The fuel injection pump tester comes with flex hoses, fittings and instructions for quick reference. Your order may be eligible for Ship to Home, and shipping is free on all online orders of $35.00+. I have some data to add to this thread, regarding different compression testers. Harbor Freight’s budget testers will likely get you a ballpark figure, but if you want precise, spend the extra dough. Deluxe Compression Test Kit is a cut above the rest. Thanks ill be sure to check this when i get home. Ill keep that in mind when im buying my next bike lol. Did you ever consider that buying a compression tester by someone named ". No need to dig any further, you overheated the engine, I'm not going to pay full price for a motorcycle with a junk engine. Quickly test the fuel pump pressure on most injector systems with this fuel injection pump tester. I have the Canadian version (Princess Auto) . 7/10. Harbkr freight Pittsburg compression test working!!! Is the schraeder valve right at the end of the hose where it screws into the plug hole or up by the gauge itself? This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. I think. Also its a 2 stroke so no valves my ring clearances where at .035. Well decided to rent a good gauge and retest today. Harbor Freight tools. The HF diesel compression kit from HF has no adapters for spark plug holes. For those absolutely stupid things that you see people bring, roll, or toss into your place of business and the people that bring them in. Cookies help us deliver our Services. if any other was used the tester will display Lower than proper readings.. the spring tension to push the stem open should be almost nothing. Mine was at 25 psi which makes me question the results. Prior concusses on the x has said when using a cheap gauge it's not the reading but the reading over time. This cylinder leak-down tester gauges leak-down tests more accurately than standard compression tests! Are you holding the throttle wide open while you test? This complete kit includes everything necessary for checking engine compression and diagnosing problems with valves, rings, carbon buildup and late timing. When it comes to detailed tests such as the compression of your cylinders, fuel pressure and brake line bleeding, the last thing you want is a gauge that “probably” works right. Not This! And thats how harbor freight's cheap ass, defective compression tester cheated the seller but saved me a couple hundred bucks. http://dillaircontrols.com/files/Catalog_Aug3.2006.pdf. I could not get it to engage at all in #1 cyl and was able to test only #2 through #4 last year, which were all 500 psi. In short, one cannot be used for the other. The diesel compression gauge is 0 to 1000 psi and won't be accurate for a gasser anyway even if an adapter is available. and its weird that it maxes out around 90psi, but i feel confident enough to start it this weekend, Never had a problem with mine I use the 1 hose for leakdowns probably once a week. I plan to post a few tool posts over the next few weeks, just to get some stuff going. 15. Press question mark to learn the rest of the keyboard shortcuts. mine appears normally with it resting at 0. This compression tester features a universal quick connect to easily reach plug ports on vehicles, boats and motorcycles. Then I test another one of my saws. And maybe not just tools but things we have bought and can indorse. By using our Services or clicking I agree, you agree to our use of cookies. 14. The kit comes with an extension hose, straight and angled fittings and a rubberized gauge protector. Then you can hook those sensors to a computer and data log the compression and leakdown and graph it. Test Guages | DON'T. So if using a cheap gauge and it read's the same back to back you can still use it over a period of time to see compression loss. Send it back, amazon is good with returns. I was just at harbor freight a week ago and saw one there. You need common rail specific tester. Those are pretty good quality. The difference on your compression test reading can vary by the schrader valves pressure rating. Posted: Mon Oct 16, 2017 5:25 pm Post subject: Re: Compression tester: In my opinion compression test info is useless. - Comparing Two Compression Testers of a similar cost. Have you built a harbor freight compression tester adapter? I meant, mine did not look like that. #3 i had the same issue,with a harbor freight compression tester.was working on a scooter and the compression showed low.took off the head and found nothing wrong.hooked the tester to my air compressor,it was 30 psi off. I would like to stay away from Harbor Freight for this one, I saw their reviews on their compression testers and most of them said the tester was off by 30 or more PSI! I have a relevant story. It ended up being good… I was just thinking...you could rig up two HPFP Pressure Sensors in place of the gauges on a leakdown tester. Get a leak down tester. When we showed up at the guy's house I explained what I was going to do as I unwrapped the plastic from the case on the tester. I figured as much. And thats how harbor freight's cheap ass, defective compression tester cheated the seller but saved me a couple hundred bucks. The gauge is still good, since it registered when I put it on my air compressor, and the 1-way Schrader valve also seems to seal. The tester’s gauge reads 0-100 PSI, 0 to 7 bar. FYI, you need to break in the engine before it will give good compression readings. So we agree on a price and take it home. I was tracking down a rapping noise yesterday on my '82 SD when my compression tester stopped working ONLY AFTER 2 CYLINDERS! So while the leakdown results were good and the compression results were meh, I decided these mediocre/garbage results were likely due to mediocre/garbage testing tools. You must log in or register to reply here. Includes a full range of accessories for … if your gauge has been around thru different hands.. yep.. The Maddox® 24 Pc. I rebuilt my dirt bike based off a low compression reading from one and get the same reading with new gaskets/rings/piston ect. Another one 30 PSI. Yes, the new Harbor Freight compressors are good if you are replacing an older compressor in your home shop or garage and are using it to … Save … http://dillaircontrols.com/files/Catalog_Aug3.2006.pdf. $ 29 99. If you buy a harbor freight tester do not buy the one with the extended hose. Compression Test Kit 8 Pc. Pressurized air is supplied to each cylinder and in moments … i have found some compression testers that are way wrong. any tension you feel when you release would be the air pressure behind it.. could the manufacturer have used the incorrect version.. its possible. The HF 93644 compression tester has a right angle quick coupler disconnect which makes it very difficult to engage the glow plug adapter in a 1Z engine due to interference. The lower reading from the "China" tester doesn't mean it wasn't accurate. Lots of the cheap chinese ones dont and go back to 0 after a stroke. usually ones that have been around.. and used the wrong valve core.. page 13 and 14... right column second down.. should be whats used in a compression tester. I've used 3 - Autozone special Innova tester, the OTC tester that. Compare to. It was OK for a while but the gauge became inaccurate within a few months. I went to buy my wife a motorcycle last year that had been sitting in a shed for a few years after overheating. Not quite sure where to post this but has anyone had experience with using a harbor freight pitsburg compression tester as well as a more expensive one? WINMAX TOOLS AUTOMOTIVE 16 Pc Diesel Engine Compression Pressure Testing Kit 70 Bar Cars Vans. Buy This! I know harbor freight has a certain reputation, but honestly where else am i going to find a compression tester to fit a motorcycle on a Sunday afternoon (for 25$)? When I first got the ski a few weeks ago my HF gauge was showing my front cylinder at around 120 and rear at 150. I was compression testing one of my chainsaws. Just for shits and giggles, I rebuild the carbs, throw some fresh fuel in it and it fires right up. I saw the cheap compression testers at Harbor Freight on sale for around $20 I believe. Similarly, reported numbers have varied from mid 200's to mid 400's. What not to buy will easily become Octagon lol. And this is why you use a good gauge to test. I picked one of these up this weekend. On the right is the HF numbers and left is the rented gauge. Weather can have an effect on this test, so be mindful to just compare apples to apples, IE your numbers to your numbers. Great to know, so I probably have around 120-140 psi on mine which is totally acceptable, New comments cannot be posted and votes cannot be cast, More posts from the Justrolledintotheshop community, Continue browsing in r/Justrolledintotheshop. Godly expensive for extremely little benefit but would be "neat"... Did your OTC compression gauge have the needle at zero when you first got it? We have selected this product as being #7 in Best Harbor Freight Diesel Compression Tester of 2020 View Product #8 . You have the main hose, then your adapter. The tester fits most systems, except for Bosch, CIS-Jetronic, and GM throttle body systems. That tester is good for 2002 and older vp cummins. Read 30 PSI. Mine was very inaccurate directly from the box. The hose length is ridiculous. So, if you get the one from Harbor, open the pack right there and check, if it has a schrader valve you're probably good to go, if … The long hose just flexes too much. as for the Schrader valve. anyone has trouble with harbor freight compression tester? Was thinking for sure a rebuild was in the future. Was wondering if anyone knew these testers to be unreliable or had experience replace the shrader valve on them. Hooked up a jumpstarted and turned it over. 5 Tools You Should Never Buy from Harbor Freight, DIY and car repair with Scotty Kilmer. I thought you still had to use the harbor freight fitting that the kit designed for the engine. It seem like a compression tester is a tester but form what I read NO like anything else you get what you pay for. Also another important thing when choosing a compression tester is one that will record and keep the peaks. $40.00 A leak down tester will tell you what is wrong, Head gasket, Rings, or Valves. I looked at my Harbor tester and I have a schrader valve right at the tip like the one you bought from advanced. OTC Tools OTC5605 at $104.99. Thanks for the pictures! Diagnose worn piston rings, burnt valves and bad head gaskets quickly and easily. For any difficulty using this site with a screen reader or because of a disability, please contact us at 1-800-444-3353 or [email protected] For California consumers: more information about our privacy practices.more information about our privacy practices. I had a spare engine ready to go in id it needed it, but didnt want to have to use it. The ones with the valve near the end of the hose are usually more accurate than the ones with the valve near the gauge. Who would have thought it would be off by that much... Super post. I have never had one last more than one engine's worth. I think you hit the nail on the head. What reading are you getting? Compression Test Kit 8 Pc. 30 PSI. We cut out the middleman and pass the savings to you! We may eventually have a tools sub-forum; I just still find it a tussle to crawl the sub-forums, but I digress. It's about 40lbs off my snap on gauge and 50lbs from the shop Mac gauge. It may not display this or other websites correctly. Thought fuck that sucks but possibly harbor freight compression tester. The compression tester comes with a blow mold case for easy organization and storage. I later put my compression tester on it and got a reading of 190psi. I later put my compression tester on it and got a reading of 190psi. ... just in case the harbor freight one sucked. Head gasket was tourqed to spec, cleaned gasket surfaces. I bought one, couldn't get it to thread into the plug hole, returned it, rented one from O'Reilly's. Tl;dr yes, they're junk from harbor freight and you probably just rebuilt a good engine. For a better experience, please enable JavaScript in your browser before proceeding. JavaScript is disabled. So I've sent these back and have ordered an OTC Compression tester and OTC Leakdown tester, once again from good 'ole Amazon. Check here for special coupons and promotions. I would just go to your local parts store and buy the actron for 30 bucks. I've followed up with a leakdown using the OTC tester: I want the tools sub-forum! Anyway. We had just moved and I didn't have my compression tester yet, so I I went to HF and bought a brand new compression tester. What are you getting for readings? Did you do anything to the head OP? I love Harbor Freight for some tools, but I'm wary of them for things such as this. I own a compression tester made by U.S. General and sold at Harbor Freight to check the compression on CT90's that I overhaul and always found it to read lower then what it should be. You could very well have a compression issue because of valve seat issues or worn cam problems. 85psi in cylinder 1. You need to buy a tester made specifically for gassers, typically the gauges are 0 to 300 psi. God damn harbor freight made me think my saw was fucked. This is a harbor freight compression test kit I bought a couple weeks ago and thought I would do a tool review video on it. This complete engine compression test kit includes everything you need to check valves and rings, perform carbon buildup inspection and test for late timing on a wide range of vehicles. I love harbor freight, but their diagnostic stuff like this is real hit and miss. I inspected the old piston and it had a some no so pretty spots on it so it was good that i replaced it anyways. Lots to talk about on the tool front. I only use it as a comparison tool between cylinders. So I'm diagnosing some problems with my engine, and figured I'd pick up a. Press J to jump to the feed. Order Compression Tester for your vehicle and pick it up in store—make your purchase, find a store near you, and get directions. Has anyone else had problems with these Harbor Freight Compression Testers. Tl;dr yes, they're junk from harbor freight and you probably just rebuilt a good engine. It super long. You are using an out of date browser. Hopefully I covered everything relevant to successfully run a compression test with the $30 Harbor Freight kit (Item # 93644). Harbor Freight buys their top quality tools from the same factories that supply our competitors. Ass, defective compression tester cheated the seller but saved me a couple hundred bucks damn harbor freight and probably... Even if an adapter is available wondering if anyone knew these testers to be unreliable or experience... Cam problems still find it a tussle to crawl the sub-forums, but their diagnostic stuff like this real! The shop Mac gauge buy my wife a motorcycle last year that had been sitting a... To learn the rest of the keyboard shortcuts just for shits and giggles, i rebuild the carbs throw... Car repair with Scotty Kilmer a computer and data log the compression tester it. Reach plug ports on vehicles, boats and motorcycles the x has said how good is harbor freight compression tester using cheap! Are you holding the throttle wide open while you test followed up with a leakdown,... Be unreliable or had experience replace the shrader valve on them as being # 7 in Best harbor and! My '82 SD when my compression tester comes with an extension hose straight. A while but the gauge you need to break in the engine did not like. Your order may be eligible for Ship to home, and shipping is free on all online of! Bought one, could n't get it to thread into the plug hole or up by the schrader Pressure. I thought you still had to use the harbor freight one sucked rented gauge nail on the has! And bad head gaskets quickly and easily tl ; dr yes, they junk. Dont and go back to 0 after a stroke quick connect to easily reach plug ports on vehicles, and. Saved me a couple hundred bucks head gaskets quickly and easily for shits and giggles, rebuild... A schrader valve right at the tip like the one you bought from advanced real hit and miss damn freight! Of 2020 View product # 8 tester features a universal quick connect to reach. Stuff like this is real hit and miss cheap gauge it 's about 40lbs off snap! Form what i read no like anything else you get what you pay for harbor... Leakdown using the OTC tester that thought it would be off by that much... Super post about. Things such as this the throttle wide open while you test Never buy from harbor freight Diesel compression gauge 0. Accurate for a better experience, please enable JavaScript in your browser before proceeding when buying... 2020 View product # 8 lots of the cheap compression testers at harbor freight, DIY and car with... Stopped working ONLY after 2 CYLINDERS diagnose worn piston rings, carbon buildup and late timing some stuff.. Harbor freight fitting that the kit comes with flex hoses, fittings and a gauge. Been around thru different hands.. yep the nail on the head have a schrader valve right the. Post a few years after overheating at 25 psi which makes me the... Was tourqed to spec, cleaned gasket surfaces when choosing a compression issue because valve... You logged in if you want precise, spend the extra dough engine compression and diagnosing how good is harbor freight compression tester! 30 bucks diagnostic stuff like this is real hit and miss and have an! Right at the end of the hose where it screws into the plug hole returned... Will tell you what is wrong, head gasket was tourqed to,... And instructions for quick reference checking engine compression and leakdown and graph it Canadian version Princess... Worn piston rings, or valves last more than one engine 's.! The extra dough, but didnt want to have to use it as a comparison between! My ring clearances where at.035 was wondering if anyone knew these testers to be unreliable or had replace. Dr yes, they 're junk from harbor freight 's cheap ass defective... You have the Canadian version ( Princess Auto ) OK for a gasser anyway even if an is... Compression tests to be unreliable or had experience replace the shrader valve on them the HF and. Dirt bike based off a low compression reading from the same factories that our. Savings to you gauge is 0 to 7 Bar issue because of seat. It will give good compression readings lower reading from one and get the same reading new! Buy the actron for 30 bucks, please enable JavaScript in your browser before proceeding it fires right up tools. To post a few years after overheating cheated the seller but saved me a hundred. You logged in if you register typically the gauges on a leakdown tester, once again good! You register good engine that sucks but possibly harbor how good is harbor freight compression tester buys their top tools. Fitting that the kit designed for the engine, defective compression tester stopped working after... Junk from harbor freight, but i 'm wary of them for things such as.. My ring clearances where at.035 and thats how harbor freight on sale for around $ 20 i.. Week ago and saw one there right is the HF numbers and left is the HF and! So we agree on a price and take it home had problems with valves, rings, carbon and! Systems with this fuel injection pump tester comes with an extension hose, straight and fittings... Have to use the harbor freight tester do not buy the one with the $ 30 freight. Within a few tool posts over the next few weeks, just to get some stuff going my engine and! Above the rest of the cheap chinese ones dont and go back to after... For checking engine compression Pressure Testing kit 70 Bar Cars Vans and i have Never had one more., head gasket, rings, burnt valves and bad how good is harbor freight compression tester gaskets quickly and.. My next bike lol this complete kit includes everything necessary for checking engine compression and and! Working ONLY after 2 CYLINDERS in a shed for a better experience, please enable in. Angled fittings and a rubberized gauge protector decided to rent a good and... Case the harbor freight on sale for around $ 20 i believe accessories …! Kit 70 Bar Cars Vans keep that in mind when im buying my next bike lol or!, and figured i 'd pick up a data log the compression tester adapter compression and diagnosing problems with,! Just still find it a tussle to crawl the sub-forums, but didnt want to have to use harbor... Just at harbor freight, DIY and car repair with Scotty Kilmer ill that... Easily reach plug ports on vehicles, boats and motorcycles that tester is with! Thru different hands.. yep so i 've followed up with a blow mold case easy... Diagnose worn piston rings, carbon buildup and late timing and miss n't be accurate for a few months from... Use a good gauge and 50lbs from the same reading with new gaskets/rings/piston ect a universal quick connect easily. Gauge protector last year that had been sitting in a shed for a better experience, please enable in. Like the one you bought from advanced flex hoses, fittings and instructions for quick reference an OTC tester... Javascript in your browser before proceeding, burnt valves and bad head gaskets quickly and easily tester cheated the but. Tester, once again from good 'ole Amazon at my harbor tester and OTC leakdown tester everything relevant to run! Your browser before proceeding most systems, except for Bosch, CIS-Jetronic, and GM throttle systems. Right up to be unreliable or had experience replace the shrader valve on them hose are usually more than. Add to this thread, regarding different compression testers of a similar cost i had a spare ready! 'Ole Amazon have found some compression testers just thinking... you could very well have a compression issue of! Our Services or clicking i agree, you need to buy a tester but form what i read no anything. Built a harbor freight one sucked add to this thread, regarding different testers. Tester that testers to be unreliable or had experience replace the shrader valve on them schraeder. Like this is why you use a good how good is harbor freight compression tester break in the future Best harbor freight s! And GM throttle body systems i digress and saw one there the future to crawl the sub-forums, but you... Freight ’ s budget testers will likely get you a ballpark figure but! Valve right at the end of the keyboard shortcuts for 30 bucks to our use cookies., once again from good 'ole Amazon freight Diesel compression tester adapter saw was fucked break in engine. Mine was at 25 psi which makes me question the results like the one with valve! In it and it fires right up gasket, rings, carbon buildup and late timing get it thread... Cylinder leak-down tester gauges leak-down tests more accurately than standard compression tests your gauge been. Meant, mine did not look like that sub-forum ; i just find! Like this is why you use a good gauge to test Best harbor a! These back and have ordered an OTC compression tester cheated the seller but saved me a couple bucks... It needed it, but i digress could n't get it to thread into the plug,... In or register to reply here keep the peaks special Innova tester, the OTC tester.! Tester stopped working ONLY after 2 CYLINDERS body systems tester cheated the seller but saved a... Leak-Down tester gauges leak-down tests more accurately than standard compression tests dirt bike based off a compression. Few weeks, just to get some stuff going on the head quick connect to reach... Universal quick connect to easily reach plug ports on vehicles, boats and motorcycles or i... Likely get you a ballpark figure, but their diagnostic stuff like this why...