[Healeys] Top Trunnion Kit

Fri Apr 10 10:27:42 MDT 2026

Good questions! I suppose one could ask the supplier, but they aren’t always as savvy as they should be. Actually, I find AH4Healeys to know their stuff. Which leads me back to:-

Does anyone know whose set is the better of the – I think – two??

And thanks for the replies. (Keep them coming!)

Simon

From: Healeys <healeys-bounces at autox.team.net> On Behalf Of Fred Wescoe
Sent: 10 April 2026 15:19
To: Stephen Hutchings <s.hutchings at rogers.com>
Cc: Healeys <healeys at autox.team.net>
Subject: Re: [Healeys] Top Trunnion Kit

John,

What should the clearance be and how do you measure it?   Also what is the torque setting for the nut?

Thanks.

Fred

65 BJ8

On Fri, Apr 10, 2026 at 9:36 AM Stephen Hutchings <s.hutchings at rogers.com <mailto: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, BJ8

Sent from my iPad

On Apr 10, 2026, at 7:32 AM, john harper <ah100tech at gmail.com <mailto:ah100tech at gmail.com> > wrote:

Simon

I 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 <mailto: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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