O Ring Cylinder Block

Nick bacalis of wild irish engines prefers to install o rings in the block so the heads can more easily be resurfaced.

O ring cylinder block.

Advertisementclick here to read moreadvertisement when installing o rings there are two main considerations for placement. Locating the overlapping portion of the wire he coaxes the end free and using a set of pliers pulls the o ring free from the machined groove. Using the o ring groove cutter with the appropriate register plate an automotive machinist can accurately groove a pair of v 8 heads in just over one hour or a block and heads in approximately two and a half hours. The o ring must be clear of the sealant beads on the head gasket where applicable.

Cylinder heads may be cut without first being stripped as the chips are fully contained in the register plate bores during cutting. This allows for a stronger seal than o ringing. Bhj s o ring groove cutter is the ideal solution for eliminating misalignment when cutting o ring and receiver grooves. He tells you the right way to install the wire and the tolerances you need for a good seal.

This will determine the maximum outer diameter of the o ring. He prefers to install fire rings in the cylinder heads though as seen in this dmpe hemi head left for a screw blown pro mod 521ci engine and an edelbrock gv2 small block ford head right for a 420ci engine running an x275. In this episode professor gasket shows you how to install stainless steel o rings in your block. Installing wire o.

This can be done on any cylinder head which helps the head gasket hold more boost and prevents it from blowing. O ring receiver groove cutter. With fire ringing the stock steel fire ring in the cummins gasket is removed and instead replaced with the mild steel fire rings. Sce gaskets offers the following information about installing wire o rings in the cylinder block.

Starting by removing the old copper wire o rings from the sbc block hunter employs a machinist s pick and a small ball peen.