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SN95 Cobras
MM panhard bar install help needed
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<blockquote data-quote="Mark99GT" data-source="post: 16901269" data-attributes="member: 43741"><p>I did the step bit on the outboard frame rail and it went through it like butter. It's drilling through from the outside to drill the inside frame rails. You send the bit in from the outboard side of the frame rail. So my smaller bits for a pilot hole wouldn't reach and I couldn't see what I was doing. I ended up buying a 3/8 carbide tipped cobalt bit and that chewed right through.</p><p></p><p>However, I royally ****ed up and now need your thoughts. I had the chassis mount u brackets up tight against the bottom of the frame rails when I mocked it up to mark for the drill holes. But the outboard side of the u bracket on both sides is at least 1/4 inch off the frame rail (the u bracket is too wide, so I need to use both included spacers on each side). So when I transferred the markings for drilling I must have angled down because of the gap and "lowered" the holes by about 1/4 on each side. I'm ****ing pissed!!!</p><p></p><p>How can I fix this? I'm not drilling more holes in the car. I'm thinking I either need to have a spacer welded under the frame rails or added to the top of the chassis mount u brackets. But that means the mount sits about 1/4" lower than it's supposed to. Or, more likely, I'm thinking I'll slot the predrilled holes on the outboard side of the u brackets so the whole mount slides up where it belongs. Then hold the bracket in place and drill through to make the inboard u bracket holes. Which would you do?</p><p></p><p>Passenger side</p><p>[ATTACH=full]1789283[/ATTACH]</p><p></p><p></p><p>Driver side</p><p>[ATTACH=full]1789282[/ATTACH]</p></blockquote><p></p>
[QUOTE="Mark99GT, post: 16901269, member: 43741"] I did the step bit on the outboard frame rail and it went through it like butter. It's drilling through from the outside to drill the inside frame rails. You send the bit in from the outboard side of the frame rail. So my smaller bits for a pilot hole wouldn't reach and I couldn't see what I was doing. I ended up buying a 3/8 carbide tipped cobalt bit and that chewed right through. However, I royally ****ed up and now need your thoughts. I had the chassis mount u brackets up tight against the bottom of the frame rails when I mocked it up to mark for the drill holes. But the outboard side of the u bracket on both sides is at least 1/4 inch off the frame rail (the u bracket is too wide, so I need to use both included spacers on each side). So when I transferred the markings for drilling I must have angled down because of the gap and "lowered" the holes by about 1/4 on each side. I'm ****ing pissed!!! How can I fix this? I'm not drilling more holes in the car. I'm thinking I either need to have a spacer welded under the frame rails or added to the top of the chassis mount u brackets. But that means the mount sits about 1/4" lower than it's supposed to. Or, more likely, I'm thinking I'll slot the predrilled holes on the outboard side of the u brackets so the whole mount slides up where it belongs. Then hold the bracket in place and drill through to make the inboard u bracket holes. Which would you do? Passenger side [ATTACH type="full"]1789283[/ATTACH] Driver side [ATTACH type="full"]1789282[/ATTACH] [/QUOTE]
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