Parafuso do amortecedor
Austin Healey: BN7 and BT7 with SU-HD6 carburettors from engine no. 29D-H2864 to 29D-26212 (1959-61) plus all BJ7 (1962-63)
Sprite / Midget: 1275 cc models with SU-HS2 carburettors with reference no. AUD662 from August 1973 to October 1974 - Midget from GAN5-138801 to GAN5-153920
Mini: Models with SU-HS2 and SU-HS4 carburettors (1959-90)
Triumph: TR2 with SU-H4 carburettors (1953-55) plus TR4A with SU-HS6 carburettors with reference no. AUD284 from chassis no. CTC62191 (1965-67)
with vent and hexagonal brass head - length of the rod: 2.125"
Dashpot dampers are designed to slow the rise of the suction piston in the carburettor in order to give a richer mixture on snap acceleration. They vary considerably from type to type by varying the clearances in the assembled components. The oil in the dashpot is forced through the assembly and thus slows (dampens) the piston rise. A further difference is that some are externally vented (hole in the top) and some are internally vented (angled hole in the suction chamber) these are termed dustproof and non-dustproof respectively. It is essential that the correct part is fitted to ensure smooth Running of the engine.
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