Let the ride decide Quote:
I see part of the steering column for a 56, how would it be different for a 55?
I believe that the headers can be installed from below, so there is no issue with any part of the steering. In other words, the steering would stay in place. The exhaust manifolds, starter/solenoid and head pipes would be removed for installation, but not the steering.
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I assume this is all one piece, how do you put one on with everything bolted together? Is there any weight/stress issues, if one piece, vrs stock system?
For ease of installation, each side will probably be two sections connected with a flange connector probably right behind the engine where the 3 pipes come together.
The headers are not going to weigh much more than the cast iron exhaust manifolds, so there should be no weight/stress issues.
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Not being informed on such things, what does this do for the engine? What do you do to the rest of the exhaust system?
The only real downside is that you will lose the thermocoil valve between the driver side exhaust manifold outlet and its head pipe. Except in Winter, if you even drive your Packard then, cold start up will take longer to warm the intake manifold without this valve. This is a normal deal when using headers. Initial start when cold will not be affected as this is mostly determined by the carb choke.
The upside for the engine is one of efficiency on the exhaust cycle as it is with any improved exhaust system. This translates to more torque and HP and maybe even a little better gas mileage. Full throttle peak power should go up at least 25HP.
You could use the existing dual exhaust system, if so equipped (most are). Upgrading to high performance mufflers will add even more efficiency (power). That's up to you.
Craig
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