74 Starcraft Holiday resto

[jbcurt00]

Google

BIA outboard mounting pattern

There should be plenty of images w dimensions to compare to what you have now, and then your new motors layout.

 

[BWR1953]

The BIA pattern:

 

[SkidRowBill]

Thank you JB & 53... My 74 SC Holiday has this newer pattern... SHOCK... unfortunately my transom wood is 1/2 inch higher than the aluminum... no problem though, I have yet to drill the holes and when the dealer installs the engine they can drill new holes... should all be good

 

[SkidRowBill]

 

[SkidRowBill]

Bought the boat and trailer $450 delivered... stripped it... building her back to her hay day's... so far so good... A real labor of love...

 

[SkidRowBill]

Everyone on this site should know that I could not have done this without you...

 

[SkidRowBill]

It's not looking good for the motor to be exchanged... My transom now is 21&1/2 inches... what do you think, should I use a Jack plate or build up the transom 3 inches, or build a new transom at 25 inches... the original stern aluminum was at 21 inches...

 

[Pusher]

Did you sell that motor with the 25% restocking fee? If that was a new motor... Say $8k... For the cost of the restocking fee you could just buy a pod and remove the splashwell altogether.

It might not be in the cards for you, but just a thought.

 

[SkidRowBill]

What is a pod...

 

[SkidRowBill]

which is the best jack plate... all I need is 3 inches in height

 

[SkidRowBill]

I can use a piece of stainless steel 2x3x1/4 and cut into the transom sides to set it behind the side transom braces and then cover as much of the transom as possible with 3/4 starboard... what do you think? should be solid... also if I find an 18ft SC I will have a 25 inch transom motor to put on it...

 

[Pusher]

A pod

http://forums.iboats.com/forum/owne...tboard-bracket-question?p=4792735#post4792735

 

[SkidRowBill]

This is interesting but a little more than I can spend... I am looking at a jack plate from bob,s in Fla... $340.00 delivered

 

[Pusher]

I saw this on another site so I wouldn't want to be posting their link however I saw another option in my mind that could work.

You could use two pieces of 90 degree angle aluminum. 1 bolt against the transom and one bolted to the motor. When fit-up together they would appear to be a u-Channel.

My thought at the time was two U-channels but I imagine angle would do just fine.

http://forums.iboats.com/forum/boat...-17-bell-boy-runabout?p=10329616#post10329616

 

[SkidRowBill]

I have decided that if the Honda engine X long shaft does not sell before say June 5th or so I am going to purchase a Bob's jack plate Versa Jack in the 4 inch one piece convertible from manual to hydraulic HD rated for 300HP... I was planning on mounting my fuel tank and batteries up front but now I am not sure that this is a good idea... I am imagining that this jack plate is going to put downward pressure on my bow... but to be honest I really have no idea... could someone explain what impact the jack will have on how I need to set up my boat... I will mainly be fishing in it and wanted to keep the bow in the water for windy days... but I am thinking that the more throttle I put on the more downward pressure I am going to put on the bow, and the boat will not travel at cruise very well... where am I going wrong... or am I???

 

[Watermann]

The best place for a fuel tank is midship below deck. Batteries should be as close as possible to the device using them. I have the CMC TnT units on 2 of my boats which have the same set back that troubles you with the jack plate. I have none of the issues that are troubling you. My motors are 20"ers but with your's jacked up that should be a wash. The thing is as you get up on a plane your trimming the motor out which lifts the bow out of the water.

 

[SkidRowBill]

Thanks Watermann... can you opine as to the torque or pressure on the transom... is it on top pushing forward? is it on top pulling backward... the center of mount(if I can call it that) meaning the actual raise in mount that is needed if I use the original mounting holes(I could raise the original holes an inch or so to be 1and7/8ths below the top of the transom) will be about 5 to 6 inches, depending on where the ventilation plate wants to be... I have chosen for now a 4 blade prop... My options for the fuel tank are all the way to stern or all the way under the bow... it is a 15 gallon but I can always run less... What are your thoughts or experiences??? By the way... I will have 1/2 inch plywood for the first 23 inches from the stern... then 8 feet of 1/4 inch aluminum diamond plate, finishing with 1/2 inch plywood... at most the diamond plate is 1/3rd more weight... Yes I will be carpeting the diamond plate...

 

[SkidRowBill]

As you know my transom is new and measures 1 and 5/8s inches... I have ordered 3/4 inch starboard 18 inches X 44 inches... I will use 3/16ths stainless 2 inches X 16 inches plate where my mounting bracket bolts to the transom to help distribute the attaching area... Are we talking overkill or what??? unnecessary???

 

[SkidRowBill]

I have been practicing my aluminum welding and will be welding 1 and 1/2 X 1 and 1/2 x 3/16s aluminum angle to the transom brace to account for the missing flange on one side and the hair line crack on the other... Thoughts???

 

[SkidRowBill]

So now I am rehabbing my helm and have questions... this is a sleeve that rests into the mount and the steering shaft runs thru it... are these still available???