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post #1 of 2 Old 08-15-2013, 10:15 PM Thread Starter Rookie
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no start head scratcher

Hey guys.. I need some ides on this 7.3 in my shop. It's an 02 F350 with 295k on it. The customer says it had been running rough/missing but would start and run. One day about 2 mos ago, he had it running and it shut off and would not re-start. I towed it in to my shop yesterday, charged the battery's and tried to get it going, but no dice. It cranks like it's out of time/ no compression. I gave it a squirt of WD-40 and nothing. We then pulled the intercooler pipes to find one of those tornado vortex things stuffed into the spider and it had broken into pieces. We pulled the spider to chase the chunks of stainless for the tornado and found a couple chunks laying on the screens in the intakes. while we had the straight shot at the ports, we tried another shot of ether and it didn't even make an effort to cough. Thinking it had maybe bent the pushrods, we pulled the covers only to find everything to appear normal. Everything moves as it should when cranking, but still turns funny. Is it possible that the rings went dry from sitting for 2 mos to create this sound of no compression? I don't have a compression gauge for a diesel so that hasn't been tested. Thanks in advance for any help! Chad
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post #2 of 2 Old 08-17-2013, 08:34 AM Fanatic
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Really, ether? You say you are a professional mechanic? You don't use ether in these engines. A quick way to crack a ring or a piston is to use either in an engine with glow plugs. Where are you located, becuase I don't ever want you to touch my truck or any of my clients trucks. If you don't know how to work on a diesel then you shouldn't do so. There are a few possibilies on what the problem could be, but if someone posts the fix for you are you going to pay them a portion of what you are charging your customer? This is a forum to help those who want to turn wrenches themselves, not a shop that doesn't want to pay for manuals. It's too bad your customer doesn't know you put ether in ther 7.3 because they cant hold you responsible for any engine damage that you have done.


99.5 F-250 4x4, 7.3 PS
State 1 injectors from Rosewood, GT38 (van) turbo, S&B intake, Comp Cam's 910 valve springs, Smith Brothers pushrods, AIH delete TS 6-position chip. Pyro.

2005 front end conversion, 2008 tailgate, taillights, and rear bumper.

Future Mods:
Edge CTS monitor, and 4" Exhaust (Manufacturer to be determined).
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