Re: would this gauge work to make a lower unit pressure tester? Home › Forum › Dockside Chat › would this gauge work to make a lower unit pressure tester? › Re: would this gauge work to make a lower unit pressure tester? outboardnutUS Member - 1 Year (includes $3 online payment fee)Replies: 930Topics: 419 July 20, 2018 at 9:09 pm #79787 Replies viewable by members only