Weber 38DGMS Upgrade
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Discussion

V Mad

Original Poster:

18 posts

194 months

Tuesday 3rd December 2019
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I have been running a 38DGMS on my 3.0 V8 Triumph Stag engine. This is more torquey than the original Strombergs but about the same BHP. A year ago I was offered a 44DCNF special which fits onto the 38DGMS (38DGAS) footprint, albeit the carb bores are bigger. After some jetting changes I found this bigger carb seems to develop much more power because I can feel that the torque holds up at higher revs well into 6000 rpm.

So I wondered if anyone who has a classic 2.8 or 3.0 Ford V6 would like to try it out? I ran a 38DGMS on a 2.8 Cologne V6 and it ran well enough but I would imagine the 2.8 or 3.0 Essex would benefit, and it is an easy bolt on swap. All you should do is to blend the 44mm bores to the 38mm bores by flaring the heat spacer or opening up the spacer and manifold to 44mm. Jets are readily available for the 44DCNF and like most Webers it is really easy to change them in situ.

J4CKO

45,927 posts

223 months

Tuesday 3rd December 2019
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Awesome, I don't know the answer but if PH existed in 1978 this is what we would be seeing !