There should be no need to change the trucks, since British OO (unlike Lionel OO) is 1/76 models running on HO track. Furthermore, the width of the cars will be an almost perfect match for American cars. The British loading gauge is 9 feet. A 1/76 model will appear to be 10 feet 4 inches in 1/87 (HO) scale. The American loading gauge is 10 feet 8 inches, only 2 prototype inches wider on each side.
Bob Nelson
Buddah, While this site tends more to the O and S gauges, I am sure that some here may have some work with OO. You should also post your question on the Model Railroader Forum as they deal in HO and you are more likely to get a answer there. In the morning, on RFD-TV, they have a show "I Love Toy Trains" that will be on Ho and OO. You may find it interesting. From the little I know about these two scales, they should be very close and you should be able to use them side by side, but creating a conversion may be troublesome. You may have to do some fabrication.
dennis
TCA#09-63805
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