zacknolden

My observation would be you probably damaged them when you are installing the bulbs. If you did, they probably wouldn't work at all. I'm pretty sure you have either too much juice, which could be caused by the wrong kind of fuse in the car, or a surge problem. _____________________________________ All about Autopartswarehouse.com

These stuffs often give me problems I almost got 5 of 'em in a single row. Carbon deposits build up when the plug fails to fire correctly and burn them off. _____________________________________ My Auto-in-Demand Blog

Try online retailers. Some people also sell through ebay but just be careful. Since you have quite a vintage model car. ____________________________________________________ Zack's Autopartswarehouse Blog