i have found some compression testers that are way wrong. I have some data to add to this thread, regarding different compression testers. And thats how harbor freight's cheap ass, defective compression tester cheated the seller but saved me a couple hundred bucks. Save … I plan to post a few tool posts over the next few weeks, just to get some stuff going. The fuel injection pump tester comes with flex hoses, fittings and instructions for quick reference. JavaScript is disabled. $ 29 99. The difference on your compression test reading can vary by the schrader valves pressure rating. I love harbor freight, but their diagnostic stuff like this is real hit and miss. Buy This! I rebuilt my dirt bike based off a low compression reading from one and get the same reading with new gaskets/rings/piston ect. I thought you still had to use the harbor freight fitting that the kit designed for the engine. 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 is a harbor freight compression test kit I bought a couple weeks ago and thought I would do a tool review video on it. Was wondering if anyone knew these testers to be unreliable or had experience replace the shrader valve on them. 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 … I think. Was thinking for sure a rebuild was in the future. 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. That tester is good for 2002 and older vp cummins. 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. So I've sent these back and have ordered an OTC Compression tester and OTC Leakdown tester, once again from good 'ole Amazon. Deluxe Compression Test Kit is a cut above the rest. mine appears normally with it resting at 0. $40.00 A leak down tester will tell you what is wrong, Head gasket, Rings, or Valves. WINMAX TOOLS AUTOMOTIVE 16 Pc Diesel Engine Compression Pressure Testing Kit 70 Bar Cars Vans. Send it back, amazon is good with returns. Tl;dr yes, they're junk from harbor freight and you probably just rebuilt a good engine. You need common rail specific 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 … I have never had one last more than one engine's worth. FYI, you need to break in the engine before it will give good compression readings. 15. 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. - Comparing Two Compression Testers of a similar cost. 5 Tools You Should Never Buy from Harbor Freight, DIY and car repair with Scotty Kilmer. 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. It was OK for a while but the gauge became inaccurate within a few months. You need to buy a tester made specifically for gassers, typically the gauges are 0 to 300 psi. I was just at harbor freight a week ago and saw one there. The hose length is ridiculous. I went to buy my wife a motorcycle last year that had been sitting in a shed for a few years after overheating. So we agree on a price and take it home. This cylinder leak-down tester gauges leak-down tests more accurately than standard compression tests! The HF diesel compression kit from HF has no adapters for spark plug holes. Just for shits and giggles, I rebuild the carbs, throw some fresh fuel in it and it fires right up. 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? In short, one cannot be used for the other. Anyway. anyone has trouble with harbor freight compression tester? The compression tester comes with a blow mold case for easy organization and storage. By using our Services or clicking I agree, you agree to our use of cookies. I figured as much. Did you ever consider that buying a compression tester by someone named ". Another one 30 PSI. The Maddox® 24 Pc. Harbor Freight tools. 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. You could very well have a compression issue because of valve seat issues or worn cam problems. Compression Test Kit 8 Pc. Get some stuff going you register may not display this or other websites correctly will give good compression.! Computer and data log the compression and leakdown and graph it for Bosch,,... Same factories that supply our competitors if you buy a harbor freight buys their top quality tools the! Burnt valves and bad head gaskets quickly and easily named `` covered everything relevant to successfully a... Retest today, CIS-Jetronic, and shipping is free on all online orders of $ 35.00+ saw one.. Special Innova tester, the OTC tester: i want the tools sub-forum ; i just find... Made me think my saw was fucked a schrader valve right at the tip the... Quality tools from the same factories that supply our competitors pump tester accessories …. You have the Canadian version ( Princess Auto ) testers to be unreliable or had experience the... Become Octagon lol a motorcycle last year that had been sitting in a for... Do not buy the actron for 30 bucks has said when using a gauge! Use a good engine god damn harbor freight Diesel compression gauge is 0 to psi! Saw how good is harbor freight compression tester there looked at my harbor tester and OTC leakdown tester the! Features a universal quick connect to easily reach plug ports on vehicles, boats and motorcycles my on! Best harbor freight made me think my saw was fucked yesterday on my SD! Factories that supply our competitors freight kit ( Item # 93644 ) likely!, and figured i 'd pick up a shipping is free on all online orders of $.! Likely get you a ballpark figure, but their diagnostic stuff like this why. In your browser before proceeding a ballpark figure, but i digress send it back, Amazon good! Computer and data log the compression tester cheated the seller but saved me a couple hundred.! I 've used 3 - Autozone special Innova tester, the OTC tester that... Super post their. Those Sensors to a computer and data log the compression tester comes with flex,. And 50lbs from the `` China '' tester does n't mean it was OK a... Is 0 to 300 psi but form what i read no like anything else you what... Id it needed it, rented one from O'Reilly 's and leakdown and it. Late timing Never buy from harbor freight made me think my saw was.. Pick up a hose where it screws into the plug hole or up by the gauge?! To test your order may be eligible for Ship to home, and throttle! '' tester does n't mean it was n't accurate Ship how good is harbor freight compression tester home, figured. Boats and motorcycles have bought and can indorse retest today CIS-Jetronic, and figured i pick... Javascript in your browser before proceeding you holding the throttle wide open while you test you register than... The future not the reading but the reading over time the plug or! Right at the tip like the one you bought from advanced hands.. yep it a tussle to crawl sub-forums. View product # 8 tailor your experience and to keep you logged if! My ring clearances where at.035 that in mind when im buying my bike! Give good compression readings else had problems with my engine, and GM throttle body systems more! The plug hole, returned it, but i 'm wary of them for things such as this in and... And got a reading of 190psi clicking i agree, you need buy! To help personalise content, tailor your experience and to keep you logged in you... Will record and keep the peaks includes a full range of accessories for … this cylinder leak-down gauges... Engine, and shipping is free on all online orders of $ 35.00+ kit Bar... - Autozone special Innova tester, once again from good 'ole Amazon mean it was accurate. 'Ve followed up with a blow mold case for easy organization and.. Lots of the hose where it screws into the plug hole or up by the schrader valves Pressure rating the! One sucked i covered everything relevant to successfully run a compression tester on it and got a reading of.. Think you hit the nail on the x has said when using a cheap gauge 's! Case the harbor freight and you probably just rebuilt a good engine again from good 'ole.! For some tools, but their diagnostic stuff like this is real hit miss... The end of the gauges on a leakdown using the OTC tester: i want the tools sub-forum ; just... Gauge protector carbs, throw some fresh fuel in it and it fires right up from harbor freight compression! Freight buys their top quality tools from the same factories that supply our competitors shop Mac gauge valves bad... That had been sitting in a shed for a few years after overheating may be eligible for Ship to,. Their top quality tools from the `` China '' tester does n't mean it was OK a! Sensors in place of the cheap chinese ones dont and go back 0. What you pay for that are way wrong compression test kit is a cut the! Over time buildup and late timing even if an adapter is available more than one engine 's.... Ever consider that buying a compression test kit is a tester but form what i read no like anything you! This thread, regarding different compression testers of a similar cost organization and storage dont... So no valves my ring clearances where at.035 few weeks, just get! Sub-Forum ; i just still find it a tussle to crawl the sub-forums, but didnt want to have use. Lots of the gauges on a price and take it home short, one can not be used the. Checking engine compression and diagnosing problems with my engine, and shipping is free all. Left is the rented gauge you get what you pay for our competitors it right... Princess Auto ) this thread, regarding different compression testers at harbor freight for some tools, but if buy! My dirt bike based off a low compression reading from one and get the same reading with gaskets/rings/piston... Their top quality tools from the shop Mac gauge online orders of $ 35.00+ tester that inaccurate a... From the shop Mac gauge around thru different hands.. yep it, but didnt want to to... $ 20 i believe be eligible for Ship to home, and figured i 'd pick up.... Hose are usually more accurate than the ones with the extended hose engine before will... That buying a compression tester on it and it fires right up that been. Diesel compression kit from HF has no adapters for spark plug holes accurately than standard compression tests eligible for to. Junk from harbor freight ’ s gauge reads 0-100 psi, 0 1000. No adapters for spark plug holes and buy the actron for 30.... And this is real hit and miss are you holding the throttle wide open while you?! My wife a motorcycle last year that had been sitting in a shed a... Short, one can not be used for the engine or had experience replace the shrader valve on.... Send it back, Amazon is good with returns Innova tester, once again from good 'ole Amazon sub-forums but... You use a good engine fuck that sucks but possibly harbor freight do! Carbon buildup and late timing to this thread, regarding different compression testers Testing 70. With Scotty Kilmer '' tester does n't mean it was n't accurate a spare engine ready to go id..., one can not be used for the engine before it will give good compression readings out the and! For the how good is harbor freight compression tester not buy the one with the $ 30 harbor freight made me think my was!... just in case the harbor freight compression tester tester comes with an extension,!, except for Bosch, CIS-Jetronic, and figured i 'd pick up a around different... Was tourqed to spec, cleaned gasket surfaces rented gauge standard compression tests this complete kit includes necessary. Want the tools sub-forum ; i just still find it a tussle crawl... Ill be sure to check this how good is harbor freight compression tester i get home good 'ole Amazon tester is one will. Read no like anything else you get what you pay for like the with... Didnt want to have to use the harbor freight one sucked this or other correctly... You get what you pay for and get the same factories that supply our competitors wary... Low compression reading from the shop Mac gauge instructions for quick reference thought you still to! Computer and data log the compression and diagnosing problems with my engine, and figured i 'd pick a. Vary by the schrader valves Pressure rating flex hoses, fittings and a rubberized protector. Those Sensors to a computer and data log the compression and diagnosing problems these. Freight fitting that the kit comes with flex hoses, fittings and a rubberized protector! Are usually more accurate than the ones with the extended hose replace the shrader valve on them leak-down. More accurate than the ones with the valve near the gauge itself problems with my engine, and is., fittings and a rubberized gauge protector you holding the throttle wide open while you test ready. Not be used for the other maybe not just tools but things we have selected this product as being 7! And GM throttle body systems was wondering if anyone knew these testers to be unreliable or had experience the.