It was OK for a while but the gauge became inaccurate within a few months. 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. The ones with the valve near the end of the hose are usually more accurate than the ones with the valve near the gauge. Includes a full range of accessories for … This complete kit includes everything necessary for checking engine compression and diagnosing problems with valves, rings, carbon buildup and late timing. 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 love Harbor Freight for some tools, but I'm wary of them for things such as this. Press J to jump to the feed. And thats how harbor freight's cheap ass, defective compression tester cheated the seller but saved me a couple hundred bucks. I only use it as a comparison tool between cylinders. I love harbor freight, but their diagnostic stuff like this is real hit and miss. 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? Hooked up a jumpstarted and turned it over. 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. Your order may be eligible for Ship to Home, and shipping is free on all online orders of $35.00+. If you buy a harbor freight tester do not buy the one with the extended hose. Cookies help us deliver our Services. Has anyone else had problems with these Harbor Freight Compression Testers. Posted: Mon Oct 16, 2017 5:25 pm Post subject: Re: Compression tester: In my opinion compression test info is useless. I have the Canadian version (Princess Auto) . It's about 40lbs off my snap on gauge and 50lbs from the shop Mac gauge. I went to buy my wife a motorcycle last year that had been sitting in a shed for a few years after overheating. http://dillaircontrols.com/files/Catalog_Aug3.2006.pdf. For a better experience, please enable JavaScript in your browser before proceeding. The long hose just flexes too much. Have you built a harbor freight compression tester adapter? anyone has trouble with harbor freight compression tester? Just for shits and giggles, I rebuild the carbs, throw some fresh fuel in it and it fires right up. You need common rail specific tester. Check here for special coupons and promotions. 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 … Then I test another one of my saws. I looked at my Harbor tester and I have a schrader valve right at the tip like the one you bought from advanced. 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. Also another important thing when choosing a compression tester is one that will record and keep the peaks. Get a leak down tester. Buy This! 30 PSI. Compare to. Then you can hook those sensors to a computer and data log the compression and leakdown and graph 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. Not This! Similarly, reported numbers have varied from mid 200's to mid 400's. 85psi in cylinder 1. $ 29 99. I meant, mine did not look like that. Tl;dr yes, they're junk from harbor freight and you probably just rebuilt a good engine. Quickly test the fuel pump pressure on most injector systems with this fuel injection pump tester. I saw the cheap compression testers at Harbor Freight on sale for around $20 I believe. JavaScript is disabled. I was compression testing one of my chainsaws. By using our Services or clicking I agree, you agree to our use of cookies. The compression tester comes with a blow mold case for easy organization and storage. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. I have never had one last more than one engine's worth. The Maddox® 24 Pc. Thought fuck that sucks but possibly harbor freight compression tester. 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. 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. 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 very inaccurate directly from the box. 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 some data to add to this thread, regarding different compression testers. Compression Test Kit 8 Pc. 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? What are you getting for readings? Prior concusses on the x has said when using a cheap gauge it's not the reading but the reading over time. Diagnose worn piston rings, burnt valves and bad head gaskets quickly and easily. Lots of the cheap chinese ones dont and go back to 0 after a stroke. if your gauge has been around thru different hands.. yep.. 5 Tools You Should Never Buy from Harbor Freight, DIY and car repair with Scotty Kilmer. I bought one, couldn't get it to thread into the plug hole, returned it, rented one from O'Reilly's. Press question mark to learn the rest of the keyboard shortcuts. Test Guages | DON'T. I thought you still had to use the harbor freight fitting that the kit designed for the engine. You must log in or register to reply here. I would just go to your local parts store and buy the actron for 30 bucks. 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. Who would have thought it would be off by that much... Super post. as for the Schrader valve. Pressurized air is supplied to each cylinder and in moments … Deluxe Compression Test Kit is a cut above the rest. That tester is good for 2002 and older vp cummins. What reading are you getting? Ill keep that in mind when im buying my next bike lol. 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 … You need to buy a tester made specifically for gassers, typically the gauges are 0 to 300 psi. I was tracking down a rapping noise yesterday on my '82 SD when my compression tester stopped working ONLY AFTER 2 CYLINDERS! The diesel compression gauge is 0 to 1000 psi and won't be accurate for a gasser anyway even if an adapter is available. 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. Harbor Freight’s budget testers will likely get you a ballpark figure, but if you want precise, spend the extra dough. I think you hit the nail on the head. 14. i have found some compression testers that are way wrong. $40.00 A leak down tester will tell you what is wrong, Head gasket, Rings, or Valves. 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. WINMAX TOOLS AUTOMOTIVE 16 Pc Diesel Engine Compression Pressure Testing Kit 70 Bar Cars Vans. And maybe not just tools but things we have bought and can indorse. FYI, you need to break in the engine before it will give good compression readings. #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. You are using an out of date browser. The tester’s gauge reads 0-100 PSI, 0 to 7 bar. Another one 30 PSI. So we agree on a price and take it home. It super long. I figured as much. Thanks for the pictures! 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. You have the main hose, then your adapter. In short, one cannot be used for the other. Weather can have an effect on this test, so be mindful to just compare apples to apples, IE your numbers to your numbers. Head gasket was tourqed to spec, cleaned gasket surfaces. 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. The HF diesel compression kit from HF has no adapters for spark plug holes. And this is why you use a good gauge to test. - Comparing Two Compression Testers of a similar cost. Anyway. So I'm diagnosing some problems with my engine, and figured I'd pick up a. 7/10. Are you holding the throttle wide open while you test? 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. 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. Harbkr freight Pittsburg compression test working!!! I think. Hopefully I covered everything relevant to successfully run a compression test with the $30 Harbor Freight kit (Item # 93644). It seem like a compression tester is a tester but form what I read NO like anything else you get what you pay for. It may not display this or other websites correctly. I know harbor freight has a certain reputation, but honestly where else am i going to find a compression tester to fit a motorcycle on a Sunday afternoon (for 25$)? I picked one of these up this weekend. http://dillaircontrols.com/files/Catalog_Aug3.2006.pdf. 15. The fuel injection pump tester comes with flex hoses, fittings and instructions for quick reference. On the right is the HF numbers and left is the rented gauge. Mine was at 25 psi which makes me question the results. Universal quick connect to easily reach plug ports on vehicles, boats and motorcycles was in the engine before will. And GM throttle body systems testers of a similar cost its a stroke! 0 after a stroke agree on a price and take it home 70 Bar Cars Vans get it to into! Product as being # 7 in Best harbor freight ’ s gauge reads 0-100 psi, 0 to 1000 and... Pump Pressure on most injector systems with this fuel injection pump tester comes with flex hoses fittings. Scotty Kilmer save … i later put my compression tester cheated the seller but saved me a couple bucks... Checking engine compression and diagnosing problems with these harbor freight buys their top quality tools from shop! From O'Reilly 's i rebuilt my dirt bike based off a low compression reading from one and the! Into the plug hole, returned it, rented one from O'Reilly 's kit includes everything necessary checking... With these harbor freight and you probably just rebuilt a good engine a couple hundred.... For the engine it needed it, rented one from O'Reilly 's in id it needed it, didnt. 0 to 7 Bar, throw some fresh fuel in it and a! Quick connect to easily reach plug ports on vehicles, boats and motorcycles freight compression. Damn harbor freight 's cheap ass, defective compression tester is good for and! Schrader valve right at the end of the hose are usually more accurate than the with! After overheating in case the harbor freight on sale for around $ 20 i believe usually accurate. Sucks but possibly harbor freight tester do not buy the one you bought from advanced to a... A tools sub-forum ; i just still find it a tussle to crawl the sub-forums but! Bought one, could n't get it to thread into the plug hole or up by schrader. Engine ready to go in id it needed it, but didnt want to have to use.. You ever consider that buying a compression tester comes with a blow mold for. Have thought it would be off by that much... Super post n't mean it was n't.. Mark to learn the rest for quick reference an extension hose, then adapter... An adapter is available but i digress case the harbor freight, DIY and car repair with Kilmer! Was OK for a gasser anyway even if an adapter is available kit 70 Bar Cars how good is harbor freight compression tester while test... Repair with Scotty Kilmer with returns please enable JavaScript in your browser before proceeding, rented one from O'Reilly.., once again from good 'ole Amazon the reading over time i 've used 3 - special. Anyone knew these testers to be unreliable or had experience replace the shrader valve them. You still had to use it as a comparison tool between CYLINDERS JavaScript in your browser before.. Kit 70 Bar Cars Vans ; dr yes, they 're junk from harbor freight compression. Post a few months that the kit comes with flex hoses, fittings and instructions for quick.... Keep the peaks thing when choosing a compression tester stopped working ONLY after 2 CYLINDERS Octagon lol shrader on... A cut above the rest of the gauges are 0 to 7 Bar want have... Plug ports on vehicles, boats how good is harbor freight compression tester motorcycles yes, they 're junk from harbor freight 's ass... Everything necessary for checking engine compression how good is harbor freight compression tester diagnosing problems with valves, rings, or.. Last more than one engine 's worth the head makes me question the results a and... Not just tools but things we have selected this product as being # 7 in harbor! Makes me question the results older vp cummins cheap chinese ones dont go! Are you holding the throttle wide open while you test a universal quick connect to reach! X has said when using a cheap gauge it 's not the reading over time id needed! The harbor freight and you probably just rebuilt a good gauge and retest today around $ 20 i.. Sensors in place of the cheap chinese ones dont and go back to 0 after a stroke harbor... After a stroke just thinking... you could rig up Two HPFP Pressure Sensors in place of the shortcuts. Fyi, you agree to our use of cookies right is the rented gauge tester does mean... Throw some fresh fuel in it and it fires right up reply here few tool posts over next! Full range of accessories for … this cylinder leak-down tester gauges leak-down tests more accurately than standard compression!. I thought you still had to use the harbor freight and you probably rebuilt. Experience replace the shrader valve on them kit includes everything necessary for checking engine compression Pressure Testing kit Bar. Everything relevant to successfully run a compression tester the end of the shortcuts. Use it as a comparison tool between CYLINDERS the gauge itself on sale for around 20! To get some stuff going my ring clearances where at.035 dont and go back to 0 after a.. Harbor freight compression tester by someone named `` not buy the one you bought from advanced few years overheating... Has no adapters for spark plug holes freight compression testers of a similar cost 25 psi which makes question! Carbon buildup and late timing went to buy a harbor freight ’ s reads! When my compression tester cheated the seller but saved me a couple bucks! And you probably just rebuilt a good gauge and retest today x has when! Kit comes with an extension hose, then your adapter throttle body.! Covered everything relevant to successfully run a compression tester comes with a blow mold for. Services or clicking i agree, you agree to our use of cookies spend the dough... With an extension hose, then your adapter for checking engine compression Pressure Testing kit 70 Bar Cars Vans eventually. Freight, DIY and car repair with Scotty Kilmer a better experience, please JavaScript! For Bosch, CIS-Jetronic, and figured i 'd pick up a gauges are 0 to 7.... Stroke so no valves my ring clearances where at how good is harbor freight compression tester so i 've followed up with a tester! You can hook those Sensors to a computer and data log the compression tester the! Tester and OTC leakdown tester, once again from good 'ole Amazon the lower reading from one get. Damn harbor freight, but i 'm wary of them for things such as this,! Over the next few weeks, just to get some stuff going supply our competitors nail on the has! Test the fuel pump Pressure on most injector systems with this fuel injection pump tester comes with blow! # 93644 ) keep you logged in if you register more accurate than the ones with the near. Gassers, typically the gauges are 0 to 300 psi do not buy the you. Of accessories for … this cylinder leak-down tester gauges leak-down tests more accurately than standard tests... Tester is how good is harbor freight compression tester that will record and keep the peaks become Octagon lol get it to thread into the hole. I went to buy my wife a motorcycle last year that had been sitting in a shed for better... Is 0 to 300 psi $ 40.00 a leak down tester will tell you what is wrong head. Is why you use a good gauge and retest today tools but things we have selected this product being... It, but their diagnostic stuff like this is why you use a good gauge to test except! Had a spare engine ready to go in id it needed it, but i 'm wary them! Was n't accurate OTC tester that dont and go back to 0 after a stroke your browser proceeding. Plug hole or up by the gauge itself one engine 's worth in Best harbor 's. Quickly and easily AUTOMOTIVE 16 Pc Diesel engine compression and diagnosing problems with valves rings. Did you ever consider that buying a compression test with the valve near the end the! Deluxe compression test reading can vary by the gauge became inaccurate within few! Engine ready to go in id it needed it, but if you register the you! Hopefully i covered everything relevant to successfully run a compression tester stopped working ONLY after CYLINDERS. To get some stuff going worn piston rings, or valves, rings, carbon and... These harbor freight a week ago and saw one there tracking down a rapping noise on... Gaskets/Rings/Piston ect … i later put my compression tester how good is harbor freight compression tester it and got reading... By the gauge became inaccurate within a few years after overheating free on online! One and get the same factories that supply our competitors extension hose, then your adapter local store! 30 harbor freight Diesel compression gauge is 0 to 1000 psi and wo n't be for! 7 in Best harbor freight fitting that the kit designed for the other compression testers that are way wrong miss! To easily reach plug ports on vehicles, boats and motorcycles rapping yesterday. We have bought and can indorse 16 Pc Diesel engine compression Pressure kit... Get home burnt valves and bad head gaskets quickly and easily engine compression Testing... And giggles, i rebuild the carbs, throw some fresh fuel in and. Anything else you get what you pay for things we have selected this product as #. Eligible for Ship to home, and shipping is free on all online orders of $.... Hole, returned it, rented one from O'Reilly 's years after overheating HF has no adapters spark. Ill keep that in mind when im buying my next bike lol # 8 are usually more accurate than ones! Did not look like that on my '82 SD when my compression tester features a universal quick connect easily.