Two 75 Imperial Questions -- Vinyl Top Removal and Cam Profile

[Elijah Scott <imperial1971@xxxxxxxxx>]

--- John M Bittner <jmb@xxxxxxxxxxxxx> wrote:
> of this flow process is critical. The H pipe
> helps to propagate this flow pattern at low RPM's
> by alternating flow paths down two separate pipes.
>  It is amazing how much a well tuned set of pipes
> can increase the horsepower and torque of an engine.

I can vouch for this fact.  I drove my '71 Imperial
for a couple of years with just dual exhaust and no
crossover pipe.  Later on, while having some other
tweaking done to the exhaust system, I had the
crossover pipe added in.  The difference was
immediately noticeable.

Elijah

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