If I reverse this formula can I figure out angle in degrees without an
inclinometer (right word?)?
WR Teto wrote:
> Mark, the way it is usually done is to place the engine at the same angle as
>the pitch of the rear
> end. Do not use the drive shaft as a guide, as the rear end and engine may
>be at the same angle,
> but in different planes. Usually GM products are about 1-3 degrees pitch
>backwards from horizontal.
> I set up my rear end this way, and then when I put in my motor mounts, I set
>them so that I had a
> 2-1/2 degree pitch, measured by placing an electronic protractor on the carb
>intake mounting face.
> If you don't have a convenient way of measuring the angle, it can be
>calculated by the formula:
>
> angle in degrees (SIN) x 12 = height of the slope per foot
>
> That will give you the slope per foot. Just punch in the angle on any
>calculator that has trig
> functions, then hit the SIN key and multiply the result by however many
>inches you want to measure
> the slope. For example, 2.4 degrees comes out to approximately 1/2" slope
>every 12". So you could
> shim a 12" level with 1/2" and that would be the pitch of the engine.
>Keeping the motor and the
> rear end at the same "pinion angle" will help extend the life of the u-joints.
>
> For those that watch shows like Horsepower TV, I believe they used this
>method on one of their
> engine set-ups.
>
> Wally / Templeton, MA
>
> > Question:
> > How are you supposaed to position the engine to get the carb setting the way
> > it should? I always thought you wanted the carb throat surface to be
> > horizontal. But, if the TH-30's pan surface isn't paralell to the ground,
> > won't this cause problems?
> >
> > Any feedback will be appreciated.
>
> oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959
oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959
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