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Old 09-07-2010, 10:03 PM
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How much does a 6.9L weigh? / Compression test question

Hi guys,

I can't seem to find a specification for the weight of a 6.9L complete engine... I think my engine stand is rated for 1,200 or 1,800 lbs. (I can't read the sticker any more). If I do end up pulling my engine I need to know if I need a bigger stand. I have a 3 ton chain pull to get it out, so that won't be a problem.

Also, before I make the decision to pull it, I want to do a compression test (see my thread about running low on oil), but I am having trouble finding an affordable compression tester for a diesel application. I actually only found one vendor, and the price was over $200 because it's a kit with adapters for many engine types. Is this par for the course or??? Seems like for that much I should just have a shop do it (if I can find one I can trust ) Seems like I read a thread here that mentioned a compression tester could be had for $40. I found gas engine testers for that price, but they maxed out at 300 psi, and the Haynes Techbook says the 6.9L should read between 220 and 440 psi. Does this range seem right? Huge difference between 220 and 440.
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Old 09-07-2010, 10:19 PM
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Fully dressed they run about 1100lbs. Get the biggest stand you can. Mine is rated for 2000lbs and it sagged pretty good. The comp test range is the lowest should not be less than 75% of the highest (some have seen up to 550psi). Spend more for a better tester, some of the cheapies don't last for more than a few cylinders.
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Old 09-07-2010, 10:33 PM
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mine went closer to 1400lbs without any acc. 2 ton engine hoist picked it up easy, motor stand drooped front of motor 3" while on it.
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Old 09-07-2010, 10:37 PM
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1400 lbs? thats excessive man. did you scale it out? that seems a couple hundred lbs overweight.
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1990 F-350 LARIAT 4x4 7.3L IDI diesel ZF5. 1992 front with cowl induction hood, 1997 doors and tailgate. 2004 6.0l intercooler, PSD heated power and signal mirrors. AMSOIL bypass system, full synthetic system. 5.38's, 46" tires, 20" wheels, 12" lift with shackle reversal front, shackle flip rear. Ladder bars in the rear, 2" hydraulic assist steering, hydroboost brakes, onboard dual compressor air system. twin air horns, black interior, 100 gallon in-bed tank. 94 IDI-T motor, SMF conversion.
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Old 09-07-2010, 11:01 PM
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no just a close guess as to how much it squated my truck with it in bed. it was still full of oil though.
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Old 09-07-2010, 11:17 PM
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24 lbs or so for oil, 32 lbs for water in the block. i know my turbo engine was murder on the lil mazda b2300 when i picked it up lol but im not sure a weight. my scale only goes to 600 lbs so i cant get a weight on it. i know my loaded heads are 95 lbs each.
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1990 F-350 LARIAT 4x4 7.3L IDI diesel ZF5. 1992 front with cowl induction hood, 1997 doors and tailgate. 2004 6.0l intercooler, PSD heated power and signal mirrors. AMSOIL bypass system, full synthetic system. 5.38's, 46" tires, 20" wheels, 12" lift with shackle reversal front, shackle flip rear. Ladder bars in the rear, 2" hydraulic assist steering, hydroboost brakes, onboard dual compressor air system. twin air horns, black interior, 100 gallon in-bed tank. 94 IDI-T motor, SMF conversion.
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Old 09-07-2010, 11:24 PM
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I put my spare on a scale. Without alternator but everything else on, it scaled at 1291 lbs. It is a 1983, and I hear that 1985 and up are heavier due to internal stress webbing.
http://www.ford-trucks.com/forums/pi...528763&thumb=1
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Old 09-07-2010, 11:30 PM
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http://www.ford-trucks.com/forums/picture.php?pictureid=44155&albumid=10306&dl=1282528763&thumb=1[/IMG]
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Old 09-09-2010, 05:23 PM
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Quote:
Originally Posted by Ford F834 View Post
Hi guys,

I can't seem to find a specification for the weight of a 6.9L complete engine... I think my engine stand is rated for 1,200 or 1,800 lbs. (I can't read the sticker any more). If I do end up pulling my engine I need to know if I need a bigger stand. I have a 3 ton chain pull to get it out, so that won't be a problem.

Also, before I make the decision to pull it, I want to do a compression test (see my thread about running low on oil), but I am having trouble finding an affordable compression tester for a diesel application. I actually only found one vendor, and the price was over $200 because it's a kit with adapters for many engine types. Is this par for the course or??? Seems like for that much I should just have a shop do it (if I can find one I can trust ) Seems like I read a thread here that mentioned a compression tester could be had for $40. I found gas engine testers for that price, but they maxed out at 300 psi, and the Haynes Techbook says the 6.9L should read between 220 and 440 psi. Does this range seem right? Huge difference between 220 and 440.
COMPRESSION TESTER HARBOR FREIGHT 19.99 149.99

the 19.99 1 will test most anything us Hobby guys will ever do. But the 149.99 wil test virtually every diesel ever built LOL
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Old 08-09-2014, 10:38 PM
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I need to no how much my 91 7.3 weighs so I don't drop it when I pull it.i plan on pulling it complete. can someone tell me
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Old 08-09-2014, 11:08 PM
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ranger_nog hairyboxnoogle
It says in the top of the thread... A factory turbo 7.3 weighs around 1250 fully dressed. NA engine would be around 1100-1200.
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Old 08-09-2014, 11:08 PM
 
 
 
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