[TR] TR3A SU H6 Carb Rebuild Question

[Dave Connitt]

8 flats sounds about right for a starting point.
I think that is how I started out on my TR4A.
I honestly haven't messed with them for over 2 years and the car runs pretty well. I drove from Cincinnati to the 2018 Kas Kastner race this summer without a problem.  I will say though that the temperature has to be above 70 degrees or so . As the temp gets lower, the engine will stumble slightly when cold. I tried a color tune glass spark plug for the initial tune but I think just reading the plugs is the long term tuning solution.
My .02
Dave Connitt
'67 TR4A IRS

-----Original Message-----
From: Triumphs <triumphs-bounces at autox.team.net> On Behalf Of Bud Rolofson
Sent: Saturday, September 8, 2018 12:47 PM
To: Jim Henningsen <trguy75 at gmail.com>
Cc: Triumphs <triumphs at autox.team.net>
Subject: Re: [TR] TR3A SU H6 Carb Rebuild Question

Jim,

 I’ve heard 8 flats from full tight. I think one and a half turns (rather than flats) would be about 8 flats.

Bud

> On Sep 7, 2018, at 6:28 PM, Jim Henningsen <trguy75 at gmail.com> wrote:
> 
> Having a spot of fun learning to rebuild my SU carbs.  Got them all 
> back together with new kits and looking very nice indeed.  Throttle 
> shaft wear felt very minimal so I did not replace.  Kit included new 
> needle and float valves along with gaskets.  First time doing a set of 
> SUs so please bear with me.  My question is where should the jet 
> adjusting nut be set prior to running and setting mixture? I had hear 
> one and half flats backed off from fully tightened position?  Thoughts 
> would be greatly appreciated as I would like to test and adjust this weekend.
> Cheers,
> Jim Henningsen
> Ocala FL
> 61  TR3A
> 62 TR4
> 75 TR6
> 82 Jeep CJ8
> 02 Triumph Trophy 1200 (Had to have it)
> 
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