Hi O people of knowledge, Have been trying to replace the main jets on my spitfire4 but cannot get the seals at the bottom of the float chambers to seal . petrol everywhere, in the Haynes manuel it says metal washer first but in the Rimmer cat it says rubber washer in first .Have tried both ways but still no good seal . Am doing them on the car . is it worth taking them of the car . i have got new seals and new washers. is the washer and seal supposed to fit over the jet tube,which at the moment the washer will not. Hope someone can help . Thank Alan