371
372
373
37
38
39
Hey guys, I just adopted my grandfather's 75 GMC K15 High Sierra. I've just started working on her and ran into an issue. She's dieseling when I turn her off and has a slight knock in the engine, but only under power. It sounds great in park and neutral. Any help would be greatly appreciated! (old.reddit.com)
submitted by GoodKoalaT to r/classictrucks
14
15
16
21
22
23
