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Old 05-14-2020, 04:06 PM
TN-98_Maristar TN-98_Maristar is online now
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Join Date: Apr 2020
Boat: 1998 Maristar 5.7 MX PLUS
Location: Southeast
Posts: 3
Maristar tower reinforcement

I have a 98 maristar and I have just installed my monster MTK tower. The brackets are installed on the flat surface behind windshield (see pics). I have small aluminum plates (Pictured) On the inside as a reinforcement. Do I need more reinforcement for this location/boat?

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Thanks for the help!
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Old 05-14-2020, 07:56 PM
gweaver gweaver is offline
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Join Date: Aug 2011
Boat: 2003 VRS 230 w/X-boat package, 8.1L
Location: Northern California
Posts: 1,471
Others may have different ideas, but my thought is the bigger the backing plate, the greater the area any stress will be distributed over. Are those the stock plates in the second photo?
Hard to tell how much room you have under there, but I'd see if I could make either a) two larger plates that are as big as will fit in the space you have, or b) one large plate that both mounts would bolt to.

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Old 05-22-2020, 11:04 PM
KMS KMS is offline
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Join Date: Aug 2016
Boat: 2003 Maristar 230VRS---350MCX
Location: So Cal
Posts: 115
I have a 2003 Maristar 230VRS and I have the same tower.
I would absolutely reinforce on the underside. I glassed in a 2 foot long piece of starboard underneath to distribute the load. If I remember correctly there is a step down/up underneath there. I think I glassed in a shorter piece first to make it flush and then glassed in the 2 foot long piece to go across both mounting points. I think it is very solid. I would be leery of using it the way you have it now.

Just my $0.02
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Old 05-22-2020, 11:10 PM
KMS KMS is offline
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Join Date: Aug 2016
Boat: 2003 Maristar 230VRS---350MCX
Location: So Cal
Posts: 115
My boat

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Old 05-23-2020, 05:05 PM
MIskiboat MIskiboat is offline
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Join Date: Jul 2004
Boat: Prostar
Location: Michigan
Posts: 1,801
If the tower is like the one in the picture above, I would want to do what he did to spread the load out. Clearly more work...

The older style towers seemed to do ok with what you did, but the newer towers w almost a single mounting point (vs spread out 3-5 feet) will work the hull a lot more.

If you try it as-is, Id recommend nobody sit in the back seat for the first handful of uses.
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