how to do a compression test on 7.3 powerstroke|7.3 powerstroke compression tester : retailer Compression testing the parts truck engine and more progress stripping the truck down.
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You want to do the test with all glow plugs out and test one cylinder at a time. You will need a longer than normal test adapter to clear the rocker arms for the quick connect fitting in the compression test tool kit.Record your readings on paper. do not remove the injectors, they test it through . Compression testing drew's 7.3 powerstroke excursionMityvac MV5535: https://www.amazon.com/Mityvac-MV5535-Digital-Diesel-Compression/dp/B000M1F4F8. Record your readings on paper. do not remove the injectors, they test it through the glow plug hole. remove all glow plugs. Best done when engine is warm. If any are low squirt .
To perform a compression test on a 7.3 Powerstroke, you’ll need some essential tools: a compression gauge, 3/8 inch drive socket set, and a torque wrench. Start by .
Compression testing the parts truck engine and more progress stripping the truck down. In this video, I perform a compression test (and ultimately a leak down test) on a 7.3 I bought off of Craigslist. See what I learned!
to awnser your question you need a compression test that is for diesel engines. DO NOT use one for a gasser. the best test to start of with in this case would be a crankcase . 7.3 Powerstroke Compression Test Results. I am trying to figure out why my 7.3 Powerstroke is burning about 2 quarts of oil every 800-1,000 miles. I figured one of the easiest things to test is the cylinder rings so I . Ok guys so I got a chance to do a compression test this weekend and also mess with my injectors. Ill list my compression readings first and then talk about my findings on my injectors. Compression Readings. Drivers side front to back. 2. 300 psi 4. 400 psi 6. 300 psi 8. 390 psi Passenger side front to back. 1. 350 psi 3. 300 psi 5. 340 psi 7 . 99 & up 7.3L Power Stroke Engine & Drivetrain 6.0L Power Stroke Engine and Drivetrain 99 & up Upgrades and Aftermarket - 7.3L Engine Power Strokes 1994-1997 General 7.3L IDI Diesels (Not Powerstrokes) 1988-1993
ford 7.3 compression tester adapter
You need to beg, borrow or steal a compression tester that has a high enough scale to test diesel engines. It will need to go to at least 500 pounds. You need an adapter that will fit in the injector hole for a 6.9 or 7.3, it also fits some other applications. The most accurate readings are with a motor that is warmed up. Pre-Power Stroke Diesel (7.3L IDI & 6.9L) - 7.3 compression testing - does anyone know what kind of #'s a compression test should be at for a 7.3L idi? Thanks. Log In; . To perform a compression test on this engine, you need to have a diesel compression gauge and a glow plug adapter. Remove all the glow plugs to check any cylinder. He will do a compression test cold on the 16 th of April. He found two bad injectors too. All glows are new though too. . A forum community dedicated to Ford F-series owners and enthusiasts with a Power Stroke diesel engine. Come join the discussion about performance, bulletproofing, modifications, classifieds, troubleshooting, maintenance .
The only good way to determine if you have cylinders with low compression is to take it to a dealership or diesel shop. They can actually pull the glow plug and do a compression check. Another way to do it, is if you have known "good" injectors, a cylinder contribution test would fail those cylinders, which could indicate low compression.. 7.3 powerstroke low compression. . To try and determine where it might be leaking, you would do a leak-down test. Cheers! 97 F250 SC 4x4, E4OD, 4.10 LS, Basically Stock, Relocated Block Heater Plug, Ext Trans Filter, Tru-Cool Max, I/C Mounted but not Plumbed . A forum community dedicated to Ford Power Stroke owners and enthusiasts. Come . In this video, I perform a compression test (and ultimately a leak down test) on a 7.3 I bought off of Craigslist. See what I learned! I am trying to figure out why my 7.3 Powerstroke is burning about 2 quarts of oil every 800-1,000 miles. I figured one of the easiest things to test is the cylinder rings so I performed a compression test while the engine was cold.
I have a 2002 F350 with a dusted 7.3 motor. She has dangerously low compression in a few cylinders but is still running and driving with minimal if any issues other than poor fuel economy and the occasional hard cold start (and I'm talking cold starts below 0 degrees celcious) I recently stumbled across a fellow who has a 7.3 with 150000km on the .
Just bought my first diesel truck two weeks ago. Never owning a diesel I didn't know any known problems to check before purchasing. . Also how did they do the compression test? Because if you have a valve problem it's way cheaper to fix. > 01 f-250, Standard Rev tech 4" lift,37" military wrangler Mt tires KC diy 66, Full force 160/100 and .
Testing 7.3 Powerstroke Glow Plugs: You can test your 7.3 Powerstroke glow plugs in two ways – removing them from the cylinder & without removing them. Stay tuned as I’ll be explaining both of the procedures steps by step. How To Test Glow Plugs Without Removing Them. You can easily test your glow plugs without removing them from the engine. 99.5 F-250 PSD AT 4x4, 4in lift, 37 13.5 18 Pro comp Extreme A/T's, S&B Intake, GTP38R, DP Tuner custom programs (140 Agg., 120 sled pull, 80 tow and 60 tow), Rosewood DIY stage 2 injectors, BTS Trans, 5in exhaust no muffler, 6 oh intercooler, Ford AIC, EBPV delete, Foil delete, T/C lock up mod, Pusher Fuel Pump, Three Chime train Horns
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1994-1997 Power Stroke Technical Info. 7.3 - bad compression- Now What? Jump to Latest 18K views 12 replies . The compression test is really low and thus explains the hard starts and smoke. When truck is warmed up she runs fine. I havent been able to find a compression test kit for the 7.3 powerstroke engine and have searched the forums to find out how to get one or make one with no luck. So hope this helps someone. The adapter you need to screw into the glow plug port is a M10x1.0 male metric w/oring X 1/8 female pipe i was lucky that my local COOP had this but i . 1994.5 - 1997 7.3L Power Stroke Diesel - 7.3L Compression test: questions????? - I posted a few weeks ago about this truck (7.3L No Start) and that owner has since sold the truck but it seems to be following me wherever I go :'( . So the current owner comes over today and says, I want you to change the injector.
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1987 - 1996 F150 & Larger F-Series Trucks - 95' 7.3 Compression Test - Ok so I finally got the motor pulled out of the truck and did the compression test using the cheap harbor freight diesel compression tester . most all gauges read a little bit different. but a normal around 385 psi. Its important that you do the compression test correctly though. the right ways is to remove all 8 glow plugs, crank engine over with the key off (to do this use a remote start or crank from the terminal next to the right battery) this is done to clear the cyclinders of oil/fuel. It has a 17.5:1 compression ratio. . The 7.3 Power Stroke engine firing order is 1-2-7-3-4-5-6-8 . Post navigation. Previous. How to Protect Your 7.3 Power Stroke. Next . Injector Electrical Self Test is a functional test of the PCM performed on demand with the key on and the engine off. This test determines if the injector circuits and .
3. Do a wet test on cylinder 6 4. Upload a video of the gauge while you do it if you have a smart phone 5. Do a leak down test if you have a tester 6. Doesn't matter that your motor is cold Compression usually builds quick and even. Generalizations.. Leaking piston rings will build slow on the first stroke and take many strokes to get to the peak. Poor Man’s 7.3 Buzz test Since the only diagnostic equipment I have is the code scanner in a Superchips tuner, I had to find a way to diagnose my injectors since one was misfiring, and do not know anyone with fancy diagnostic tools. . A forum community dedicated to Ford F-series owners and enthusiasts with a Power Stroke diesel engine. Come . Pre-Power Stroke Diesel (7.3L IDI & 6.9L) - Compression test 7.3 IDI - I recently bought a 1993 F250 with 7.3 idi NA and the engine is blown(at least what I was told). Supposidly it came to Alaska with water only in the block. The discription I was given was that the oil pan was full of water and had even frozen. I. Had a friend run compression test on it and he didnt give me the spicifc numbers but said after that he figured it was a head or head gasket. . A forum community dedicated to Ford F-series owners and enthusiasts with a Power Stroke diesel engine. Come join the discussion about performance, bulletproofing, modifications, classifieds .
Compression Ratio. The compression ratio of the 7.3 Powerstroke is 17.5:1. 350 PSI is considered optimal in a compression test. The somewhat high compression ratio of the 7.3 Powerstroke allows the engine to 'extract' more energy from the fuel mixture, causing stronger combustions and creating more power while lowering the exhaust temperature. OBDII scanner won't do anything!! Our trucks aren't OBDII compliant, except for the plug!!! You will need a scanner that can run the buzz test, I would also do a cyl cont test as well. I have the AE software and really like it. I am still learning all it will do. ITP diesel, sells them for about 0, and you will need a laptop.
ford 7.3 compression tester
Your starting goodies-An economy diesel compression tester. I know for a fact that the Harbor Freight tool #93644 ( 12 Piece Diesel Engine Compression Tester) has the 1/8" NPT adapter we will need. So I recommend it. . When performing a compression test on a stock 7.3L, there are no "official" ratings. Ford and International go by a blowby . 1999 - 2003 7.3L Power Stroke Diesel - Compression test! - So I have decided to do a comp test to see if I'm having issues I've overlooked. I assumed with only having 125,000 miles on the truck I would have a good motor, now I question my theory! I'm getting a gauge from a guy at work but I need to know what size the.
7.3 powerstroke compression tester adapter
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how to do a compression test on 7.3 powerstroke|7.3 powerstroke compression tester