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Original Message
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RE: Thanks John, what's the p/n? |
By John - 07/28/2002 7:56:02 PM; IP 142.177.75.103 |
OK...here goes:
1/ The ports on the manifold are tall and narrow. When they match up, the top and bottom of the cylinder head is in the way for air flow. The sides of the manifold port overlap the head material for an outwards "step" and does not seriously hinder airflow. I no longer have details as to the measurements of the manifold ports, but I remmebr they really didn't match up with any head dimensions I could find literature on, though one type was close.
2/ Offenhauser 5880 is the P/N I have. Can't remember if that was for a set or individually, but I think it was each. I can't remember the price. I checked and they are 1/2 inch think and move the carbs back 1/2 inch. They have two oblong holes for each carb. Each hole is "angled" so that it matches with the carb on top and the intake in the bottom. They are ugly as the outline of them neither matches the carb or the manifold. They hangover the manifold in weird places. They just do not appear to be an upwards "extension" of the manifold and look a bit bad cosmetically.
3/ It might fit. I went and made rough dimensions. Looks like the mallory dist is about 3.5 inches in dia, and that there is still about 1/2 inch of clearance. This should allow for a 4.5 inch diameter dist. Keep in mind, it isn't an easy measurement to make as you are measuring from the Holley float bowl to a dist cap which is usually tapered (i.e. narrower at the top than at the bottom)
If you really want this manifold and all that's stopping you is your dist, just get a different dist. I don't recommend Mallory. They are poorly made. The gear is sloppy on the shaft, the oil ring groove is too deep which allows oil leakage around the dist, the split pin will break under the load of a HV oil pump (Mallory has admitted this), the points need constant adjustment and cleaning....etc. But a Ford unit should be "almost free". |
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