So I have decided to go ahead and turbocharge the 250. Though I have signs of blow-by, I am going to let the motor eat, mostly because I already have bought most of the turbo set-up, and I can't justify rebuilding the 250 if I am not sure I will be satisfied with the end result, and I have a 351W needing the same amount of work plus some goodies sitting. I really wanted to try to utilize my header with a J-pipe, nothing fancy, only the Scott Drake 6-1 header, but I really see no easy approach to using it. I know I could do it if I took drastic measures, like ditching PS, and column shifter, routing turbo and header pipe on the driver side in place of PS pump, but is it worth all that when I can simply use the oem cast unit with a simple 180 degree J pipe? Really, how much would I gain by using the header, or does the pipe length likely negate the efficiency of the header vs log? I also am trying to come up with a simple carb hat solution, I am very limited in hood clearance, no commercial offerings will work.
log exhaust manifold vs. tubular header
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I cant imagine running a pressurized box. Everyone I know who has run those has had problems getting them to seal properly.
A carb box is a bad idea, and is usually about as high as a carb hat anyhow. There are some fairly short hats out there, and there is a possibility you can mill one down. Might just have to have a clearance hole in the hood.
Steel tubing in the thicknesses used for N/A headers will crack and break quickly when exposed to the heat, weight and vibration of a turbo. Don't do it.
Steel tubing in the thicknesses used for N/A headers will crack and break quickly when exposed to the heat, weight and vibration of a turbo. Don't do it.
