[Fot] Quaiffe Versus Gripper -

[Scott Janzen]

Mike, any relevant same-track comparisons in lap times, welded vs quaife?

On Jul 20, 2023, at 12:33 PM, Mike Harmuth <ofracer at gmail.com> wrote:

Scott, I went from a welded diff to a Quaife last year. Easier in the paddock etc to drive and push around. In the corners, less fighting the wheel, more point and shoot. Downside, I'm getting some wheel hop when I hit the gas. I've been making suspension, tire pressure and shock adjustments to dial it out, almost there. For the K Cup (and not one of the fast cars), I put an old welded diff in to get a better ratio (3.89) vs the normal 4.11 Quaife. Not sure I made the right call, no idea how many hills were at RA, but with all the settings the same, no wheel hop so it must be caused by the Quaife.

GT6 diff in the car for the big stub axles, Quaife PN QDF8K. I ordered it last spring directly from Quaife when the exchange rate was pretty good.

mike


On Thu, Jul 20, 2023 at 11:58 AM Scott Janzen via Fot <fot at autox.team.net <mailto:fot at autox.team.net>> wrote:
Does anyone have experience with a Gripper diff - or a Quaiffe?  I currently run a welded diff in the GT6 and am contemplating whether any advantage could be gained by making a swap.  Certainly curious as to what the super fast GT6s at the Kastner Cup were running.

Scott Janzen
'68 GT6


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<QDF8K.pdf>

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