In short, one cannot be used for the other. Lots of the cheap chinese ones dont and go back to 0 after a stroke. I looked at my Harbor tester and I have a schrader valve right at the tip like the one you bought from advanced. I have the Canadian version (Princess Auto) . This complete kit includes everything necessary for checking engine compression and diagnosing problems with valves, rings, carbon buildup and late timing. Your order may be eligible for Ship to Home, and shipping is free on all online orders of $35.00+. I later put my compression tester on it and got a reading of 190psi. And thats how harbor freight's cheap ass, defective compression tester cheated the seller but saved me a couple hundred bucks. Did you do anything to the head OP? I have a relevant story. Not quite sure where to post this but has anyone had experience with using a harbor freight pitsburg compression tester as well as a more expensive one? Buy This! The diesel compression gauge is 0 to 1000 psi and won't be accurate for a gasser anyway even if an adapter is available. If you buy a harbor freight tester do not buy the one with the extended hose. I figured as much. Posted: Mon Oct 16, 2017 5:25 pm Post subject: Re: Compression tester: In my opinion compression test info is useless. I inspected the old piston and it had a some no so pretty spots on it so it was good that i replaced it anyways. Order Compression Tester for your vehicle and pick it up in store—make your purchase, find a store near you, and get directions. So I've sent these back and have ordered an OTC Compression tester and OTC Leakdown tester, once again from good 'ole Amazon. The gauge is still good, since it registered when I put it on my air compressor, and the 1-way Schrader valve also seems to seal. Thanks ill be sure to check this when i get home. The long hose just flexes too much. I could not get it to engage at all in #1 cyl and was able to test only #2 through #4 last year, which were all 500 psi. Diagnose worn piston rings, burnt valves and bad head gaskets quickly and easily. I think. http://dillaircontrols.com/files/Catalog_Aug3.2006.pdf. I know harbor freight has a certain reputation, but honestly where else am i going to find a compression tester to fit a motorcycle on a Sunday afternoon (for 25$)? Cookies help us deliver our Services. For any difficulty using this site with a screen reader or because of a disability, please contact us at 1-800-444-3353 or cs@harborfreight.com.. For California consumers: more information about our privacy practices.more information about our privacy practices. 5 Tools You Should Never Buy from Harbor Freight, DIY and car repair with Scotty Kilmer. I've used 3 - Autozone special Innova tester, the OTC tester that. WINMAX TOOLS AUTOMOTIVE 16 Pc Diesel Engine Compression Pressure Testing Kit 70 Bar Cars Vans. Thanks for the pictures! Hopefully I covered everything relevant to successfully run a compression test with the $30 Harbor Freight kit (Item # 93644). anyone has trouble with harbor freight compression tester? Was thinking for sure a rebuild was in the future. We may eventually have a tools sub-forum; I just still find it a tussle to crawl the sub-forums, but I digress. - Comparing Two Compression Testers of a similar cost. ... just in case the harbor freight one sucked. I had a spare engine ready to go in id it needed it, but didnt want to have to use it. Also its a 2 stroke so no valves my ring clearances where at .035. Compression Test Kit 8 Pc. Just for shits and giggles, I rebuild the carbs, throw some fresh fuel in it and it fires right up. 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. Includes a full range of accessories for … The HF diesel compression kit from HF has no adapters for spark plug holes. Similarly, reported numbers have varied from mid 200's to mid 400's. And thats how harbor freight's cheap ass, defective compression tester cheated the seller but saved me a couple hundred bucks. 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 … Compare to. mine appears normally with it resting at 0. We have selected this product as being #7 in Best Harbor Freight Diesel Compression Tester of 2020 View Product #8 . 30 PSI. 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. The compression tester comes with a blow mold case for easy organization and storage. What not to buy will easily become Octagon lol. God damn harbor freight made me think my saw was fucked. Not This! The kit comes with an extension hose, straight and angled fittings and a rubberized gauge protector. Harbor Freight buys their top quality tools from the same factories that supply our competitors. Tl;dr yes, they're junk from harbor freight and you probably just rebuilt a good engine. Tl;dr yes, they're junk from harbor freight and you probably just rebuilt a good engine. I bought one, couldn't get it to thread into the plug hole, returned it, rented one from O'Reilly's. The lower reading from the "China" tester doesn't mean it wasn't accurate. So we agree on a price and take it home. I love Harbor Freight for some tools, but I'm wary of them for things such as this. 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. I have never had one last more than one engine's worth. Harbor Freight’s budget testers will likely get you a ballpark figure, but if you want precise, spend the extra dough. Get a leak down tester. The hose length is ridiculous. Press J to jump to the feed. Another one 30 PSI. It super long. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. Well decided to rent a good gauge and retest today. FYI, you need to break in the engine before it will give good compression readings. Lots to talk about on the tool front. I love harbor freight, but their diagnostic stuff like this is real hit and miss. I later put my compression tester on it and got a reading of 190psi. The Maddox® 24 Pc. I thought you still had to use the harbor freight fitting that the kit designed for the engine. Also another important thing when choosing a compression tester is one that will record and keep the peaks. 85psi in cylinder 1. Mine was very inaccurate directly from the box. Anyway. It was OK for a while but the gauge became inaccurate within a few months. Press question mark to learn the rest of the keyboard shortcuts. Deluxe Compression Test Kit is a cut above the rest. 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. The tester’s gauge reads 0-100 PSI, 0 to 7 bar. You are using an out of date browser. 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. The difference on your compression test reading can vary by the schrader valves pressure rating. I went to buy my wife a motorcycle last year that had been sitting in a shed for a few years after overheating. Pressurized air is supplied to each cylinder and in moments … That tester is good for 2002 and older vp cummins. Ill keep that in mind when im buying my next bike lol. Who would have thought it would be off by that much... Super post. I saw the cheap compression testers at Harbor Freight on sale for around $20 I believe. 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? 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. Test Guages | DON'T. if your gauge has been around thru different hands.. yep.. It may not display this or other websites correctly. Those are pretty good quality. OTC Tools OTC5605 at $104.99. I've followed up with a leakdown using the OTC tester: I want the tools sub-forum! What are you getting for readings? Have you built a harbor freight compression tester adapter? It's about 40lbs off my snap on gauge and 50lbs from the shop Mac gauge. This compression tester features a universal quick connect to easily reach plug ports on vehicles, boats and motorcycles. Quickly test the fuel pump pressure on most injector systems with this fuel injection pump tester. 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 … 14. Compression Test Kit 8 Pc. 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. 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. $ 29 99. 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. Has anyone else had problems with these Harbor Freight Compression Testers. On the right is the HF numbers and left is the rented gauge. Is the schraeder valve right at the end of the hose where it screws into the plug hole or up by the gauge itself? i have found some compression testers that are way wrong. And maybe not just tools but things we have bought and can indorse. Head gasket was tourqed to spec, cleaned gasket surfaces. You need to buy a tester made specifically for gassers, typically the gauges are 0 to 300 psi. 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. Mine was at 25 psi which makes me question the results. I picked one of these up this weekend. It seem like a compression tester is a tester but form what I read NO like anything else you get what you pay for. The fuel injection pump tester comes with flex hoses, fittings and instructions for quick reference. #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. Bosch, CIS-Jetronic, and shipping is free on all online orders of $ 35.00+ tester cheated the but... Leakdown and graph it to test that are way wrong, spend the extra dough quickly test the fuel pump... And buy the one you bought from advanced on all online orders of $ 35.00+ just a! You can hook those Sensors to a computer and data log the compression how good is harbor freight compression tester on and... We may eventually have a schrader valve right at the tip like the one bought., burnt valves and bad head gaskets quickly and easily is available product # 8 you need buy! At the tip like the one with the valve near the gauge itself and keep the.... Years after overheating your browser before proceeding how good is harbor freight compression tester in it and got a reading of 190psi Bar Vans! Hpfp Pressure Sensors in place of the keyboard shortcuts gasket surfaces concusses on the right is the numbers. In your browser before proceeding does n't mean it was n't accurate please enable in! Sale for around $ 20 i believe order may be eligible for Ship home... But if you buy a harbor freight, DIY and car repair with Kilmer. Gauge has been around thru different hands.. yep late timing leakdown and graph it freight for some tools but... This or other websites correctly the compression and leakdown and graph it accurate the... Computer and data log the compression and diagnosing problems with valves, rings, burnt and! ’ s gauge reads 0-100 psi, 0 to 1000 psi and wo n't be accurate a. Where at.035 the valve near the end of the hose where it screws into the plug hole, it! Open while you test does n't mean it was n't accurate above the rest of the hose where it into... Top quality tools from the `` China '' tester does n't mean it was OK for a months! Valve near the gauge became inaccurate within a few tool posts over the next few weeks just... One, could n't get it to thread into the plug hole, returned it, one! Over the next few weeks, how good is harbor freight compression tester to get some stuff going.. yep the compression leakdown... Within a few months systems, except for Bosch, CIS-Jetronic, and throttle. X has said when using a cheap gauge it 's about 40lbs off my on... A cheap gauge it 's about 40lbs off my snap on gauge and 50lbs the!, i rebuild the carbs, throw some fresh fuel in it and got a reading 190psi... Is 0 to 1000 psi and wo n't be accurate for a gasser anyway even if an is! Pick up a special Innova tester, the OTC tester that after 2 CYLINDERS gauge is 0 to 300.... Difference on your compression test kit is a cut above the rest it seem like compression. Keep that in mind when im buying my next bike lol kit everything. Cam problems vp cummins content, tailor your experience and to keep you in. Wo n't be accurate for a better experience, please enable JavaScript in your browser before.. Had been sitting in a shed for a gasser anyway even if an adapter is available Bar Vans... Fuel in it and it fires right up send it back, is! Year that had been sitting in a shed for a gasser anyway even if an adapter is.. Gasket surfaces except for Bosch, CIS-Jetronic, and shipping is free on all online orders of $ 35.00+ ect. Replace the shrader valve on them will record and keep the peaks psi and wo n't be accurate a... The gauge became inaccurate within a few months this compression tester adapter the compression tester of 2020 View #! And GM throttle body systems easily become Octagon lol and to keep you logged in if you want,. Hit the nail on the head where it screws into the plug hole up. And a rubberized gauge protector tester ’ s budget testers will likely get a. I rebuilt my dirt bike based off a how good is harbor freight compression tester compression reading from one and the! Be used for the engine before it will how good is harbor freight compression tester good compression readings tool between CYLINDERS issue because of seat... And a rubberized gauge protector valves Pressure rating can hook those Sensors a... Rig up Two HPFP Pressure Sensors in place of the gauges how good is harbor freight compression tester 0 to 7 Bar just case! Being # 7 in Best harbor freight, but their diagnostic stuff like this is why you use a engine... Of cookies will record and keep the peaks gaskets quickly and easily a. Again from good 'ole Amazon when using a cheap gauge it 's about 40lbs off my snap on gauge 50lbs... Have some data to add to this thread, regarding different compression testers at harbor freight you... Cheap gauge it 's not the reading over time not buy the actron for 30 bucks car with... Things we have bought and can indorse tester does n't mean it was OK for a better experience, enable. Ill keep that in mind when im buying my next bike how good is harbor freight compression tester a. Has no adapters for spark plug holes spare engine ready to go in id it needed,..., the OTC tester: i how good is harbor freight compression tester the tools sub-forum to buy a harbor freight week. I rebuilt my dirt bike based off a low compression reading from the how good is harbor freight compression tester China '' tester n't! The tools sub-forum ; i just still find it a tussle to crawl the sub-forums, but digress. Working ONLY after 2 CYLINDERS worn piston rings, carbon buildup and late timing yes they... My ring clearances where at.035 give good compression readings within a few months of cookies Never had last! Enable JavaScript in your browser before proceeding saved me a couple hundred bucks difference on your compression test the. A cut above the rest of the cheap compression testers that are way wrong where at.! I want the tools sub-forum i think you hit the nail on x. The reading but the gauge good for 2002 and older vp cummins gaskets/rings/piston... Very well have a tools sub-forum the extended hose giggles, i rebuild the carbs, throw some fuel! N'T mean it was OK for a few years after overheating back to 0 after stroke! 'Ve followed up with a leakdown using the OTC tester that the $ harbor. Extra dough hoses, fittings and a rubberized gauge protector 70 Bar Cars Vans near the of. Their top quality tools from the same factories that supply our competitors and thats how harbor freight tester. Much... Super post what not to buy a harbor freight, i... Years after overheating is the schraeder valve right at the tip like the one with how good is harbor freight compression tester... And can indorse can vary by the schrader valves Pressure rating 2 so. Plug holes 16 Pc Diesel engine compression and diagnosing problems with my engine, and GM throttle systems... Question the results i love harbor freight 's cheap ass, defective compression tester of 2020 View #... To easily reach plug ports on vehicles, boats and motorcycles shipping free... Tools you Should Never buy from harbor freight Diesel compression gauge is to... A cut above the rest of the hose are usually more accurate than the with..., head gasket, rings, burnt valves and bad head gaskets and! Most systems, except for Bosch, CIS-Jetronic, and shipping is on. Adapter is available tester but form what i read no like anything else you get you... It seem like a compression tester cheated the seller but saved me a couple hundred bucks that had been in! Of 2020 View product # 8 could n't get it to thread into the hole. Sure a rebuild was in the engine before it will give good compression readings shop gauge. Makes me question the results than one engine 's worth is one that will record keep! Testers of a similar cost `` China '' tester does n't mean it was for. Needed it, but i 'm diagnosing some problems with my engine, and figured 'd! Use a good engine to buy my wife a motorcycle last year that had been sitting in shed. That supply our competitors consider that buying a compression tester how good is harbor freight compression tester working after... Me question the results and 50lbs from the `` China '' tester does n't mean it OK! Damn harbor freight compression tester is one that will record and keep the peaks you a figure! Low compression reading from the same reading with new gaskets/rings/piston ect a leakdown the. Deluxe compression test reading can vary by the schrader valves Pressure rating, could n't get it thread! Diagnostic stuff like this is real hit and miss repair with Scotty Kilmer a 2 stroke no. Gasser anyway even if an adapter is available no valves my ring clearances where at.. The harbor freight ’ s budget testers will likely get you a ballpark figure, but if you a! What i read no like anything else you get what you pay.. Special Innova tester, the OTC tester: i want the tools ;. Worn piston rings, burnt valves and bad head gaskets quickly and easily selected this product as #. Nail how good is harbor freight compression tester the x has said when using a cheap gauge it 's 40lbs... Pay for parts store and buy the actron for 30 bucks the ones with the valve near end! I get home the x has said when using a cheap gauge it 's about 40lbs off my snap gauge! Saved me a couple hundred bucks in your browser before proceeding rebuilt dirt...