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2013-14 Shelby GT500
Science experiment - can the IRS from the S550 be transplanted into a 13/14 GT500?
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<blockquote data-quote="BAS" data-source="post: 14528382" data-attributes="member: 137936"><p>^ this</p><p></p><p>Totally agree with this - not just for track, but for street too. I drove euro and jap cars for over 20 years and all of them had IRS with my most recent drive being an M3. I didn't know what I was getting into with SRA but the 2013 Shelby was a great proposition and immensely unique in this part of the world. In addition to this, I wanted "bullet proof". The M3 cost me a fortune to maintain the SMG box and multiple rebuilds of the rear suspension from track day abuse.</p><p></p><p>I do have to say that I realized pretty quickly that the SRA was challenged with the pot holes and general road conditions in a way I was not used to and so had to find a mod to fix. Lowered and BMR'd, I was able to dial out most of the hop but it was still there. I read everything I could find on IRS vs SRA and suspension upgrades and eventually came to the conclusion that I needed a watts link to solve this. Otherwise, the pros and cons really did not favour either.</p><p></p><p>I have since installed Filip's Cortex racing watts link & torque arm and it has transformed the car. I have driven over 3000kms since and there really is no compromise in this suspension set up versus IRS on track or on bumpy, pot hole ridden, roads. On track I was able to achieve over 1g in corners - uncompetitive driving and road tyres (Pirelli's) measured on a racelogic box. On road the wheel hop is completely dialled out. Tests done on Mustangs with Watts have seen up to 1.3g lateral - that's way more than an R8 or Lambo LP570-4.</p><p></p><p>Added to this, my wife's confidence in the car went up immeasurably once the watts link was on - and that must count for something</p></blockquote><p></p>
[QUOTE="BAS, post: 14528382, member: 137936"] ^ this Totally agree with this - not just for track, but for street too. I drove euro and jap cars for over 20 years and all of them had IRS with my most recent drive being an M3. I didn't know what I was getting into with SRA but the 2013 Shelby was a great proposition and immensely unique in this part of the world. In addition to this, I wanted "bullet proof". The M3 cost me a fortune to maintain the SMG box and multiple rebuilds of the rear suspension from track day abuse. I do have to say that I realized pretty quickly that the SRA was challenged with the pot holes and general road conditions in a way I was not used to and so had to find a mod to fix. Lowered and BMR'd, I was able to dial out most of the hop but it was still there. I read everything I could find on IRS vs SRA and suspension upgrades and eventually came to the conclusion that I needed a watts link to solve this. Otherwise, the pros and cons really did not favour either. I have since installed Filip's Cortex racing watts link & torque arm and it has transformed the car. I have driven over 3000kms since and there really is no compromise in this suspension set up versus IRS on track or on bumpy, pot hole ridden, roads. On track I was able to achieve over 1g in corners - uncompetitive driving and road tyres (Pirelli's) measured on a racelogic box. On road the wheel hop is completely dialled out. Tests done on Mustangs with Watts have seen up to 1.3g lateral - that's way more than an R8 or Lambo LP570-4. Added to this, my wife's confidence in the car went up immeasurably once the watts link was on - and that must count for something [/QUOTE]
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2013-14 Shelby GT500
Science experiment - can the IRS from the S550 be transplanted into a 13/14 GT500?
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