Thread: Changing Deck height

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no B.S i deck them all the time .here is a tip from a guy that builds them in a shop check line bore first . if engine needs a line bore crank can go up in the block by .005 or more if hurt .were the piston sits in the block has much to do the piston CD Comp distance or called C H Comp heigth of built piston get you pistons first . i have seen them not all to be the same mahle come to mine on this . like gary said it over 20 years old less it,s a stock engine with STD bore i would bet that has been deck evey engine i do get decked even the new block .first you start knowing what you have deck height in a prefect world you would have a block that .s 9.025 and decks with a good finish from GM and is true to cam and crank center line this this should be under line as you can find blocks off side seen this many times . so true block is far from the case this is the block you build your house off of so to speak every thing from side to side is off it will affect to push rods and how the heads sit on the block if you have any question on how machine work is done or how it will effect your build just ask Jerry if still on here or me will tell you the no BS were the only ones that have the machines and deck blocks on here as for the deck and for quench may want to think about your head gasket they can be up to .051 thick with the seam hole to 053 thick you did not say with CR your build here or if your going to spray it but the mild build ROL are good head gasket s hg31250ht 046 or the felpro f1014 on builds were power adders are use or hi CR i use Cometic they come in 040...051..060..thick the finish need to be very smooth were you may ask the shop you use if they can get the finish with there mill like a CBN or carbide broach machine can do i have both