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Old 10-14-2018, 09:32 PM   #1
kramard
 
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GT350 vs Z/28 vs 6th Gen SS 1LE

Got a chance to do a number of hot laps in a gt350 while the owner took my Z. We both are fast drivers - equally matched and have chased each other at VIR etc. The 350 was on 300 TW tires while my Z had Trofeos on it... in short Ford built a hell of a machine. I had the car in track mode with a flip of the traction switch but clearly it was in some mode that controlled slip angle for you. Once the rear would break free it would hold the slide at the given angle for as long as you like while you kept the gas pinned. Best traction control system I've ever experienced. Puts PTM5 to shame.

I was faster and braking later but couldn't pass him without a point. The 350 would gap me down the main straight even though I was on throttle sooner. In the turns Don said all he could see in the rear view mirror was "flow tie". We live in an awesome generation where we have so many options. Huge compliment to the Z... Don almost wanted to trade keys then and there haha. I also really liked the the 350.

Don also took a 6th Gen SS 1LE out... also on 300 TW tires vs my Trofeos. I was easily able to pass the 1LE without a point and ran from it about a second+ a lap. The 1LE and Z/28 were matched on the straight but was able to run in the twisty stuff.

I'll post pics and video later in the week but still living on a high from the awesome duel.
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Old 10-15-2018, 02:39 AM   #2
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I had completely opposite results at Sheldon Ridge Motorsports park. The GT350R was gasping for more brakes said the owner. He was a licensed SCCA guy, took my Z and said he preferred it over the GT because of the brakes and powerband of the large 427. The gearing is better and he used the no lift shift, which I have not used in the turns.


I would love to see some videos of this run to see how the track setup might have played to each's advantage. The interior was too busy in the Mustang, but I liked the easy track and suspension setting toggles. I wish it was easier to turn off all nannies rather than holding down the TC button for an hour in the Z.
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Old 10-15-2018, 08:42 AM   #3
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Originally Posted by quickdrraw View Post
I had completely opposite results at Sheldon Ridge Motorsports park. The GT350R was gasping for more brakes said the owner. He was a licensed SCCA guy, took my Z and said he preferred it over the GT because of the brakes and powerband of the large 427. The gearing is better and he used the no lift shift, which I have not used in the turns.


I would love to see some videos of this run to see how the track setup might have played to each's advantage. The interior was too busy in the Mustang, but I liked the easy track and suspension setting toggles. I wish it was easier to turn off all nannies rather than holding down the TC button for an hour in the Z.
I'm sorry - my post was confusing - second paragraph was me driving my Z. In my opinion the Z/28 has more brakes, puts power down better (and earlier) and is more stable when it comes to sliding It's also a much more "analog" car - you can drive the 350 "fast" without much talent (at least in whatever mode I was in) but the Z does not have that same safety net - to go fast you have to know how to go fast. I'm glad I got the z/28 but they both were really good cars.

Also, I didn't know we could no lift shift.
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Old 10-15-2018, 09:45 AM   #4
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I think there are some biased Z/28 owner opinions here (and problably from people that haven't driven both cars). I have a '15 Z/28 and a '17 GT350R and have tracked both. They are completely different animals.
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Old 10-15-2018, 09:58 AM   #5
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Originally Posted by jlwdvm View Post
I think there are some biased Z/28 owner opinions here (and problably from people that haven't driven both cars). I have a '15 Z/28 and a '17 GT350R and have tracked both. They are completely different animals.
Curious - does your rear step out under power easily on the 350R? I'd knock the tires off in 2nd @ 5 - 6K RPM while rolling out - surprisingly after I was nearly straight. Keep in mind these were contis 300TW tires. I'm bummed I didn't have my gopro on when I drove the car.

How do you turn traction all off? Is track mode the right mode to be in? I would have loved to felt the 350 with everything off - it was the highlight of my day getting to drive the car for sure. Really cool car.
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Old 10-15-2018, 09:58 AM   #6
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Quote:
Originally Posted by jlwdvm View Post
I think there are some biased Z/28 owner opinions here (and problably from people that haven't driven both cars). I have a '15 Z/28 and a '17 GT350R and have tracked both. They are completely different animals.
Would love for you to elaborate, especially since you own both. Very curious as I initially loved and wanted the 350R but the price hike and availability had me choose the Z28.
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Old 10-15-2018, 10:11 AM   #7
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Would love for you to elaborate, especially since you own both. Very curious as I initially loved and wanted the 350R but the price hike and availability had me choose the Z28.
It'll be interesting to see what these gt350(r)'s hold their values at. The Gt350r's production alone exceeeds the total z/28s 1800 number

gt350r production
2015: 37
2016: 526
2017: 942
2018: unconfirmed

The gt350s are around 15,000 produced
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Old 10-15-2018, 10:29 AM   #8
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I found my R this summer, but had my previous '16 350 Track Pack to the track several times. Both my Z and previous 350 have/had Pilot SS tires. I am not out to set any records and keep both cars 1 step below track setting. The one thing I noticed with the Z is that it seemed to turn in better. I attributed this to the larger 305's (as compared to the 295's on the 350). The R has 305/315 Pilot Cups, so it will be fun getting it on the track next spring. The 350's 8250 redline takes some getting used to.

I was able to find my R private party with 1800 miles, paint corrected, wrapped and quartz sealed for well under MSRP. I had been looking for 3 months. I bought my Z this winter from a Porsche dealer with 3600 miles on it for WAAAAAAAYYYYYYY less than MSRP! I don't think you will ever see R's sitting on new lots for 20% off MSRP like you could find Z's when new. There seems to be a lot more demand for the Shelbys.
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Old 10-15-2018, 01:25 PM   #9
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Please explain about lift shift? I am totally at a loss.
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Old 10-15-2018, 01:28 PM   #10
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Quote:
Originally Posted by jlwdvm View Post
I found my R this summer, but had my previous '16 350 Track Pack to the track several times. Both my Z and previous 350 have/had Pilot SS tires. I am not out to set any records and keep both cars 1 step below track setting. The one thing I noticed with the Z is that it seemed to turn in better. I attributed this to the larger 305's (as compared to the 295's on the 350). The R has 305/315 Pilot Cups, so it will be fun getting it on the track next spring. The 350's 8250 redline takes some getting used to.

I was able to find my R private party with 1800 miles, paint corrected, wrapped and quartz sealed for well under MSRP. I had been looking for 3 months. I bought my Z this winter from a Porsche dealer with 3600 miles on it for WAAAAAAAYYYYYYY less than MSRP! I don't think you will ever see R's sitting on new lots for 20% off MSRP like you could find Z's when new. There seems to be a lot more demand for the Shelbys.


I ran a set of Pilot Sport 2's on the Z for one weekend. They were practically shot after several runs and did not stick nearly as well as the Trofeo's, or my current GY 3R's.
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Selected rides from past to present:
Brabham BT-18 F-3/C ('70)
Chevron B-17 F-3/C ('71)
911S/T 2.3 liter IMSA ('72) The one that got away
March 73B F-Atlantic ('73-74)
944S2 '89 SP-3, Super Cup (2007-'11)
Boxster S 2000, F Stock (2010-'11)
Cayman S 2009 ITC, GTB1 (2012-15)
2000 Spec Miata (2014-15)
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Old 10-15-2018, 02:34 PM   #11
jlwdvm
 
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Quote:
Originally Posted by Racer56 View Post
I ran a set of Pilot Sport 2's on the Z for one weekend. They were practically shot after several runs and did not stick nearly as well as the Trofeo's, or my current GY 3R's.
I have 2 days at Autobahn and 1 day at Road America on mine (Z/28) and they seem to be holding up well for me. I think I had 4 track days at Autobahn with my '16 350 before I got rid of it. I don't think you can compare PSS to Trofeo's or 3R's. I expect my Pilot Cup tires to perform much better.
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Old 10-15-2018, 07:42 PM   #12
Racer56
 
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Quote:
Originally Posted by quickdrraw View Post
I. The gearing is better and he used the no lift shift, which I have not used in the turns.
Could someone please explain "no lift shift"?
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Selected rides from past to present:
Brabham BT-18 F-3/C ('70)
Chevron B-17 F-3/C ('71)
911S/T 2.3 liter IMSA ('72) The one that got away
March 73B F-Atlantic ('73-74)
944S2 '89 SP-3, Super Cup (2007-'11)
Boxster S 2000, F Stock (2010-'11)
Cayman S 2009 ITC, GTB1 (2012-15)
2000 Spec Miata (2014-15)
2016 Carrera GTS Current
2016 MB E-63AMG wagon Current
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Old 10-15-2018, 08:07 PM   #13
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Quote:
Originally Posted by Racer56 View Post
Could someone please explain "no lift shift"?
ZL1 had no lift shift programmed in to keep the boost up during shifting. I don't know about the Z.

If you have an owner's manual, take a look at PTM pages starting around 9-38. PTM 2 activated the feature on the ZL1.
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Old 10-15-2018, 08:41 PM   #14
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Someone can correct me if I'm wrong here but simply put without going into details,I believe its when you can keep your foot in the throttle while shifting.
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