The Triumph Dolomite Club - Discussion Forum

The Number One Club for owners of Triumph's range of small saloons from the 1960s and 1970s.
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PostPosted: Wed Jul 07, 2021 6:58 pm 
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Joined: Wed Dec 09, 2020 8:47 pm
Posts: 35
The Waxstat HS4s on my SE are causing me endless issues: rarely in balance, generally lumpy and frustrating.

It's been a long time since I last swapped around engines in our cars: can anyone confirm for me that the single SU and matching manifold are a direct swap with my twins? I know it'd make marginally less power/torque, but none of my Toledos have ever given me fueling issues, so am looking for a fit and forget solution.

Thanks.


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PostPosted: Wed Jul 07, 2021 7:04 pm 
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Quote:
The Waxstat HS4s on my SE are causing me endless issues: rarely in balance, generally lumpy and frustrating.

It's been a long time since I last swapped around engines in our cars: can anyone confirm for me that the single SU and matching manifold are a direct swap with my twins? I know it'd make marginally less power/torque, but none of my Toledos have ever given me fueling issues, so am looking for a fit and forget solution.

Thanks.
The dolly 1300 inlet will not fit with the twin outlet exhaust manifold. I tried. Really tried. But no....
(and when tested back in the 90s, there is naff all difference, maybe 2-3bhp in a proper trial)

Have you tried the 2p waxstat removal? simple and often cures many ills.

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Clive Senior
Brighton


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PostPosted: Wed Jul 07, 2021 7:28 pm 
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Thanks, Clive.

Could you remind me about the 2p thing? Rings a bell but can't recall the details. Thanks.


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PostPosted: Wed Jul 07, 2021 11:39 pm 
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Future Club member hopefully!
Future Club member hopefully!

Joined: Mon Dec 03, 2012 6:04 pm
Posts: 1549
Odds are the problem you are blaming on the twin carb setup is really down to worn components on the carbs or an airleak from something like a split breather hose.

One thing I would suggest, if you don't already have one, is buying an airflow meter. It makes balancing carbs far easier and will be more accurate than doing it by ear.


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PostPosted: Fri Jul 09, 2021 9:20 am 
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Location: Silsoe, Beds
or use the SU waxsat conversion kit which I used on mine,

http://sucarb.co.uk/waxstat-jet-conversion.html

Malcolm


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PostPosted: Fri Jul 09, 2021 9:27 am 
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Quote:
or use the SU waxsat conversion kit which I used on mine,

http://sucarb.co.uk/waxstat-jet-conversion.html

Malcolm
I second that :thumbsup:

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PostPosted: Fri Jul 09, 2021 12:50 pm 
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Thanks, all, much appreciated. I'll give the conversion kit a whirl along with a comprehensive service.


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