I installed headers on my 67 camaro about 15 years ago. I had to dent one of the tubes, for the steering box. When I drive my car on the highway I feel vibrations in the steering wheel. After frontend alignments and tire balancing, I go back to the header/steeringbox dilemma. Some one told me that I might want to buy "tight tubes" or "Block hugger" headers, to remedy this. Or should I try to dent the tube more??? The headers are about 10-15 years old.
Thanks
Barry

I would try to stick a piece wood?, or something between the header and steering box and then drive down the street and see if that changes anything. Has it always vibrated? I would'nt think anything has changed there unless your motor mounts have weakened to the point that there is contact now.

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Steve
67 SS 396,4-sp
67 RS 327,4-sp
72 RS 350/350
69 4X4 suburban 350,4-sp
73 3/4 ton 454/400
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It has always had a vibration going down the highway. And the headers have been on for a while. So my guess is the headers vibration on the steering box