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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 Post subject: new carbs for a sprint
PostPosted: Tue Nov 27, 2018 7:18 pm 
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Joined: Tue Nov 27, 2018 7:10 pm
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thinking of upgrading my carbs to weber or su 8's, be interested to know your thoughts on performance enhancement and whether they fit under the bonnet as read somewhere that they can impinge. thanks in advance charles


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PostPosted: Tue Nov 27, 2018 8:02 pm 
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Location: Huntingdon
Low height HS8 from a Jaguar will fit but on their own they will give you nothing in the way of improvement in power, and might even makes things worse as an SU is venturi based. You would need to match it with other improvements to airflow in and out.

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Current fleet: Triumph Dolomite Sprint '75, Daihatsu Fourtrak, Honda CG125, Yamaha Fazer 600, Shetland 570

Disposal fleet: Golf GTi 16v MK3 Anniversary

Past fleet: Triumph 2000, Lancia Beta Coupe, BL Mini Clubman, Austin Metro, Vauxhall Cavalier MK1 & MK2, Renault 18 D, Rover 216 GSI, Honda Accord (most expensive car purchase, hated it on pickup from dealer, was made out of magnetic metal as only car I've ever been crashed into, 4 times), Golf GTi MK3 16v x 3


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PostPosted: Wed Nov 28, 2018 12:54 am 
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Hi Charles, you forgot to mention you already have a Piper fast road cam fitted running on re-jetted HS6s.

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PostPosted: Wed Nov 28, 2018 8:09 am 
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I have a pair of Jag HS8s, new 2” solid mounts and a manifold reamered out to match sitting on my kitchen window sill that I could be persuaded to part with...they’d go well with that cam and resemble the Broadspeed set up...


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