20" radials vs 18" & 17" radials 600+rwhp - Page 2 - Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums

2010SSRSM6 · 12-28-2015, 08:39 AM

Quote:

Originally Posted by booneSS13

Wow I didn't realize traction would be that big of an issue with these tires at that hp level. Once it's in the budget I'll have to go with some 17's. With the 20's what rpm do you guy's recommend leaving the line at?

I launch between 2000-2500 depending on how well the track is prep'd. You can cut 1.6x 60's on 20's as long as you are willing to ride the clutch out but even then its hard to be consistent.

booneSS13 · 01-07-2016, 02:44 PM

Quote:

Originally Posted by 2010SSRSM6

I launch between 2000-2500 depending on how well the track is prep'd. You can cut 1.6x 60's on 20's as long as you are willing to ride the clutch out but even then its hard to be consistent.

That's an awesome reaction time. Are you using 555r's? What was your e/t and hp level?

2010SSRSM6 · 01-07-2016, 02:48 PM

Quote:

Originally Posted by booneSS13

That's an awesome reaction time. Are you using 555r's? What was your e/t and hp level?

P-Zero's (factory 275's) at 590rwhp.

Running NT05R's (20's) and I wasn't able to improve beyond the 1.62.

Best pass et wise was 11.43, best mph was 126.50.

Should be 10.0 this spring on 20's.

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booneSS13 · 01-07-2016, 02:54 PM

Nice! So you didn't get any better r/t with the radials? I'm in the process of an engine overhaul as well. Going with a forged stock ci motor and spec stage 3+ clutch going to be spraying 225 shot at the track. What is going to be done to yours 2010SSRSM6?

2010SSRSM6 · 01-08-2016, 03:48 AM

Quote:

Originally Posted by booneSS13

Nice! So you didn't get any better r/t with the radials? I'm in the process of an engine overhaul as well. Going with a forged stock ci motor and spec stage 3+ clutch going to be spraying 225 shot at the track. What is going to be done to yours 2010SSRSM6?

No difference in R/T. I'm still going for consistency and not R/T. I've cut a .003 light once though going up against a modded GT-R, but lost on the big end.

Forging and staying stock cubes, maxing out the Maggie and shooting for 800+ rwhp. I had a lifter break at 84k miles. I've pushed it hard for 6 years and she finally had enough.

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booneSS13 · 01-09-2016, 03:23 PM

.003 light is awesome! I hate to get more seat time in so iIcan start cutting lights like that. Are you running the 20's on your new setup? What psi were you running?

2010SSRSM6 · 01-09-2016, 08:26 PM

I was at 9#'s of boost on the old setup and I'll be on 20's with the new setup for a while.

I was running anywhere from 24-28 psi

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booneSS13 · 02-03-2016, 08:09 PM

Quote:

Originally Posted by 2010SSRSM6

I was at 9#'s of boost on the old setup and I'll be on 20's with the new setup for a while.

I was running anywhere from 24-28 psi

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Okay that's good to know I may start off around 29# and work my way down. How much rwhp would you say you were making?

2010SSRSM6 · 02-03-2016, 08:11 PM

Quote:

Originally Posted by booneSS13

Okay that's good to know I may start off around 29# and work my way down. How much rwhp would you say you were making?

590rwhp on a mustang dyno and 640 on a dynojet. So somewhere in that range. lol

Torque was almost exactly where hp was.

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booneSS13 · 02-04-2016, 08:22 AM

Quote:

Originally Posted by 2010SSRSM6

590rwhp on a mustang dyno and 640 on a dynojet. So somewhere in that range. lol

Torque was almost exactly where hp was.

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Wow 50 rwhp difference between dyno's that's crazy! Well this will be interesting with over 650rwhp with the 20"555r radials. I'll just make sure to ride the clutch out some to try to get out a lot of the spin like everyone is saying. I was having a problem bogging before on just h/c but I think I was letting out the clutch to early maybe

Pro Stock John · 02-04-2016, 10:24 AM

555Rs are better than stock tires, should notice a difference. But the NT05Rs hook better.

2010SSRSM6 · 02-04-2016, 11:25 AM

Quote:

Originally Posted by booneSS13

Wow 50 rwhp difference between dyno's that's crazy! Well this will be interesting with over 650rwhp with the 20"555r radials. I'll just make sure to ride the clutch out some to try to get out a lot of the spin like everyone is saying. I was having a problem bogging before on just h/c but I think I was letting out the clutch to early maybe

Hold your RPM's at about 2200 and play around with the launch. You may find your setup likes more or less RPM so check your time and adjust. If it gets better, you know you went he right direction.

You'll get it but it takes practice.

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booneSS13 · 02-24-2016, 09:21 PM

Quote:

Originally Posted by 2010SSRSM6

Hold your RPM's at about 2200 and play around with the launch. You may find your setup likes more or less RPM so check your time and adjust. If it gets better, you know you went he right direction.

You'll get it but it takes practice.

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I'm going to try that this year with my new combo hopefully I'll be able to break mid 11's

damian559 · 02-25-2016, 02:15 AM

I currently have 305/35/20 MT ET Street S/S. I've cut a 1.7 60' on them and know I can do a little better than that.

01-09-2016, 08:26 PM	#21
2010SSRSM6 Drives: My wife crazy with my C5 usage. Join Date: Apr 2009 Location: DFW Posts: 6,553 View My Garage	I was at 9#'s of boost on the old setup and I'll be on 20's with the new setup for a while. I was running anywhere from 24-28 psi Sent from my iPhone using Tapatalk __________________ UNDER CONSTRUCTION......again......

02-04-2016, 10:24 AM	#25
Pro Stock John Writer Drives: 2010 SS / 1967 Camaro Join Date: May 2009 Location: Chicago, IL Posts: 7,221	555Rs are better than stock tires, should notice a difference. But the NT05Rs hook better. __________________ PROJECT HEAVY CHEVY Camaro Now: Mods for the Masses Part I \| Part II 13.15@106 1.95 \| 100% Stock 12.37@112 1.85 \| + Kooks Headers/Cats + 20" 555R + CAI + BW TB + UDP + Tune 12.06@113 1.70 \| + CD 3200 + 18" NT05R + RCR Intake + NE OTR + GPI Tune 11.84@115 1.59 \| + 3.91s + Race Star 17x7 Fronts 10.90@125 1.47 \| + GPI VVT Cam + BW Ported Heads + CD 3800

02-25-2016, 02:15 AM	#28
damian559 Drives: 2015 1SS, 1LE, Recaro, NPP Join Date: Apr 2014 Location: Fresno, CA Posts: 927	I currently have 305/35/20 MT ET Street S/S. I've cut a 1.7 60' on them and know I can do a little better than that. __________________ 2015 Summit White 1SS, 1LE, Recaros, NPP 498 RWHP 447 RWTQ (Motor) 647 RWHP 723 RWTQ (150 Shot) 12.1 @ 117 (Motor) 11.7 @ 129 (Nitrous) Nitrous Outlet Single Nozzle Kit \| Stand Alone Fuel Cell w/ C16 \| Custom Grind Cam \| Stainless Power 1 7/8 LT Headers \| CAI Intake \| ATI Super Damper \| BMR Trailing Arms & Toe Links \| Prothane Polyurethane Sub-frame Bushings \| JDP Upper Control Arm Bushings \| MT Drag Radials \| Tuned by SS Motorsports Youtube Channel: Click Here

01-07-2016, 02:54 PM	#18
booneSS13 Drives: 2013 Camaro SS LS3 Join Date: Jun 2015 Location: Davenport IA Posts: 718	Nice! So you didn't get any better r/t with the radials? I'm in the process of an engine overhaul as well. Going with a forged stock ci motor and spec stage 3+ clutch going to be spraying 225 shot at the track. What is going to be done to yours 2010SSRSM6?

01-09-2016, 03:23 PM	#20
booneSS13 Drives: 2013 Camaro SS LS3 Join Date: Jun 2015 Location: Davenport IA Posts: 718	.003 light is awesome! I hate to get more seat time in so iIcan start cutting lights like that. Are you running the 20's on your new setup? What psi were you running?