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Put on headers and loss the weight. An engine dino is not the tell all and never will be. To many people put to much into what dino readings...
How long the collectors are may also have some bearing on location.
Unless you are a purist what difference would that make? If it works do it.
Because " stock " is not a recognizable term. Now if one was doing a connoisseur to original engine build everyone would know what it was.
Its a Hemi grind Crane in a BB.
I think Felpro
Think I went to cork and rubber on the last set of valve cover gaskets. Never had a problem with deuteration in 160000 leak free miles with HP...
Just what's wrong with drone?
If I can do it on the front lawn you can surely do it in a garage.
I used the stock cast manifold studs with the exception of header tube interference. Header bolts were then used were required.
It kills 2 cylinders ( 1 & 3 ). I think you will find a better design if you look at the old hemi small cube exhaust.
Drop 1 to 3, 5 to 7 and 1-3, 5-7 to collector going up in pipe size with every pipe joining. Joining cylinders at the port would be no better than...
Neibors on both sides are now gone. Closest one approximately 600 feet away. I might be able to get by with open headers but doubt it.
What pipe dia.
I had 3" Ford tractor mufflers 36" just to loud. Though about 3" hornies and figured nothing would change.
I believe 3/8" dia x 1-1/2"
A pipe wrench will out preform visegrips any day
If you just got to have bolts. Header bolts or srainless steel.
Even with headers use all the studs you can. They hold the gasket in place and...
Do not know about the years between but the 72 Plymouth FSM shows resonator on some 340 setups.
[ATTACH]- - - Updated - - -The is out of the 68 Plymouth FSM
Will find the picture in the FSM and post it. installs in the tail pipe.