Engine Block Deck Plates
Block torque plates gm ls engines billet aluminum 4 200 in.
Engine block deck plates. Gm took a chance with the ls engine. For small big block engines of 500 cubic inches or less it can offer some unique advantages. Due to the cylinder sleeves taking away displacement via the. An open deck is one of the most common designs found in lower horsepower aluminum blocks.
They stayed true to the pushrod small block and continued to develop this technology to the point that building a daily driven 500 plus hp car is no big deal. D j precision machine enforcer deck plate long block. Our enforcer 6 7 deck plate cummins comes fully assembled from oil pan to d j billet led valve cover. Here you can see the 1 inch steel deck plate scheid uses in most of its high end 6 7l based cummins builds.
Mcinnis goes on to add some additional detail to this short deck block application. This plate will hold the cylinder liners and allow for internal dimensional chang. Thick fits lsx erl rhs and all oe ls engine blocks each not yet reviewed part number. An example where this deck height would help is world s 9 500 inch deck merlin iv big block.
Production cast aluminum block with iron sleeves. 6 bolt steel main bearing caps with dowel pins. There was never a factory oe block made in this configuration. Performance cummins long blocks can be painted any color and are shipped.
All d j precision machine performance long blocks are blueprinted balanced oil clearance measured rings file fit. The bottom plate will slide over the the bottom of the. The primary purpose of the deck plate is to limit cylinder bore distortion which can become worrisome in an engine with a stroke as long as what the cummins uses. It is the easiest to manufacture and provides the overall best cooling efficiency due to the coolants ability to make full contact with the surface area of the upper portion of the cylinder.
Well the top deck plate that the head bolts to will be machined so the upper lip of the cylinder sleeve presses right into the deck plate. Cylinder heads and blocks may need to be resurfaced to restore flatness or to improve the surface finish or milled to change the deck height for a variety of reasons advertisementclick here to read moreadvertisement the deck surface on the head or block may need to be resurfaced if the surface isn t smooth or flat.