That's a really nice looking 1986 Bertram, your pride of ownership really shows well. Freshwater and Winter storage are easy on FRP boats when...
As far as speed goes, here is the 1986 Boating magazine published test with 6V-71TA's: [ATTACH] You should be able to compare your boat numbers...
$30K/12 cylinders is $2.5K per cylinder for rebuilt 6V-92TA's. Quire possible but I would only use a DD Distributor, with DD parts, maybe W.W....
The shaft calculation is easy and can be found at Western Branch Metals website: http://www.wbmetals.com/shafting.asp The calculation is:...
The 92's in the 37 were way too much iron and killed the engine room space. It was a bad engine match. We had a 38' Blackfin SF with 6V92-TA's...
There are plenty of ex-pat enclaves of Americans in and around Ensenada. Everything in life has its own risk/reward factor, if you can accept...
A swap to rebuilt 6V-92's would not be advised. Too much weight and will negate the extra 100hp. I would never consider it. A Cummins ReCon...
But they are not Pilothouse Boats. Speed in log strewn waters is a dicey proposition for most owner operators and the ability to operate in a...
AQ 17 is generally used for applications like workboats or commercial craft that are used on a daily basis. They are susceptible to Crevice...
The local Seattle boats will be set up for the PNW, usually with a much better heating system, The FL boats will have an emphasis on...
Carver used to ship them from Wisconsin to both coasts all the time by two trailers. The main salon and Pilothouse were covered with a fitted...
Sometimes your throttle cable/connection may be off a bit and need an adjustment to get full throttle travel.
Any updates or pictures from the OP?
With mechanical Detroit's you should make an effort to verify full throttle travel / correct fuel rack settings. At the dock, in neutral, to need...
Transom wars continue between BRP and Brunswick:...
Every boat is for sale for the right price, always.........
Thanks for sharing the pricing to go along with the pics, nice information to have for those planning on similar work. If your cockpit is about...
Fatigue related to their own duty cycle. Taper fit, keyway fit, material selection, shaft diameter, corrosion, bumping into soft bottom or hard...
And keep in mind that prop shafts are wear items that have limited lifespans.
The first thing you want to have a shaft with a minimum safety factor of 5.0. The shaft supplier should be able to calculate this for you.
