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Prefect

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About Prefect

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  • Location
    Jersey
  • Cars Owned:
    Renown, TR2, Dolomite Sprint, 1974 TR6 CR Carmin Red, 1965 TR4a Bright Red Ongoing Project

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  1. Hi, I see you are in Jersey, how are things with Covid 19, I am in St Malo and visit jersey at least one a month, I own numerous Triumphs TR6 PI and Carbs and a TR3A and TR4A, I am have a problem with the 6 on carbs which I bought recently as an unfinished project, the first thing I did was a compression test which showed 110 PSI across the 6 cylinders, some of you will say 110 not a lot, but 110 psi on a stock engine unskimmed head model after 1970 is normal, before 1970 125 psi, of course the fugures rise with a skimmed head. The car is running on Strombergs cylinders 123 plugs normal, 456 black dry soot, I have checked mixture.  At speed the car runs ok but at low speed there is a splutter from the exhaust, the car has electronic ignition, thinking there could be a flat spot I am going back to points tomorow with a new coil.. ( the symptoms are like bad points) Any thoughts anyone 

    100478842_889736381499747_8220270575059206144_n.jpg

    1. Tom Fremont

      Tom Fremont

      I would check the float in the rear carb as the plug pattern implicates that one. 5/8" is the setting, but if it sprang a leak it will need replacement. The needle valve is the other possibility; I'd replace these if it were mine. 

      Nice that the compression readings are even.

       

      Tom

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