Triumph

TRIUMPH
4 CYLINDER
1980-76 1493cc Spitfire ZS-1 150CD 4278
1980-75 1998cc TR7 (2 Carb) ZS-1 175CD 4278
1976-75 1998cc TR7 ZS-1 175CD 4278
(Calif, 1 Carb)
1975-73 1493cc Spitfire Mark IV ZS-1 150CD 4278
1974-72 1296cc Toledo SU-1 HS-4 4330
1972-70 1296cc Spitfire Mark IV SU-1 HS-2 4330
(2 Carb)
1972-70 1493cc Spitfire 1500 SU-1 HS-4 4330
1972-69 1296cc Spitfire ZS-1 150CD 4278
Mark III, IV
1968 2138cc TR4A (2 Carb) SU-1 HS-6 4330
1968-67 1296cc Spitfire Mark III SU-1 HS-2 4330
(2 Carb)
1966-65 2138cc TR4A (2 Carb) SU-1 HS-6 4330
1966-62 1147cc Spitfire Mark III SU-1 HS-2 4330
(2 Carb)
6 CYLINDER
1976-69 2498cc TR6 (2 Carb) ZS-1 175CD 4278
1974-66 1998cc GT6, Mark I, II, III ZS-1 150CD 4278
(2 Carb)
1973-72 1998cc Bullet, Sprint SU-1 HS-6 4330
(2 Carb)
1969-68 2498cc TR250 (2 Carb) ZS-1 175CD 4278
1964-63 1596cc Vitesse (2 Carb) SU-1 HS-2 4330
1973-70

Recent Posts

Floats

Floats perform an important function in maintaining the correct level of fuel in the float bowl by opening and closing an internal inlet valve. If the float develops a leak, it will sink below its ideal level and excess fuel will enter the bowl. This causes the engine to run rich and probably causes leakage of gasoline out of the carburetor, increasing the risk of engine fires. In a carburetor rebuild be certain to examine the old float for damage or corrosion. You can also test your float for leakage to determine if it needs to be replaced. Repairing old floats is difficult, especially in light of the need to avoid increasing the weight of the float with the addition of solder. Adding weight changes the floatation characteristics of the float.

We have one of the Internet’s widest selections of floats including all floats that remain available and many that are extremely hard to find. We have floats for all of the major name brands of carburetors. These floats are made in the U.S.A. and designed and built to the highest quality standards, including both brass and nitrophyl floats. In some applications, both are available to choose between. We do recommend changing all old nitrophyl floats at the time of a carburetor rebuild, and many mechanics change all floats during rebuilds.

From Holley, Carter, and Motorcraft to Stromberg and Zenith floats, we have them all, including a wide selection of Rochester and Marvel Schebler floats. If it is time for a float replacement in your classic car, scroll our selection and find your carburetor float at a price that will make you smile.

Float Problems and Their Diagnosis:

With brass floats, the floating “pontoon” is typically constructed of at least two brass sections soldered together along a seam. Then a tiny hole used to equalize internal and external temperatures is soldered shut to complete the assembly process. Since all of these points are submerged in gasoline during engine operation, leakage problems can later occur at any place that was soldered. Repairing these floats is quite challenging and replacement is usually preferred unless the float is no longer available.

If your engine is the least bit hard starting after it has warmed up, or if your exhaust has a rich gasoline odor, you probably have carburetor problems, and a bad float is one of the possibilities. Other symptoms include poor gas mileage and, of course, if the engine is flooding.

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