I am trying to down load a DCR Calculator with no success. My eng is a 70 block 455 bbb I have KiethBlck hyper tech pistons pn KB357 step dish design Bore is 4.3425(.030overbore) Comp HT 2.010 OE Deck HT 10.570 SD 26.7 cc Head cc 64 ta Stg 1 alum Comteck gsk .027 4.350 Cam TA 288-92h Degree at. 105.5 in opening at 9 degrees btdc closing at 40 degrees abdc at .050 Ad duration intake 288 in 292 ex actual on degree wheel at 0.050 in 229 ( 231 on card) 233 ex (233 on card) My calculation are 288/2=144-105.5=38.5. 288-180=108-38.5=69.5 Can you help me and run the numbers through your DCR Calcultor and give me comp ratio and scr Thank you I would love to have this calcultor on my computer but cannot get it to open lol
Sure Bill, Not sure if your machine shop did a clean up cut on the deck? 1/2 stroke + rod length + compression height = 3.9/2 + 6.6 + 2.01 = 10.56. With true 0 deck, Cam timing, Dynamic Stroke length, DCR,