Bertram31.com General Bulletin Board

Re: Bertram 20 Repower

Posted By: Peter Cleworth
Date: Saturday, 30 July 2005, at 9:25 a.m.

In Response To: Re: Bertram 20 Repower (mike ohlstein)

I have a 1965 Bertram 20 which I need to repower. It has the original 150 HP 6 cylinder engine now and I'd like to keep the boat as original as possible. With that in mind I'm thinking of replacing it with the 4 cylinder 3.0L Mercruiser Alphadrive which produces 135 HP. I'm told that this will be a near lateral move in terms of performance since the four weighs less than the six and the HP ratings are done differently now than back in the day of the old six. One of the reasons for staying with Mercruiser is to repurpose all of the dash instrumentation. Anyway, I guess I'm asking for feedback regarding the direction I'm going. Will I be disappointed with the performance of the four and should I try to shoehorn in the six? I live in Seattle and the boat will be used on a freshwater lake to tow the kids around and cocktail cruise from. I welcome any and all input but once again the goal here is to stay original since it's very much that way now. Thanks in advance and let me know if you want to see any pics. Pete.

Messages In This Thread

Bertram 20 Repower
Tommy -- Thursday, 25 November 2004, at 11:30 a.m.

Re: Bertram 20 Repower
Vic Roy -- Thursday, 25 November 2004, at 11:41 a.m.

Re: Bertram 20 Repower
Jim Bailey -- Thursday, 25 November 2004, at 12:02 p.m.

Re: Bertram 20 Repower
Doc -- Thursday, 25 November 2004, at 12:06 p.m.

Re: Bertram 20 Repower
bruce / Duke of URL -- Thursday, 25 November 2004, at 3:56 p.m.

Re: Bertram 20-Jim and UV
John F. -- Thursday, 25 November 2004, at 4:29 p.m.

Re: Bertram 20-Jim and UV
Jim Bailey -- Thursday, 25 November 2004, at 4:42 p.m.

Re: Bertram 20 Repower
mike ohlstein -- Thursday, 25 November 2004, at 7:25 p.m.

Re: Bertram 20 Repower
Jim Bailey -- Thursday, 25 November 2004, at 4:34 p.m.

Re: Bertram 20 Repower
bruce -- Thursday, 25 November 2004, at 8:55 p.m.

Re: Bertram 20 Repower
mike ohlstein -- Thursday, 25 November 2004, at 9:46 p.m.

Re: Bertram 20 Repower
Uncle Pete -- Friday, 26 November 2004, at 12:09 p.m.

Re: Bertram 20 Repower
Tommy -- Friday, 26 November 2004, at 3:13 p.m.

Re: Bertram 20 Repower
Botapeje -- Friday, 3 December 2004, at 3:12 p.m.

Re: Bertram 20 Repower
Thudd -- Friday, 3 December 2004, at 3:31 p.m.

Re: Bertram 20 Repower
Peter Cleworth -- Saturday, 30 July 2005, at 9:25 a.m.

Re: Bertram 20 Repower
Peter -- Saturday, 30 July 2005, at 12:50 p.m.

Re: Bertram 20 Repower
Peter Cleworth -- Sunday, 31 July 2005, at 12:55 a.m.

Re: Bertram 20 Repower
Ian Upton -- Sunday, 31 July 2005, at 6:54 a.m.

Re: Bertram 20 Repower
Peter -- Sunday, 31 July 2005, at 11:49 a.m.

Re: Bertram 20 Repower
Walter Kaprielian -- Sunday, 31 July 2005, at 3:35 p.m.

Re: Bertram 20 Repower
Peter Cleworth -- Monday, 1 August 2005, at 12:39 a.m.

Re: Bertram 20 Repower
John D -- Monday, 1 August 2005, at 8:20 a.m.

Re: Bertram 20 Repower
Chiles -- Monday, 1 August 2005, at 12:19 p.m.

Re: Bertram 20 Repower
John D -- Monday, 1 August 2005, at 12:27 p.m.

Re: Bertram 20 Repower
Peter Cleworth -- Friday, 5 August 2005, at 12:55 a.m.

Re: Bertram 20 Repower
bob lico -- Friday, 5 August 2005, at 10:46 a.m.

Re: Bertram 20 Repower
Walter Kaprielian -- Friday, 5 August 2005, at 10:59 a.m.

Re: Bertram 20 Repower
Chiles -- Friday, 5 August 2005, at 6:48 p.m.

Re: Bertram 20 Repower
Walter Kaprielian -- Friday, 5 August 2005, at 8:15 p.m.

Re: Bertram 20 Repower
Chiles -- Sunday, 7 August 2005, at 10:33 p.m.

Re: Bertram 20 Repower
Peter Cleworth -- Tuesday, 9 August 2005, at 11:51 p.m.

Re: Bertram 20 Repower
Chiles -- Wednesday, 10 August 2005, at 1:31 p.m.