Machine shop owner/operator sense 1970
rebuilt 239 all new valve train/new exh. Seats.
Mis fire on # 4/#7/ no vac leaks/comp. 110# all, plugs out/12v batt. 6v starter. #7 had 75# idling/ reground 4 valves/seats #4/#7
mis fire continues. Added .030 shim to springs on all.can valve guide seal...
Thanks fpr reply tinker,i failed to state that block is mounted on engine stand/old pumps/2 heads/water outlets installed/2 flexhoses on pumps wired upward to outlet level/ready for acid. Block jacket blown clear of all loose rust/run thru jet cleaner/ready for acid. How long for soak? How much...
Heavy rust in cooling jacket. Have engine ready for muriatic acid soak. My dad did this several times thru the years of restoring antique engines. I dont remimber how long to let soak-what to neutralize with. Have in well ventlated area(outdoors). Will use all precausions required to be...
Owner/operator of motor machine shop started by my dad in 1963.
Reworking 1953 f100 239. Crank fordging #eab. Cannot find this number in old cranshaft spec. Books.what do i have? Also eckler has discontinued exh. Crossover pipe.any sugestions on who to try next.