Quote:
Originally Posted by Justin1983
I have a stock 67 Chevy truck 250. I tried fel-pro gasket twice and I also tried black rtv . I lightly Sanded and made sure everything is clean and smooth. I'm using the blue composit fel-pro gasket. Both times I didn't use and gasket sealer ... I cant get nothing to work it's a light leak. Any ideas or part numbers would be great guys thanks. The thermostat housing where it bolts to the head...
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Are you sure it isn't cracked? I would try another housing. How does the flange on the head look?
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