Jerry E. Howell Model Project Plans & Kits
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(World Wide Supplier of Quality Model Project Plans & Kits Since 1992)



"Howell V-4 Engine" Optional Manifold Castings

Intake Manifold

Step 1 - Mill the throttle mounting surface.


Step 2 - Mill the manifold bottom surface.


Step 3 - Mill the flanges a little at a time and testing the fit on the engine using
the jig and a 45 degree triangle. Be sure the rotational cutting force is in the
same direction the casting is leaning as shown.

Exhaust Manifolds

Step 1 - Mill the head flanges using a "V" block - don't crush the casting with
the clamp! Be sure the rotational cutting force is in the same direction that the
casting is leaning as shown.



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