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      10-17-2020, 10:10 AM   #29
Racer20
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Drives: F80 M3, 228i THP, E46 ZHP
Join Date: May 2009
Location: Ann Arbor, MI

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Quote:
Originally Posted by Montaver View Post
Quote:
Originally Posted by SYT_Shadow View Post
When discussing cars and track worthiness, people tend to gravitate towards Ring times and excel sheet comparisons as well as pro driver reviews. This is, in my opinion, a mistake. The question isn't whether Randy Pobst is able to drive a specific car (GT4 or GT3 for example) faster than another car (M3 CS for example). Randy is a professional race driver. His experiences do not easily translate to joe six pack.

I consider myself a pretty accomplished track driver. 3 years of wheel to wheel in American Endurance Racing with trophies to back that up (sharing a seat with Randy), hundreds of track days, PCA instructor. yada yada yada. The GT4 I sampled was a full build: aeromotion extended aero and JRZ 3WR suspension set up at their shop, 450hp power package, etc. Gearing is all messed up on that car, it's crazy to have 2nd gear get to 83mph, it means in a slow enough turn you should be putting 1st in. Anyway, once you get some speed and it begins rotating it wants to continue rotating until it spins, basically the opposite behavior of a front engine/rear drive car. I managed a few 2:10 laps at WGI (a far cry from 2:04 in the CS or E90 with no aero and weighing 600lb more...) until third gear 'broke'. I brought it in and apparently 3rd gear is a known issue and covered under warranty, but I've tracked 180k mile E46s which still were on their original tranny and clutch. The GT4 has autorevmatch so it's not like there was a missed shift.

A few years later I had a track weekend with a buddy who raced Cup cars and currently drives a 991 GT3 RS that is modded to the moon and back. During the weekend there was someone else in a GT4 that was funny because they started getting ready to go out, I'd start getting ready as well and then the guy would stop and go sit down so we wouldn't coincide on track. I reminded my buddy that I had never seen a fast GT4 on track and he got upset like if I was insulting his mother or something. Anyway, later that weekend he had a chance to drive my car, did a few laps, came back in and said 'you were right, the GT4 is not even close'.
A stock power GT4 with an alignment and RE-71's can do a 2:10 at WGI. These are regular guy drivers, not pros. A mildly modded GT4 can do 2:07, regular DE driver. What I assume is a more significantly modded GT4 can do a 2:04, video doesn't list the mods. All videos on Youtube.

I'm sure you could of easily done better than a 2:10 given your skills, but you can't expect to do that in a couple of laps. Get out in one again for more time and you may change your mind. I've only had the GT4 out for one track day so far and it took at least a couple of sessions to get a feel for the cars balance. It has very different behavior to the M2/3. The long second gear is noticeable on the street but felt fine on the track to me, tracks with a lot of low speed corners may be different. I actually found the lack of midrange torque way more noticeable than the gearing, it feels a bit flat below 5K RPM. I've probably been spoiled by the S55 in that regard
Just to clarify, are you referring to the 981 GT4 here or the 718?
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2015 M3, 2005 330i ZHP, 2015 228i 6MT Track Handling Pack, 2007 M Coupe (Sold)
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