[Healeys] Top Trunnion Kit

[Ken]

I had them and took them out. I wanted to eliminate possible souces of play. I didn't think wheel bearing shims were good enough for that application. Ken Freese 65 bj8Sent from my Galaxy
-------- Original message --------From: john harper <ah100tech at gmail.com> Date: 4/10/26  11:09 AM  (GMT-08:00) To: Fred Wescoe <fredwescoe at gmail.com> Cc: Healeys <healeys at autox.team.net> Subject: Re: [Healeys] Top Trunnion Kit FredIn the original arrangement, the washers must be assembled so that the maximum lift of the swivel axle on the kingpin is 0.002 in, adjusting the clearance by using various thicknesses of Staybrite and plain washers.I believe that the torque setting for the nut is 55 ft/lb.Fitting the bearing, tightening the top nut and then slackening it off may not give the right or safe result. However, I have seen versions where the kingpin is drilled through in two places with a split pin fitted through a castellated nut. The nut must be tightened down fully, then backed off to allow the split pin to go through.Maybe just a small amount of slackening will not lose sufficient torque to cause a problem All the best. On Fri, 10 Apr 2026 at 15:19, Fred Wescoe <fredwescoe at gmail.com> wrote:John,What should the clearance be and how do you measure it?   Also what is the torque setting for the nut?Thanks.Fred65 BJ8On Fri, Apr 10, 2026 at 9:36 AM Stephen Hutchings <s.hutchings at rogers.com> wrote:I’ve had the AH spares trunnion bearings in for about ten years. It’s been a while, but my memory is that I had to add a shim to get the tolerance right.It’s not a dramatic difference, but it’s noticeable.Stephen, BJ8Sent from my iPadOn Apr 10, 2026, at 7:32 AM, john harper <ah100tech at gmail.com> wrote:SimonI fitted these some time ago; it seemed to make the steering a little lighter. The drawback was that on the original setup, the lift could be adjusted by choosing the correct spacer washer. To make this match the recommendation, I had to file down the top of the swivel axle.The 'official' recommendation for lift is two thou with the top nut tight. I would not recommend leaving the top nut loose so as to get the two thou lift There needs to be a better way of adjusting the swivel axle lift All the best.  On Fri, 10 Apr 2026 at 05:04, Simon Lachlan via Healeys <healeys at autox.team.net> wrote:









I’m tempted by an email from AH Spares touting their roller bearing kit for the front suspension’s top trunnion. (AH3000 MkII BT7). For the magical results described, it seems reasonably priced….

Have any of you tried this conversion?

Was it as easy as they suggest?

And, looking at AH4Healeys, it seems they’ve got their own version….has anyone tried that?

And is one kit known to be better than the other?

Thanks,

Simon


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