I been managing and working as a lube technician for last four years. I have worked in dealerships and Indy shops prior, I have recently got a job offer for local Toyota dealer as to start hourly and when I'm ready they would put me flat rate. As of now it would be a .45 raise and once I go flat rate they boost me a dollar. Would it be smart to take job as now I'm getting 43_46 hr's weekly and the job offer its straight forty until I go flat rate.
Just wanted to point out, he isn't making "less" money, he is starting off with a 45 cent raise, but losing a couple of hours(Which is true that he makes less $$ / week but i think when over-time kicks in it's better and he has a chance at flat rate which can be good money for a quick mechanic). I find that when i've been promised 40 hrs the first week is usually around 55-60 then second is about 40-45 then it jumps back up again. Just personal Experience though.
I would talk to them, ask if you can get it in writing and take a shot at it if you are financially stable enough to do it, if it doesn't pan out, lube techs are always in demand because most people don't want to change oil all day.
Also think about what you can do in your newly acquired free time, do you have home projects that are slacking? do you rebuild old cars (which can be profitable) in your free time? any other basic side work is usually way better than, say, a couple extra hours, i've made $20 for walking down the road and fixing some business's lawn mower before, a buddies dad offered to give me $50 to replace his exhaust manifolds because he didn't want to do it. Those things add up really fast, especially if your neighbors like you!
Make sure to consider your position, can you become manager or division manager? (If you work at a family place like Baxter's Auto Parts, your'e screwed because all the higher-ups are family) But if you work at somewhere like maybe a jiffy lube, the managers make decent money compared to the techs. You could also use the free time to learn more and get ASE Cert's, they almost guaranty a pay raise and open a ton of new opportunities in jobs.
Age is always a factor, if you can't keep up with the work long term, you may want to play it safe.
Best of luck!