Brakes: OEM Brembo with ST43/ST45 pads
Other Modifications: KW Clubsport DA coilovers, Wavetrac LSD, SpecZ sways, stock Intake, ART pipes to MD XYZ Y-pipe, oem mid-pipe and muffler
Lap Notes (Rain, heat, etc): Dry

Track: Laguna Seca, Monterey, CA
Date: 9 November 2014
Best Lap time: 1:43.9
Car: 2007 NISMO, partial SpecZ build, 3140# (full interior)
Tires: 15HC Maxxis RC1, 275/35/18 x 4 on 9.5" square
Brakes: OEM Brembo with ST43/ST45 pads
Other Modifications: KW Clubsport DA coilovers, Wavetrac LSD, SpecZ sways, stock Intake, ART pipes to MD XYZ Y-pipe, oem mid-pipe and muffler
Lap Notes (Rain, heat, etc): Dry

Last edited by scotts300; 11-10-2014 at 11:16 AM.
Old 09-26-2014, 12:07 AM
  #2  
terrasmak
Super Moderator
MY350Z.COM
iTrader: (8)
 
terrasmak's Avatar
 
Join Date: Jan 2007
Location: Sin City
Posts: 28,636
Received 2,283 Likes on 1,645 Posts
Default

I think I'm going to try a set when I get back
Old 11-10-2014, 11:16 AM
  #3  
scotts300
350Z-holic
Thread Starter
iTrader: (46)
 
scotts300's Avatar
 
Join Date: Aug 2003
Location: Away
Posts: 8,193
Received 7 Likes on 6 Posts
Default

Updated with Laguna Seca lap times comparison to Hankook RS3
Old 11-10-2014, 01:31 PM
  #4  
3hree5ive0ero
Retired Admin
iTrader: (95)
 
3hree5ive0ero's Avatar
 
Join Date: Dec 2000
Location: Dallas / Chicago
Posts: 1,337,017,813
Received 78 Likes on 50 Posts
Default

Wow, this is a thorough review -- I like!
Old 11-10-2014, 03:01 PM
  #5  
scotts300
350Z-holic
Thread Starter
iTrader: (46)
 
scotts300's Avatar
 
Join Date: Aug 2003
Location: Away
Posts: 8,193
Received 7 Likes on 6 Posts
Default

Originally Posted by 3hree5ive0ero
Wow, this is a thorough review -- I like!
Thank you, Sir!
Old 11-10-2014, 07:03 PM
  #6  
Voboy
New Member
iTrader: (58)
 
Voboy's Avatar
 
Join Date: Feb 2004
Location: Houston, TX
Posts: 2,995
Received 3 Likes on 3 Posts
Default

Version 2 RS3's being 1 second off Maxxis RC1's blows my mind!!! Street tires are up there!
Old 11-11-2014, 09:20 AM
  #7  
terrasmak
Super Moderator
MY350Z.COM
iTrader: (8)
 
terrasmak's Avatar
 
Join Date: Jan 2007
Location: Sin City
Posts: 28,636
Received 2,283 Likes on 1,645 Posts
Default

Those need to be mounted on wider wheels for testing
Old 11-11-2014, 10:05 AM
  #8  
03threefiftyz
350Z-holic
iTrader: (25)
 
03threefiftyz's Avatar
 
Join Date: Aug 2007
Location: Frederick, MD
Posts: 9,848
Received 117 Likes on 63 Posts
Default

Agree I think the better test would be both a 10.5" wheel....
Old 11-11-2014, 10:08 AM
  #9  
scotts300
350Z-holic
Thread Starter
iTrader: (46)
 
scotts300's Avatar
 
Join Date: Aug 2003
Location: Away
Posts: 8,193
Received 7 Likes on 6 Posts
Default

Originally Posted by terrasmak
Those need to be mounted on wider wheels for testing
Maybe to be optimal, yes, but MOST Z-ers don't run a 10 or 10.5" square, so we believe the comparison is fair given the use of the target audience.

Maxxis' specs are based on a 9.5" as well, so this was ideal based on their specifications: http://www.maxxis.com/catalog/tire-450-107-victra-rc-1

TireRack also specs the RS3 on a 9.5" wheel on their website, so again it was done this way for comparison and audience.

I agree that faster times would likely be had if these were on wider wheels.
Old 11-11-2014, 06:45 PM
  #10  
trustr888
Registered User
iTrader: (4)
 
trustr888's Avatar
 
Join Date: Jun 2014
Location: ATL, GA
Posts: 355
Likes: 0
Received 2 Likes on 2 Posts
Default

Nice review Scott! Didn't know you had a Nismo. lol Check out the subsection and join the FB group. Anyhow, how much of a difference did you feel with the Nismo compared to your older Z? Did those changes they made to the chassis and the dampers make any difference?
Old 11-11-2014, 06:51 PM
  #11  
trustr888
Registered User
iTrader: (4)
 
trustr888's Avatar
 
Join Date: Jun 2014
Location: ATL, GA
Posts: 355
Likes: 0
Received 2 Likes on 2 Posts
Default

Also Scott, I'm planning on tracking/auto x'ing the car as soon as some events pop up in AZ. Anyhow, any recommendations on wheels? I'm planning on the RPF1's 18's w/10.5 in the rear and 9.5 in the front.
Old 11-12-2014, 07:44 AM
  #12  
scotts300
350Z-holic
Thread Starter
iTrader: (46)
 
scotts300's Avatar
 
Join Date: Aug 2003
Location: Away
Posts: 8,193
Received 7 Likes on 6 Posts
Default

Originally Posted by trustr888
Nice review Scott! Didn't know you had a Nismo. lol Check out the subsection and join the FB group. Anyhow, how much of a difference did you feel with the Nismo compared to your older Z? Did those changes they made to the chassis and the dampers make any difference?
The cars are completely different, unfortunately. I like the rev and power of the HR better, but my DE race car was light, nimble, and very dialed in. I haven't driven the stock NISMO dampers on the track ever, but expect them to fall short in expectation given what I'm used to.

Originally Posted by trustr888
Also Scott, I'm planning on tracking/auto x'ing the car as soon as some events pop up in AZ. Anyhow, any recommendations on wheels? I'm planning on the RPF1's 18's w/10.5 in the rear and 9.5 in the front.
A square set of 10s or 10.5s with 275-285 tires. TireRack has some on clearance, grab those. Let's take any further discussion to PM though so we don't muddy this review thread up please!
Old 11-12-2014, 08:00 AM
  #13  
03threefiftyz
350Z-holic
iTrader: (25)
 
03threefiftyz's Avatar
 
Join Date: Aug 2007
Location: Frederick, MD
Posts: 9,848
Received 117 Likes on 63 Posts
Default

Sort of wish Maxxis would release the RC1 in 275/40/17...
Old 11-12-2014, 09:02 AM
  #14  
dkmura
General & DIY Moderator
MY350Z.COM
iTrader: (64)
 
dkmura's Avatar
 
Join Date: May 2002
Location: Aurora, Colorado
Posts: 8,355
Received 1,290 Likes on 894 Posts
Default

Nice review Scott, but I assume the Hoosier A6/R6 and the BFG R1/R1S are in another league from these tires. Any guestimates of how far off they'd be from the 40 UTOQ tires?
Old 11-12-2014, 10:06 AM
  #15  
03threefiftyz
350Z-holic
iTrader: (25)
 
03threefiftyz's Avatar
 
Join Date: Aug 2007
Location: Frederick, MD
Posts: 9,848
Received 117 Likes on 63 Posts
Default

They're definitely a "tweener" tire....like the RA1/NT01.
Old 11-12-2014, 11:01 AM
  #16  
trustr888
Registered User
iTrader: (4)
 
trustr888's Avatar
 
Join Date: Jun 2014
Location: ATL, GA
Posts: 355
Likes: 0
Received 2 Likes on 2 Posts
Default

Originally Posted by scotts300
The cars are completely different, unfortunately. I like the rev and power of the HR better, but my DE race car was light, nimble, and very dialed in. I haven't driven the stock NISMO dampers on the track ever, but expect them to fall short in expectation given what I'm used to.



A square set of 10s or 10.5s with 275-285 tires. TireRack has some on clearance, grab those. Let's take any further discussion to PM though so we don't muddy this review thread up please!
My bad Scott. Will PM.
Old 11-12-2014, 04:05 PM
  #17  
scotts300
350Z-holic
Thread Starter
iTrader: (46)
 
scotts300's Avatar
 
Join Date: Aug 2003
Location: Away
Posts: 8,193
Received 7 Likes on 6 Posts
Default

Originally Posted by dkmura
Nice review Scott, but I assume the Hoosier A6/R6 and the BFG R1/R1S are in another league from these tires. Any guestimates of how far off they'd be from the 40 UTOQ tires?
I'm 1.5s off my (used take off) Hoho time at Laguna, and 2.5s off my R1 time at Sears Point. I guess I'd call them 2-3s off on a 2min track.
Old 11-12-2014, 04:09 PM
  #18  
superlim9
New Member
 
superlim9's Avatar
 
Join Date: Sep 2011
Location: New England
Posts: 458
Received 194 Likes on 114 Posts
Default

Originally Posted by 03threefiftyz
Sort of wish Maxxis would release the RC1 in 275/40/17...
we deff. Agree on that! might have to go up to 18x10 setup. Great information Scott!
Old 11-12-2014, 04:20 PM
  #19  
guitman32
New Member
iTrader: (15)
 
guitman32's Avatar
 
Join Date: Jul 2005
Location: South FL
Posts: 1,998
Received 108 Likes on 90 Posts
Default

If I am reading it right...slower than NT01 (though two different drivers), but it is definitely faster than the RS3s.

Did running ST43s all around improve anything (or the other way around if that track date was after)?

Seems like a good option, the only benefit the RS3s have is if it rains (last weekend was WET!!!).
Old 11-13-2014, 07:46 AM
  #20  
scotts300
350Z-holic
Thread Starter
iTrader: (46)
 
scotts300's Avatar
 
Join Date: Aug 2003
Location: Away
Posts: 8,193
Received 7 Likes on 6 Posts
Default

Originally Posted by guitman32
If I am reading it right...slower than NT01 (though two different drivers), but it is definitely faster than the RS3s.

Did running ST43s all around improve anything (or the other way around if that track date was after)?

Seems like a good option, the only benefit the RS3s have is if it rains (last weekend was WET!!!).
The NT01 car has a front diffuser and a huge wing, which I believe easily makes the 2s delta you're seeing between his time on NT01 and my time on RC1.

RS3s may be able to extract water better, but around here rain means cool track temps, and RS3s skid all around anyway.


Quick Reply: Maxxis Victra RC-1 track tire review



All times are GMT -8. The time now is 05:47 AM.