Popular Post j hancock Posted January 27, 2015 Popular Post Share Posted January 27, 2015 Looking under the hood of a 1929 Bulldog. 7 Quote JimIt doesn't cost anything to pay attention. Link to comment https://www.bigmacktrucks.com/topic/38622-1929-mack-ac-bulldog-engine/ Share on other sites More sharing options...
Gmerrill0516 Posted January 27, 2015 Share Posted January 27, 2015 It's interesting that they mounted the magneto out in front and at 90 degrees to the engine. It's a tandem truck too which is really cool. Do you have a picture from the side at a distance? Cool truck. Quote Link to comment https://www.bigmacktrucks.com/topic/38622-1929-mack-ac-bulldog-engine/#findComment-276246 Share on other sites More sharing options...
j hancock Posted January 27, 2015 Author Share Posted January 27, 2015 Here is a link to more pictures. It is an interesting truck.http://www.bigmacktrucks.com/index.php?/topic/37529-1929-mack-ac-dual-drive/?hl=%2Bdual+%2Bdrive 1 Quote JimIt doesn't cost anything to pay attention. Link to comment https://www.bigmacktrucks.com/topic/38622-1929-mack-ac-bulldog-engine/#findComment-276250 Share on other sites More sharing options...
Vladislav Posted January 27, 2015 Share Posted January 27, 2015 It's always nice to look over tough components of an old school machine building.Haven't you had more pics of the ass area drive tandem setup?Not much is shared around the net on this matter. Quote Никогда не бывает слишком много грузовиков! leversole 11.2012 Link to comment https://www.bigmacktrucks.com/topic/38622-1929-mack-ac-bulldog-engine/#findComment-276276 Share on other sites More sharing options...
41chevy Posted January 27, 2015 Share Posted January 27, 2015 The 90 degree drive on the front drives of the crank driven oil pump and drves through a worm gear the Magneto and the Water Pump. Simple and compact witrh only two major parts to get wear. The rubber hose the they replaced the copper tube with is a constant flow of oil to the cylinder head oil heater tank. (see last photo)The engine in the top photos has the early gas primer cups on the heads, two of mine have that both pre 1930.AC 6 ENGINEAC 6 EngineLook at the oil diagram, it has an "oil tank" cast on the front cylinder head to heat the oil when it is cold out. Oil system is a Full Pressure with pump driven of the nose of the crankshaft ...just like modern Chevy V-8s. Quote "OPERTUNITY IS MISSED BY MOST PEOPLE BECAUSE IT IS DRESSED IN OVERALLS AND LOOKS LIKE WORK" Thomas Edison “Life’s journey is not to arrive at the grave safely, in a well preserved body, but rather to skid in sideways, totally worn out, shouting ‘Holy shit, what a ride!’” P.T.CHESHIRE Link to comment https://www.bigmacktrucks.com/topic/38622-1929-mack-ac-bulldog-engine/#findComment-276277 Share on other sites More sharing options...
j hancock Posted January 27, 2015 Author Share Posted January 27, 2015 Some more rear drive pictures. 1 Quote JimIt doesn't cost anything to pay attention. Link to comment https://www.bigmacktrucks.com/topic/38622-1929-mack-ac-bulldog-engine/#findComment-276285 Share on other sites More sharing options...
41chevy Posted January 27, 2015 Share Posted January 27, 2015 See it has a Disc Brake adapted between rears in the 2nd and 3rd pics. Interesting idea. Can't see if it's a mechanical parking brake or an hydraulic disc "road" brake. Quote "OPERTUNITY IS MISSED BY MOST PEOPLE BECAUSE IT IS DRESSED IN OVERALLS AND LOOKS LIKE WORK" Thomas Edison “Life’s journey is not to arrive at the grave safely, in a well preserved body, but rather to skid in sideways, totally worn out, shouting ‘Holy shit, what a ride!’” P.T.CHESHIRE Link to comment https://www.bigmacktrucks.com/topic/38622-1929-mack-ac-bulldog-engine/#findComment-276295 Share on other sites More sharing options...
vision386 Posted January 28, 2015 Share Posted January 28, 2015 Does anybody have any idea what color a factory AC engine is? I have an upcoming model project,and have never seen anything but black&white photos of new AC engines. Best I can tell seeing a restored AC is that they were either gray or a darker smoke gray? These are some great detail pictures however!......................................Mark Quote Mack Truck literate. Computer illiterate. Link to comment https://www.bigmacktrucks.com/topic/38622-1929-mack-ac-bulldog-engine/#findComment-276319 Share on other sites More sharing options...
41chevy Posted January 28, 2015 Share Posted January 28, 2015 Parts of mine under a few of the gaskets were Dark Grey/ BlackAlso have seen them dark green, light green and Chassis color. But all my info and disassembly shows the Dark Grey/ Black. Good color match is a Floquill Grimmy Black Rail Road Color. I posted a color chip last pic. First 2 photos are AARON's Logging Close to the OEM color. Last photo is a 1923 MACK display engine, Supposedly pretty original. Quote "OPERTUNITY IS MISSED BY MOST PEOPLE BECAUSE IT IS DRESSED IN OVERALLS AND LOOKS LIKE WORK" Thomas Edison “Life’s journey is not to arrive at the grave safely, in a well preserved body, but rather to skid in sideways, totally worn out, shouting ‘Holy shit, what a ride!’” P.T.CHESHIRE Link to comment https://www.bigmacktrucks.com/topic/38622-1929-mack-ac-bulldog-engine/#findComment-276345 Share on other sites More sharing options...
j hancock Posted January 28, 2015 Author Share Posted January 28, 2015 See it has a Disc Brake adapted between rears in the 2nd and 3rd pics. Interesting idea. Can't see if it's a mechanical parking brake or an hydraulic disc "road" brake.I believe it is parking brake but not 100% sure. Quote JimIt doesn't cost anything to pay attention. Link to comment https://www.bigmacktrucks.com/topic/38622-1929-mack-ac-bulldog-engine/#findComment-276383 Share on other sites More sharing options...
james j neiweem Posted January 28, 2015 Share Posted January 28, 2015 Looks like the camel back went back to 1929 at least. Quote Link to comment https://www.bigmacktrucks.com/topic/38622-1929-mack-ac-bulldog-engine/#findComment-276405 Share on other sites More sharing options...
41chevy Posted January 28, 2015 Share Posted January 28, 2015 I believe it is parking brake but not 100% sure.Never saw that on any AC AK Chassis, saw them on some military trucks, HMMV's and mid 50's 60's Mopar trucks and on some 4x4 transfer cases. Like to know how it was done. Quote "OPERTUNITY IS MISSED BY MOST PEOPLE BECAUSE IT IS DRESSED IN OVERALLS AND LOOKS LIKE WORK" Thomas Edison “Life’s journey is not to arrive at the grave safely, in a well preserved body, but rather to skid in sideways, totally worn out, shouting ‘Holy shit, what a ride!’” P.T.CHESHIRE Link to comment https://www.bigmacktrucks.com/topic/38622-1929-mack-ac-bulldog-engine/#findComment-276409 Share on other sites More sharing options...
Popular Post Swishy Posted January 28, 2015 Popular Post Share Posted January 28, 2015 Cya§wishy 4 Quote Link to comment https://www.bigmacktrucks.com/topic/38622-1929-mack-ac-bulldog-engine/#findComment-276411 Share on other sites More sharing options...
j hancock Posted January 28, 2015 Author Share Posted January 28, 2015 Never saw that on any AC AK Chassis, saw them on some military trucks, HMMV's and mid 50's 60's Mopar trucks and on some 4x4 transfer cases. Like to know how it was done.I will look more closely next time I see the truck and try for some better pictures of the brake setup. Quote JimIt doesn't cost anything to pay attention. Link to comment https://www.bigmacktrucks.com/topic/38622-1929-mack-ac-bulldog-engine/#findComment-276415 Share on other sites More sharing options...
41chevy Posted January 29, 2015 Share Posted January 29, 2015 Cya§wishyNice shot of the Christe dual kit and chain guards. ! Both pretty rare. Quote "OPERTUNITY IS MISSED BY MOST PEOPLE BECAUSE IT IS DRESSED IN OVERALLS AND LOOKS LIKE WORK" Thomas Edison “Life’s journey is not to arrive at the grave safely, in a well preserved body, but rather to skid in sideways, totally worn out, shouting ‘Holy shit, what a ride!’” P.T.CHESHIRE Link to comment https://www.bigmacktrucks.com/topic/38622-1929-mack-ac-bulldog-engine/#findComment-276451 Share on other sites More sharing options...
steelman Posted February 1, 2015 Share Posted February 1, 2015 41 Chevy, the picture of an AC engine and radiator on a channel frame engine stand, is that an early 3 speed radiator tank top with modified radiators? I was thinking of doing something similar for one of my 3 speeders that need radiator coils (the round type). Where was this picture taken? Quote Link to comment https://www.bigmacktrucks.com/topic/38622-1929-mack-ac-bulldog-engine/#findComment-276969 Share on other sites More sharing options...
41chevy Posted February 1, 2015 Share Posted February 1, 2015 41 Chevy, the picture of an AC engine and radiator on a channel frame engine stand, is that an early 3 speed radiator tank top with modified radiators? I was thinking of doing something similar for one of my 3 speeders that need radiator coils (the round type). Where was this picture taken? Yes it is. The radiator were modified to use early brass tank. The display set up was built as I was told in the teens for military training and Resto moded in the 2000's. The photo is from Mahans in Jersey. I.m going down in March to photograph and measure the AC/Christe track conversion so I'll take more detailed photos of the demo engine Quote "OPERTUNITY IS MISSED BY MOST PEOPLE BECAUSE IT IS DRESSED IN OVERALLS AND LOOKS LIKE WORK" Thomas Edison “Life’s journey is not to arrive at the grave safely, in a well preserved body, but rather to skid in sideways, totally worn out, shouting ‘Holy shit, what a ride!’” P.T.CHESHIRE Link to comment https://www.bigmacktrucks.com/topic/38622-1929-mack-ac-bulldog-engine/#findComment-276971 Share on other sites More sharing options...
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