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:thehand: I got them put on yesterday in the rear in a 275/40/18, and so far Im not too impressed. Turning seems fine but not as good as the Gs-d3's, however, straightline traction is not very good and wheel hop seems iminent (sp) everytime I shift 1-2. Im not getting the nice "chirp" I grew so fondly of from 2-3 and 3-4. Maybe I need to break them in more?? They have under 300 miles on em. Thanks, and I hope this helps someone in some way.
 

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Discussion Starter #2
what pressure are you 452'ers putting in for daily street driving in the rear, and then what are you putting the rears to at the track/for racing.
 

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2007 Escalade, 2010 CTS V soon... =)
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what pressure are you 452'ers putting in for daily street driving in the rear, and then what are you putting the rears to at the track/for racing.
30psi all around works well for me for the street. I haven't tested it for the track yet but will let you know after 9/1 homestead event. Oh and these tires need a little more time to warm up to get some what sticky.
 

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I have had the FK's for almost 4 months now. I was going to wait a little longer before giving my final judgement, but I will say this: I have run 4 autocrosses on them and I do not think they are quite as good as the F1's. They are close though, but not the same the lateral holding according to the g-meter. With the F1's I would be in the 1.2 range after each run. With the FK's I am 1.1 tops. In the straight line though I love them. Granted I upped to 275's in the rear.... I do get less wheel hop and they hook up great.

Tire presssure I run for racing is 34 front and 31 rear for minimal understeer.
 

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I really like mine and they are wearing nicely relative to the runcraps. I do a lot of highway mines. The sidewalls are not as stiff as the runcraps because they do not have to support the weight of the car with no air in them. You may have more hop because they are gripping better. I went from F1s to RSAs and had a decrease in hop because the tire would slip more instead of gripping and hopping. You may be having the same thing. More grip= more hop.
 

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'04V, '05V, '06SRT8, '10V, '13ZL1, '12 V, '16 Z06 SC757
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I'm loving my 452's. Much better than the F1's in the rain, although not their equal in the twisties. Super quiet vs. ANY other tire. I have to strain to hear them. Tire wear on my last set was incredible. I'd estimate 14,000 to 16,000 miles vs. 8,000 for the F1's. Last but not least was price. $600 delivered vs. $850 for the F1's. :thumbsup:
 

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BLK 05 CTS-V (sold) 92 Widebody NSX (current) Looking for V2
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I enjoy mine but they are all i've been driving on so I have nothing to compare to. Thinking of going with the BFG's next. Went to the track with another V and he didn't have any complaints where i think the falkens could have gripped better. had 31 psi all the way around and they were running at 40 after a few laps.
 

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04 ctsV platinum,maggied,rt cats,headers,corsa,stealth tune
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Mine hook up great!I have no idea why this guys won't.I have the 255's all around
 

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'05 CTS-V
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They have under 300 miles on em.
I would imagine that's the problem right there. The 452s are pretty popular on the forums I go to for my other cars, and the consensus seems to be that they need a good 500-1000mi to really get the mold release compound scrubbed off and be "broken in".
 

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'04 Raven CTS-V
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I've had the FK452s for about 8k and they've been through VIR...love em. Price is great. They are quiet on the roll (though they like to squeal on quick shifts and hard turns). Great traction in dry and wet, track or street. I had heard the FK452s were close to the GSD3s, but 2/3s of the price...so thats some good feedback. I run 33 cold all the way around on street, 33/31 on track.

p.s. I remember they felt pretty slippery when I first got them in the winter. They do need to warm up a little, but in the summer...they are ready to roll. Freaking 102 degrees in Raleigh, NC today....geeeesh.


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