1982 Glastron HPV 165 re-powering questions.

jwjw7108

Cadet
Joined
Aug 22, 2013
Messages
17
A few months ago I purchased a new to me old 1982 Glastron HPV 165 Bass boat with what I am guessing is a 1982 Johnson 115 outboard with hydraulic tilt/trim. The boat has a few stress cracking areas in the gelcoat but nothing major in my opinion. However, the transom has me wondering if there is structural rotting taking place in between the layers of glass between the splashwell cap and the transom itself. I question this because the upper motor bracket mount bolt heads and washers appear to be sunken in. Inside of the bilge compartment the mount bolt heads and washers are not sunken in at all and the outer appearance of the glassing looks to be in near perfect condition. There doesnt seem to be any flex on the transom while powering up quickly either. A reputible local boat shop also said that the transom is in good shape. So I have a few questions to ask about this.

1. Are the sunken bolt heads and washers normal due to torque factors?

2. Are there better ways of checking the transom for rot other than drilling holes everywhere or pulling the cap?

3. Is 43 MPH by GPS a good running speed for this boat and motor?

4. Why would the maximum HP rating for this boat be at 120 HP?

5. Could this boat be re-powered with a bigger motor then the manufacturer rating(I have seen other HPV bass boats with up to 175 HP outboards) without ruining the transom?

6. If so, how much more HP would this boat put up with?

This is the first powered boat hat I have owned and so far I love it. It has been a lot of fun for us this summer and I dont want to trash it or us! Also, is anyone out there familiar with this brand of bass boat and were they manufactured with good quality standards. This boat is pretty old and in pretty darn good condition for its age, so I was wondering if this is because of good quality or just good care and lack of use? Any input would be greatly appreciated. Thank so much!
 

Celtichawk

Chief Petty Officer
Joined
May 6, 2012
Messages
564
Re: 1982 Glastron HPV 165 re-powering questions.

Photos, Photos, and more Photos!
 

jwjw7108

Cadet
Joined
Aug 22, 2013
Messages
17
Re: 1982 Glastron HPV 165 re-powering questions.

Hey Celtichawk, thanks for the quick reply! Although, even in this day and age of technology, I dont know if I have the ability to upload any photos. Also, my photos are limited right now and im not sure what type of photos you are requesting. I have a couple of the boat itself I can try to figure out if I am able to even stumble my way through it, but no extreme close ups. Can you tell me what you are looking for other than the obvious transom splashwell photo. The sunken bolt head issue is pretty subtle though. I dont know if my smartphone camera is going to do any justice. But I will get workin on it. Thanks again for your reply!
 

jwjw7108

Cadet
Joined
Aug 22, 2013
Messages
17
Re: 1982 Glastron HPV 165 re-powering questions.

guess I will see if this worked.
 

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jwjw7108

Cadet
Joined
Aug 22, 2013
Messages
17
Re: 1982 Glastron HPV 165 re-powering questions.

Ok. Now I will see if I can get some better pictures for you a bit later.
 
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