Boats For Sale:
Prop and strut |
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Riley 
Grand Poobah 
Joined: January-19-2004 Location: Portland, ME Status: Offline Points: 7954 |
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 Topic: Prop and strutPosted: October-05-2018 at 9:31am |
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You need the measurement from the log to the trans flange from a similar boat and that is where the engine should be located regardless of what mounts you have.
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TRBenj
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Joined: June-29-2005 Location: NWCT Status: Offline Points: 21186 |
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Posted: October-05-2018 at 8:58am |
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And you are placing them on the same blocks that correct Craft did to replicate the geometry, right? If not, I can see how the engine would be placed too far back in order to align with the log/strut.
With so many changed variables, you really need some baseline measurements on where that engine goes. |
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DasBoot67
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Joined: July-13-2014 Location: Danville nh Status: Offline Points: 74 |
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Posted: October-05-2018 at 6:47am |
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I would like to tell everyone that is trying to help that I went from the old style mounts to a set of commander mounts I bought from someone on this site
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DasBoot67
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Joined: July-13-2014 Location: Danville nh Status: Offline Points: 74 |
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Posted: October-05-2018 at 12:19am |
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That would be great let me know
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JDD33
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Joined: October-20-2012 Location: Natick, MA Status: Offline Points: 499 |
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Posted: October-04-2018 at 11:32pm |
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That measurement doesn't surprise me too much. Having owned and torn apart several mustangs, I've noticed that they tend to have a long tail aft of the strut.
If the engine is back in its original position after the stringer replacement, I think your best bet would be to shorten the shaft on the coupling end. A maximum of of 1" between the strut and the prop would be best. My old '70 mustang will be retuning to me in the week or so if you still need measurements. However I know it has a long tail as well.. |
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Old school goin back to school!
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Duane in Indy
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Joined: October-26-2015 Location: Indiana Status: Offline Points: 1578 |
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Posted: October-04-2018 at 9:39pm |
Forward and up then |
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Keep it as original as YOU want it
1978 Mustang (modified) |
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8122pbrainard
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Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41045 |
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Posted: October-04-2018 at 9:36pm |
I'd say it's more like a engine adjustment. Per the list, a Mustang should have the 40" shaft so, the engine needs to be moved forward. |
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Duane in Indy
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Joined: October-26-2015 Location: Indiana Status: Offline Points: 1578 |
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Posted: October-04-2018 at 9:25pm |
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Oops
Sounds like a lathe job in future to me 
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Keep it as original as YOU want it
1978 Mustang (modified) |
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TRBenj
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Joined: June-29-2005 Location: NWCT Status: Offline Points: 21186 |
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Posted: October-04-2018 at 9:21pm |
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3/8” or 3-3/8”?
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DasBoot67
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Joined: July-13-2014 Location: Danville nh Status: Offline Points: 74 |
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Posted: October-04-2018 at 9:07pm |
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I have 3 3/8 of a inch between my prop and strut after mocking the engine
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TRBenj
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Joined: June-29-2005 Location: NWCT Status: Offline Points: 21186 |
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Posted: September-19-2018 at 9:28pm |
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40” shaft would be original. There is no min... the smaller the gap between strut and prop, the better. Figure 3/8” to get a puller on.
I wouldn’t use that to determine proper engine placement though... there are better ways to do it- though you’ll need to mock it up in the boat. |
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DasBoot67
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Joined: July-13-2014 Location: Danville nh Status: Offline Points: 74 |
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Posted: September-19-2018 at 9:06pm |
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I’m reinstalling my engine in my 16 ft Mustang because I replaced stringers and floor I misplaced my notes and measurements when I did a clean up what is the distance between the prop and strut I have a 289 with velvet drive with a 40 and half long shaft one inch max and min distance
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8122pbrainard wrote: