mike schafer Posted May 8, 2011 Share Posted May 8, 2011 Looking for Cylinder heads for a 1947 Mack 75 fire chassis. Truck is used in Parades and his owned by the Tallmadge Ohio Historical Society. The Engine serial # is ENF510a-28-15. The truck runs, But we have a cracked front head in front near the water pump. Contact Mike Schafer@ mpschafermi@sbcglobal.net or phone 330-633-0339. Thanks! Quote Link to comment https://www.bigmacktrucks.com/topic/19007-cylinder-heads-for-enf510a-motor/ Share on other sites More sharing options...
Firemack Posted May 9, 2011 Share Posted May 9, 2011 MikeThat was common problem on the small block Mack Thremodyne engine. I emailed you with the contact info for Nationbal Gear and Piston that remanufactured our ENF 464 head in 2002 and is still working fine.Firemack Quote Link to comment https://www.bigmacktrucks.com/topic/19007-cylinder-heads-for-enf510a-motor/#findComment-77531 Share on other sites More sharing options...
Rob Posted May 9, 2011 Share Posted May 9, 2011 Looking for Cylinder heads for a 1947 Mack 75 fire chassis. Truck is used in Parades and his owned by the Tallmadge Ohio Historical Society. The Engine serial # is ENF510a-28-15. The truck runs, But we have a cracked front head in front near the water pump. Contact Mike Schafer@ mpschafermi@sbcglobal.net or phone 330-633-0339. Thanks!That head can most likely be repaired but will be expensive. This is of course unrelated if you can't find a replacement. A 55% nickle filler works well on cylinder heads but the technique has to be correct with pre, and post heating to avoid stess cracking. Most competent machine shops can perform this function followed by an "old time" automotive machine shop for second operations. Of course if you can find a shop that works all inclusive, they could handle the job complete. Rob Quote Plodding along with no job nor practical application for my existence, but still trying to fix what's broke. Link to comment https://www.bigmacktrucks.com/topic/19007-cylinder-heads-for-enf510a-motor/#findComment-77534 Share on other sites More sharing options...
mike schafer Posted May 10, 2011 Author Share Posted May 10, 2011 You guys are great! Thanks for the help. Quote Link to comment https://www.bigmacktrucks.com/topic/19007-cylinder-heads-for-enf510a-motor/#findComment-77586 Share on other sites More sharing options...
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