DR Tire pressure.
2 Attachment(s)
Just curious what everyone recommends for PSI in Drag Radials. Trying to get an idea of what to run on the track, and what's safe for the drive there & back home. I figure probably somewhere between 18-25lbs for the track and probably closer to 30 for the street. What do you guys think?
Hoping to get a chance to run them this weekend. :D 275/40R17 Hoosier DR's. Attachment 18475 Attachment 18476 PS: No, they don't have the M-fire center caps anymore.. Just got a couple of the blank brushed ones from AM. |
i run my nittos at 15 psi before each pass...the tires would jump up to 17 after each pass. i drive with them aired up at 30-32.
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damn how much did those set you back??? and did you go for the 17x9 because of the weight??
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With those tires on that rim I would use 25psi on the way there and start with 22psi at and see how they hook and play with the pressure from there. If they are anything like other 17" drags 18-20psi is the sweet rang for most in that size from what I have seen over the years.
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those tires look badass on the FR5s.
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Originally Posted by mustangV6_04
(Post 405263)
damn how much did those set you back??? and did you go for the 17x9 because of the weight??
Went with the 17/9's because I had two spare FR500's, plus I had no use for anything bigger than a 275.. Anything bigger would have been too much rotating mass & honestly, the 2v isn't putting out enough power to need anything like a full slick a.t.m.
Originally Posted by zigzagg321
(Post 405290)
those tires look badass on the FR5s.
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Originally Posted by WNRacing
(Post 405312)
What do you think about the white letters facing out? I think they're gonna look pretty B.A. on the car. :cool:
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I have hoosier street strips on my 72 cutlass, I run 14.5, but most guys i know that run them at the track do 14.
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Originally Posted by drag_racer33
(Post 405402)
I have hoosier street strips on my 72 cutlass, I run 14.5, but most guys i know that run them at the track do 14.
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Originally Posted by WNRacing
(Post 405312)
They were about $400 shipped from Lethal Performance. :eek:
Went with the 17/9's because I had two spare FR500's, plus I had no use for anything bigger than a 275.. Anything bigger would have been too much rotating mass & honestly, the 2v isn't putting out enough power to need anything like a full slick a.t.m. I know, right!? What do you think about the white letters facing out? I think they're gonna look pretty B.A. on the car. :cool: |
Originally Posted by spike_africa
(Post 405429)
But what size wheel and tire combo are you running?
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28x10.5x15? Cause that's going to use a much different psi then a 17" drag radial. I'm just curious really.
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yea, that is true, but I know a racer with a 07 GTO that uses 14psi and i think those are 18's, i guess it all depends on your traction and roll out needs
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i only run my nittos that low because the sidewalls are stiff as fuck...no folding happens with nittos and if you seen a 315/35 its not exactly a rubber band...i blow the tires anyway on launches of 2k rpms sometimes 2500 these fuckers dont like to stick best 60ft i got so far was a 1.8.
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That 60' is better then alot of people I know who have nitto drags. My best was one 1.89 60' I got with them. Most of the time it was mid 1.9x 60' on 275/40/17's. I also have stock gears and made around 230-235rwhp then so that was not helping the 60' either.
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i have progressive springs with MM LCA' Steeda double adjustable UCA's and my pinion angle set at -3. the best i could get with stock shit was 1.9 2.0 on the same tire. maybe i was expecting too much out of the new rear end goods. i still need to get my sub frames welded on my chassis flex is disgusting.
i cant wait to try out the slicks though, mmmm M/T Drags on a 15" rim. these tires better fucking hold with only a 3500 stall i figure if it sticks and i get a 1.6 60ft i may make it to 11's at 114-115. |
i have the same tires and love them i run them at 30psi to and from the track, but i drop it down to about 16-15 psi on the track. on a test and tune day i'll experiment on a few different pressues to see what works best. i tried 18, 16, and 14 last time i went, and found 16psi to be the best.
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