bertram31.com

We are re-powering a 1973, B28 with a pair of Crusader 5.7L MPI's. We are looking for anyone who has personal experiences or feedback with a similar project. ie: engine bed rot, shaft size/diameter and shaft tubes. We are also considering replacing rudder boxes and upgrading to larger rudders. The b...

All,

If anyone is interested, the new Bertram Yacht website is in the process of being built.

However, you can now download the owner manuals for any size Bertram produced from day one.

Its a good start if you ask me.

http://www.bertram.com/

Stephen

Stephen, A pair of 375hp engines in the 28 is a bit on the excess side considering they turn another 1000 rpm. A pair of 275 to 310 works real good in the 5.7 liter. Based on Bruce and Carl's advice, it sounds like the 5.7 L is the best path to take. With this in mined, is the 5.7 vortec that has r...

This all very helpful. Transmission ratio is 2:1, with 1 1/4' shafts. Given the extra hp had planned on new trans, shafts, struts and props. Why did you go with the carb'd 5.7's and not MPI's Also, what is interesting is the 5.7 MPI is L 41.6"x W 28.1" x 28.6" H were as the 6.0 is L 43.7"x W 27.8" x...

I have a 1973 Bertram 28 that has been in my family for 37 years. We love the boat and are proud Bertram owners. However, it has come time to re-power and although I would love to drop a pair of 4LHA 240hp yanmars into it, if they were still in production, I just don’t see dumping 60k-80k into this ...