<div dir="ltr">Rod,<div> </div><div>It may be somewhat setup dependent, but on my GT6, the Quaife works well.</div><div><br></div><div>The benefit of the welded diff is that you have equal drive to both rear wheels in all conditions, no matter if you are powering out of a corner, or trying to park in the paddock...</div><div> <br></div><div>I've run both welded and Quaife helical LSD, I'll never go back to the welded. I made the swap mid- race weekend when the welded unit blew up. The car instantly became so much more precise (if you can say that about a GT6..). My description was that I was driving the car instead of fighting the car.</div><div><br></div><div>Many will discount the Quaife due to inside wheelspin on corner exit, my experience has been the only time I suffer from wheel spin is when BOTH rears are spinning and I'm going sideways. This may come down to a matter of rear roll stiffness.</div><div>Added bonus: the Quaife is much easier on driveline parts.</div><div><br></div><div>Another option that looks promising is the Gripper plate type LSD - this one offers some tuning options with ramp angles/preload, etc... I've not driven with this type, but it seems to check all the boxes.</div><div><br></div><div><br></div><div><br></div><div><br></div><div><br clear="all"><div><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div dir="ltr"><div dir="ltr"><div>Jason Sukey</div><div><span></span><span></span>JS Performance Motoring, LLC<br></div><div>440.984.7720</div><div><a href="mailto:jason@jsperformancemotoring.com" target="_blank">jason@jsperformancemotoring.com</a><br></div><div><a href="https://www.facebook.com/JSPerformanceMotoring/" target="_blank">https://www.facebook.com/JSPerformanceMotoring/</a><br></div></div></div></div></div></div></div></div></div></div><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Thu, Aug 3, 2023 at 8:24 AM Rod Pierce via Fot <<a href="mailto:fot@autox.team.net">fot@autox.team.net</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="auto">I am considering different options for my Spitfire diff. I'm currently running a welded MkIV diff but I have a couple of questions. I have read some on the subject but I am interested in the current train of thought.<div dir="auto"><br></div><div dir="auto">1. What is the purpose of welding the diff? (safety/performance)</div><div dir="auto"><br></div><div dir="auto">2. What is a good option that is available today to upgrade the Spitfire welded diff?</div><div dir="auto"><br></div><div dir="auto">Thanks</div></div>
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