Zed Head Posted July 7, 2018 Share #73 Posted July 7, 2018 Generally, if the numbers are within 10% of each other it's considered good. Nissan's range is even wider. Plus you're supposed to measure on a warmed up engine. Your numbers look pretty good. Don't worry about the actual number, the gauges all vary in what they produce. It's the comparison between them that matters. Link to comment Share on other sites More sharing options...
smackhq Posted July 8, 2018 Author Share #74 Posted July 8, 2018 Well I went through the Megasquirt, resoldered every joint, added led and trimmed some long legs on board but it looks and tests good. Cross fingers. Jimstim built and tested as well. Family road trip tomorrow so I'll have to get back to this on return. 2 Link to comment Share on other sites More sharing options...
Patcon Posted July 8, 2018 Share #75 Posted July 8, 2018 Excellent progress, be safe... Link to comment Share on other sites More sharing options...
smackhq Posted July 16, 2018 Author Share #76 Posted July 16, 2018 Any thoughts/tips on the fuel tank sending unit on cleaning/rebuilding them? I removed my tank today to fully drain, inspect and clean tank and pulled the unit. Fuel as pretty nasty. I see some corrosion in tank but I'll take it to a pro to inspect. Pretty rusty and corroded so I need to do something. I didn't think they would be expensive replacement but was shocked when I checked. Link to comment Share on other sites More sharing options...
grannyknot Posted July 16, 2018 Share #77 Posted July 16, 2018 I'm in the same boat, I did an ohms test and the float is working so I don't want to screw it up. I'm planning on taking a dental pick to it and scrape the worst off of the crud, just be very careful of that thin wire. Link to comment Share on other sites More sharing options...
madkaw Posted July 16, 2018 Share #78 Posted July 16, 2018 (edited) Get a bucket of white vinegar and drop it in, you’ll be amazed! Don’t forget to do a baking soda and water mix after it’s clean to neutralize the acid. white vinegar can be had for 2.50 a gallon . 5 or 6 gallons in the tank rotating a few hours or more and you’ll have a clean tank. Might need to use a high pressure hose to knock loose some stuff, but the vinegar is great and a great weed killer Edited July 16, 2018 by madkaw Link to comment Share on other sites More sharing options...
Patcon Posted July 16, 2018 Share #79 Posted July 16, 2018 Some people have used CLR in the past. I am confidant that it is a weak acid too which is what makes it effective Link to comment Share on other sites More sharing options...
smackhq Posted July 16, 2018 Author Share #80 Posted July 16, 2018 Thanks for suggestion. Do you seal the tank after that and do you have a suggestion on product? Link to comment Share on other sites More sharing options...
smackhq Posted July 16, 2018 Author Share #81 Posted July 16, 2018 1 hour ago, Patcon said: Some people have used CLR in the past. I am confidant that it is a weak acid too which is what makes it effective So it seems like you two are suggesting that instead of me spending money on getting tank professionally done that I can do some of this on my own? I'm down for saving money for sure. How about sealing it? Link to comment Share on other sites More sharing options...
Patcon Posted July 16, 2018 Share #82 Posted July 16, 2018 8 hours ago, smackhq said: So it seems like you two are suggesting that instead of me spending money on getting tank professionally done that I can do some of this on my own? I'm down for saving money for sure. How about sealing it? Some people use Redcoat . POR15 makes a tank liner. Eastwood does. I just recently used a Caswell epoxy product. If you follow the directions closely sealing a tank is a DIY project Link to comment Share on other sites More sharing options...
madkaw Posted July 16, 2018 Share #83 Posted July 16, 2018 I followed up with Por-15 tank sealer kit. I used the white vinegar first and then followed up using the por15 instructions. The marine clean is an excellent product for cleaning, but they only supply you with a quart in the kit, so why I go with vinegar to remove rust Link to comment Share on other sites More sharing options...
Mark Maras Posted July 16, 2018 Share #84 Posted July 16, 2018 CLR for the sending unit. A 48 hour soak will convert it from scrap metal to a usable unit. Link to comment Share on other sites More sharing options...
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