John in Vegas Posted October 14, 2010 Share Posted October 14, 2010 I have a 78 dt175 thats been in the family since new. I dont think Dad had any overbores done. can someone tell me what the std piston size is so I can compare measurements? Thanks Link to comment Share on other sites More sharing options...
Moderator Cynic Posted October 14, 2010 Moderator Share Posted October 14, 2010 I have a 78 dt175 thats been in the family since new. I dont think Dad had any overbores done. can someone tell me what the std piston size is so I can compare measurements? Thanks Same as its always been since the first 175, 66.0mm 3 official oversizes at .25, .5 and .75, the aftermarket do upto 2.0mm extra. Link to comment Share on other sites More sharing options...
John in Vegas Posted October 15, 2010 Author Share Posted October 15, 2010 Same as its always been since the first 175, 66.0mm 3 official oversizes at .25, .5 and .75, the aftermarket do upto 2.0mm extra. Thanks. I found it on my own before getting back here. I hope to have this 30 year old beast running within the next 2 weeks. Link to comment Share on other sites More sharing options...
Recommended Posts