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Old 06-23-2018, 09:29 PM   #57
Drsagacity

 
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Quote:
Originally Posted by Snowblind View Post
It only makes sense that this thread would steer towards weight reduction and rotating mass, that's obvious. I was just trying to answer the OP's question in post 1 and your follow up questions in regards to 20 vs 17 inch DR's and traction. If your budget allows it then the 17 would be the better long term choice, both in tire size options and if you choose to improve the performance of your vehicle moving forward...plus the benefit of WR

All I was stating is that a 20" DR can perform the same task as a 17 if lack of traction is not a factor. I'm not trying to toot my horn, but I have made over 175 passes in 2 1/2 seasons and have made many passes on both setups, I think it's safe to say I have more experience with both setups more than anyone on here. A 1.58 I believe is the best 60' I made on a 20 before I went to a complete 17" drag pack. I am now in the 1.4's but I have bumped up the mods so I cannot give you an apples to apples comparison, I still have my 20's sitting in the garage...maybe I'll swap them one day and see if their is a difference.

I hope this helps, good luck with whatever route you choose. I look forward to your results.
1.58 60 is sick! If I could pull that off, I could definitely beat my personal best (10.2@138 from my Vette). I will only go to the track a couple times per year. I really enjoy having a car that will run the exact same on the street as what it runs at the track. I figure I will be good to trap in the 138-140 range with any traction. If it fails to hook, then I might pick up a drag pack and just leave them as a dedicated strip trip

First things first...get my work done, get tune worked out and then burn a fr what’s left of my tires and get some new rubber.

As for the OP, that is good stuff seeing someone with 20’s throwing down the 1.5 60ft.it also seems that the drag pack will be more consistent but on the best runs there won’t be much difference. Kinda makes it hard to go get dedicated track setup, huh?
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Old 06-23-2018, 10:10 PM   #58
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Originally Posted by Black Hole View Post
OK - I'm back on the e85 train; I have 2 other tuners in the area to check out. Now, back to the drag radials...LOL.
Bud, You just need to call PRAY. You will not be disappointed.
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Old 06-23-2018, 10:13 PM   #59
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All I will say is that I am doing a H/C job on a car now that has basically only seen E and it is the cleanest motor I have ever taken apart. Everything in side looks amazing. The pump gas motors I take apart look like crap.
That would be my car being referenced here. I love running E85 we have it all over the place here on Long Island. My exhaust tips stay clean as well. Even regular pump 93 around most spots in the country has 10% ethanol so even a non flex fuel vehicle needs to have an ethanol compliant fuel system. The power gained from E85 is VERY evident.
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Old 06-24-2018, 02:35 PM   #60
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Originally Posted by ULTRAZLS1 View Post
You can buy front brakes from aerospace to fit 15s in front. GPI sells a kit too. Carlyle is the only rear kit

Do you think you lost much weight in the rear? The gpi front kit shaves like 38 lbs

I though I read the Carlyle kit was only like 7 lbs which is kinda lame. It’s nice to be able to run 15s but still
Are you sure anybody makes a small front brake kit for a 6th gen?
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Old 06-24-2018, 02:40 PM   #61
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Are you sure anybody makes a small front brake kit for a 6th gen?
https://www.camaro6.com/forums/showt...ront+brake+kit
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Old 07-02-2018, 07:48 AM   #62
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I am currently running factory rears with the TOYO R888R and I loved the tires for about the first 2500 miles. Now they are starting to give up off the hit. But I had very little issues launching the car hard with the TOYO. But there expensive, I am in the same spot that you and Drsagacity have...... What to do... I am leaning towards the 17" wheel but im afraid that after a few months it wont be enough.. and they will be for sale while i buy the 15" deal..
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Old 07-04-2018, 09:33 AM   #63
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Ok, so I ordered the M/Ts in 285/30/20 last week, expected receipt on July 6. I checked my order status today and the tires are now delayed into August. So, I am now considering going the 305 route since these 285 tires appear to be apparitions. Can anyone provide ET or 0-60 timer differences swapping factory tires to the 305s, all else equal? I was originally hesitant to go to a taller tire. I am only looking for before and after comparisons.

Also wanted to note I found a local tuner high on the e85 conversion with headers- I am back on the e85 bandwagon.
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Old 07-05-2018, 10:55 PM   #64
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Originally Posted by Black Hole View Post
Ok, so I ordered the M/Ts in 285/30/20 last week, expected receipt on July 6. I checked my order status today and the tires are now delayed into August. So, I am now considering going the 305 route since these 285 tires appear to be apparitions. Can anyone provide ET or 0-60 timer differences swapping factory tires to the 305s, all else equal? I was originally hesitant to go to a taller tire. I am only looking for before and after comparisons.

Also wanted to note I found a local tuner high on the e85 conversion with headers- I am back on the e85 bandwagon.
Are they 305/30's or 305/35's? If the latter, will that cause problems with the size difference between. Front and rear? Also, do you have the wiring harness moved?
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Old 07-06-2018, 05:31 AM   #65
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They are 305/35. From what I have read this is the tire many of the 20 inch drag racers have gone with. There is no problem with front to rear height differences; I am still on stock fronts. I am relocating the wiring harness this weekend. I am not pleased to be going this route but this tire is currently the best available option; there are some documented accounts of good experiences so I hope this won’t be a big fail. I just wanted a shorter tire. Maybe by the time I go through these, the 285/30s will physically exist.
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Old 07-06-2018, 09:55 AM   #66
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Just going to chime in here. No experience with DR's in 17's or 20's. When I did radials on my car I went with 18's and a 315/40/18 NT05R.

Difference on the street is night and day. Stock tires would spin pretty much anytime I went with more then 1/4 throttle. Best 0-60 using the timer was 4.4 sec. Went down the strip a few times stock and ran 12.45 at 116.

Switched to the DR's and they pretty much dead hook on the street. If i'm on asphalt they spin a little but not bad. On concrete it's a dead hook and go. Best 0-60 is now 4.1 sec. Haven't made it back to the strip with that combo. Maybe this weekend as we are finally getting a cool weekend here.
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Old 07-08-2018, 09:38 AM   #67
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Originally Posted by Black Hole View Post
They are 305/35. From what I have read this is the tire many of the 20 inch drag racers have gone with. There is no problem with front to rear height differences; I am still on stock fronts. I am relocating the wiring harness this weekend. I am not pleased to be going this route but this tire is currently the best available option; there are some documented accounts of good experiences so I hope this won’t be a big fail. I just wanted a shorter tire. Maybe by the time I go through these, the 285/30s will physically exist.
Yep. My fronts are 285/30's. I think best option will either be Hoosier R7 (305/30) or R888R (315/30).
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Old 07-08-2018, 09:48 AM   #68
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I realize that the Toyo’s you indicated are bigger than what I currently run, but I can tell you in 285/35 they are no good for consistency and pedal drops- on the stock car I can spin them through third. Good luck with your choice!
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Old 07-15-2018, 06:45 AM   #69
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OK, got the 305/35/20 MT ET Street SS tires put on. Here is my comparative review vs the R888R:
Noise - gone; R888R were LOUD; the MT is much quieter.
Handling - the shop put in 38psi and the car was all over the road; I dropped the pressure to 25 and it is much better. Still follows ruts but does not feel dangerous like it did with all that air. Keeping in mind drag radial vs comp tire, I have no concerns with the MT based on my driving habits.
Grip - nice improvement; 0-60 dropped by .2 (cold) - .4 (hot) with TC on. With no TC the car will still not "dead hook" but it spins only briefly and moves out, unlike the R888R which sat in place and fishtailed through 3 gears.
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Old 03-10-2020, 03:37 PM   #70
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Originally Posted by Black Hole View Post
OK, got the 305/35/20 MT ET Street SS tires put on. Here is my comparative review vs the R888R:
Noise - gone; R888R were LOUD; the MT is much quieter.
Handling - the shop put in 38psi and the car was all over the road; I dropped the pressure to 25 and it is much better. Still follows ruts but does not feel dangerous like it did with all that air. Keeping in mind drag radial vs comp tire, I have no concerns with the MT based on my driving habits.
Grip - nice improvement; 0-60 dropped by .2 (cold) - .4 (hot) with TC on. With no TC the car will still not "dead hook" but it spins only briefly and moves out, unlike the R888R which sat in place and fishtailed through 3 gears.
Did you relocate the brake harness? I just tried to put the MT 305/35’s on mine and it was rubbing so I sent them back. I just now am seeing people moving the brake harness.
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