47-55.1 Cast header question

[dsraven]

welcome to "mock up" stage. it's always install, remove, install, remove. always nice to install for the last time. marking the spot and removing the engine will get you a better job that you will like a lot more and it will look a lot better. post up some pics of the process.

[leegreen]

If the top of hole is tight, consider a healthy bevel to the hole/welded in frame there so if the flange does hit it is a gradual pinch rather than a sudden hard stop that might break your header. I think dsraven suggested that above

[leegreen]

and think about your exhaust design, it appears that the downpipe on that side might need to get angled up into that hole before you bolt it on. So if the final exhaust is a tight fitting Y or X pipe you might need a slip joint or band clamp on one side to allow the two manifold connections to be lined up or disconnected one at a time.

[51 3600]

Originally Posted by dsraven

welcome to "mock up" stage. it's always install, remove, install, remove. always nice to install for the last time. marking the spot and removing the engine will get you a better job that you will like a lot more and it will look a lot better. post up some pics of the process.

This is all I've been doing last 3 months or more. Mostly fixing work done by others that I discovered wasn't right. Then each of my fixes points to other problems needing a remedies. Frustrating as these constant interruptions are to my plans I've learned to hark to the words of C. S. Lewis:

“The great thing, if one can, is to stop regarding all the unpleasant things as interruptions of one's 'own,' or 'real' life. The truth is of course that what one calls the interruptions are precisely one's real life -- the life God is sending one day by day.”

Back to the wrenching life. And thanks dsraven and leegreen for the help.

[Kermitt47]

Here is another solution for the exhaust clearance I borrowed from the YouTube site of the Idaho Fabricator. On his 53 Chevy frame he used a piece of pipe in the boxing (think C notch only running top to bottom) to give the clearance and not give up any strength.