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  1. vroom ZOOM

    Painting drive with delfleet

    Hello, I want to try another paint/process for one of my transom plates. I dropped it off to have it laser cleaned so its basically going to be perfectly clean from paint corrosion and grease. I want to etch it with muriatic acid, and then apply alodine. For paint, has anyone tried painting...
  2. vroom ZOOM

    to replace the transom or not?

    Hello, while doing an engine swap and engine room repaint on my boat, my attention was brought to some VERY shoddy workmanship on the factory layup. A lot of the area on the transom had a bunch of gelcoat just rolled onto the wood without any glass, and of course if has cracked and peeled. I of...
  3. vroom ZOOM

    Bravo 3 bearing shims

    Hello everyone, Been rebuilding my bravo 3 upper after water got in and pitted some of the bearings. Luckily the gears survived it seems. Most of the bearings were easy to source, but the thrust bearing washers are confusing (parts 7 and 11) Mercruiser says that the bearing race thickness...
  4. vroom ZOOM

    Wake boat fuel supply issues

    Hi everyone This thing is driving me nuts. its a 2015 gekko revo. The pump is sucking air in somewhere. I put a clear chunk of line from the tank pickup with a gauge and it pulled about 5 inches of vacuum and it looked like a bunch of air was coming in as well. I unscrewed the pickup from the...
  5. vroom ZOOM

    350 mpi rebuild questions

    Hello, I was posting regarding my 5.0 saltwater motors, and it seems like rebuild time arrived too fast. One of my motors on my new to me boat is stuck solid. Time to build new ones! Since the old motors are saltwater 5.0 mpi's, I think I will use them for parts and junk the blocks. I will...
  6. vroom ZOOM

    saltwater 5.0 weak points

    Hello, just picked up another project boat but this one has seen saltwater for 15 years (I think), and then sat for 5 more, it has twin 2005 5.0 MPI engines with dry joint exhaust. My concern is that these are open loop motors. What rots out on these engines first? I will be replacing the...
  7. vroom ZOOM

    Anyone try this scan tool?

    Was digging on the internet to try find a copy of G3 (no dice :mad:) when I ran into this thing: https://www.obdstarstore.com/wholesale/obdstar-iscan-mercury-marine-diagnostic-tool.html I am curious if anyone has actually tried it and if it actually does all the stuff that it advertises. If not...
  8. vroom ZOOM

    Sony RM-XM10 swap with RM-X60M

    Hi, the RM-XM10 remotes in my boat are fried. Will the RM-X60M units be plug and play or not? Thanks
  9. vroom ZOOM

    350 MPI hard to start, runs terrible

    2001 350 MAG MPI (MEFI 3). This one has me really stumped. Last year, it wouldn't run at all. I replaced all the spark plugs and the distributor cap and rotor, and it fired right up. Come springtime, the engine started right up, but upon acceleration would sputter and blow black smoke. I figured...
  10. vroom ZOOM

    Rinker 282 trailer

    Hi, just got a 2005 rinker 282 and need help picking out a trailer. The boat is listed as being 29 feet long. I went ahead and looked at a trailer that was listed as being for a 28 foot boat. Problem was, that when I went to measure it, the distance from the bow stop to the back of the bunks is...
  11. vroom ZOOM

    8.1 Gi manifolds

    Hi, quick question. Are the volvo 7.4 and 8.1 manifolds the same? I see them listed for sale as being the same, would just like to confirm here. I bought a boat and I would like to throw in some new manifolds on it for peace of mind. Second question, how hard is it to upgrade the 8.1 from 375...
  12. vroom ZOOM

    help a mercruiser boy figure which volvo drive is needed.

    Hello Considering picking up a project with two volvo XDP drives. I will be getting rid of the XDP drives and transoms, and keeping the engines. No question about it. I want to go to two aluminum volvo duoprop drives. When I search for them, I see a bunch of different drives, such as DP-S...
  13. vroom ZOOM

    yamaha F250 DERATE to F225

    Hello, curious if it is possible to turn a yamaha F250 (3.3L) into a F225. The reason I want to do this is there aren't much F225s around for sale, but quite a few F250s. My boat is only rated for a 225.
  14. vroom ZOOM

    Vinyl ester filler over epoxy and gelcoat questoin

    Hi, two unrelated questions here for two different seadoos First question is can I use vinyl ester filler over an epoxy fiberglass repair? I have a bunch of the 3M marine filler and I really like how it cures fast and I can sand it and throw another layer on in 20 minutes or so. Epoxy with...
  15. vroom ZOOM

    axius TVM issues

    Hello everyone Looking for my next project boat, I came across a very nice 2009 searay 310. I might go look at it in person. Keep in mind, this is a PROJECT boat. It didn't sink or crash, but does have a TVM FAULT NONCRITICAL and TVMDRIVEFAILURE error. For those that are familiar with axius...
  16. vroom ZOOM

    MEFI 3 diacom capabilities

    Hi, will diacom allow me to check for spark on a MEFI 3 motor? The issue im chasing is no/intermittent spark while cranking. Its a late 90s 350 mpi with mefi3 and thunderbolt 5. The dizzy sensor is original but i'd like to check that the ecm is firing the coil alright before chucking parts at...
  17. vroom ZOOM

    Gateway not storing fuel used

    Hello, I decided to add an nmea 2000 gateway to my motor (115 optimax). The lowrance now displays fuel flow rate, and all kinds of other engine stuff, but the fuel remaining always shows 0. I tried hitting refuel to no avail, fuel remaining is still stuck at 0. There is a data field for fuel...
  18. vroom ZOOM

    1995 5.7 Mercruiser no start, no fire.

    Hello Ive been scratching my head over this one. 1995 5.7 with 4bbl carb and thunderbolt ignition. I am not too familiar with these things but I still am surprised why it won't run. The boat ran fine last week. This time it cranks and intermittently fires, but won't run. The accelerator pump...
  19. vroom ZOOM

    Velvet drive dipstick tool

    Hello once again. I was doing a bunch of oil changes on velvet drives and they all have the stupid screen that tapers down around the dipstick, which means I have to use a really thin tube to suck the trans fluid out. It takes a really long time with the thin tube, and I'd like to buy the...
  20. vroom ZOOM

    Oil filter socket

    Hey everyone I found myself doing a bunch of oil changes on mercruisers this year. (about 4 per day). A strap wrench doesn't always work the best. Does anyone remember what size oil filter socket mercruiser oil filters use? Thanks.
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