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Reply to "3785 Gets a 400 swap, fabbed 180's and fabbed mufflers"

Here are some pics of the welded and finished pipes back in the car.

Here is a shot looking in through the A/C hole in the back of the body.



More shots from above.













Here is the part where I discuss what I would have done differently if I did it all over again.

I was talking to a friend of mine and he mentioned that Headers by Ed has flanges for the 4V heads and MPG port plates.
Purchasing those would have saved some time.

I might consider buying a pre built merge collector from SPD or Cone. That would also have saved some time.

However,both of these options would add to the cost of the headers.

This project took me a little over two months to complete and cost approx $400 in materials.

I hope people have found the 180 header fabrication portion of my thread informative and helpful.

I get a ton of ideas and inspiration from a lot of places and this is my way of giving back.

I will be building a set of undercar 4-1’s also but I am going to take a break for a while to focus on some other things.
That portion will not be as detailed as this segment was but I hope it will convey some good ideas also.
Last edited by pittcrew
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