L78 Holley Rebuild... - The Supercar Registry

#26

03-27-2008, 02:53 AM

VintageMusclecar VintageMusclecar is offline

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Re: L78 Holley Rebuild...

Next issue was the Borg/Warner needle & seats that had been previously installed. These units are responsible for more junked float bowls than I can count.

The problem lies with the extra threads below the groove for the O-ring--if this type of needle & seat is threaded too deeply into the float bowl, it will cut threads into the boss where a normal Holley needle & seat seals with its O-ring, thereby ruining the bowl.

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