Dhadley-Blown 115

[evin268fs]

After exchanging messages with you last week, I had my dad go look at the block and pistons at the shop.
In his opinion and in agreement with you at one of the other techs at the shop the bearing was not the first to fail.

There was no sign of poor lubrication, no sign of heated related damage or scoring of the walls.

Found in the connecting rod both bolts were broken, one looked to be sheared off, one shattered.

Father and one tech, believe the bolt stretched and conneting rod let loose,especially since the one looks to be sheared off. all damage seemed to come from the rod beating the block and piston, that in turn caused damage to the crank and bearing.

Suppodly the rod really did a number on the block as it is close to coming throgh the block.

The other tech still believes the bearing went first, but I tend to agree with my father and the other tech.

They suggested the whole poowerhead opposed to just resleeving since the crank was damaged and costs would be similar. Should get it all said and done for between, 3500-4000. Sound fair?

Any thoughts?

 

[evin268fs]

Re: Dhadley-Blown 115

ttt--any opinions?

 

[Dhadley]

Re: Dhadley-Blown 115

Sorry, didn't catch this one earlier. I'd check here at iboats to see what one of those powerheads goes for. That'll give you an idea where his estimate falls. Once either the crank or block is damaged that bad it's very likely a replacement is the best option.

 

[evin268fs]

Re: Dhadley-Blown 115

Well, I couldn't get the iboats parts finder to go to the powerheads, but throught the seraches I have done online, for these Intruder models, it is between, 2400-2600 for a reman powerhead, after core is returned.

Also, they will be changing the waterpump, rebuilding carbs, and link and sync as precautions.

If they have time they also said they will put the first hour of breakin, in thier test tank for the really low rpm running required.

Blown on Sunday of Memorial day weekend was mostly back together last weekend putting electronics on, would probably be finished already but I let them know I couldn't be up this weekend so if they were rushing they could slow down

 

[evin268fs]

Re: Dhadley-Blown 115

Thanks again, over the last couple years I think I have read most of your posts on the looper engines and you seem to really enjoy these models and be extremely knowegable have many many posts on them.

 

[Dhadley]

Re: Dhadley-Blown 115

I appreciate the kind words. I guess after over 40 years being around motors something was bound to rub off....

 

[evin268fs]

Re: Dhadley-Blown 115

Yes, I believe the reason I thought the over rev was not the problem was because of all the advocates on hear that same to run them @ 6000 or even a little more.

Was propped for 6200 light the last two years no problem. Thought I once read once of your posts, that said the reeds were the first to go/limited, at about 6700. Reeds were intact? Could have mis remebered that thread it has been a while since I performed that searched that turned that post up.

 

[Dhadley]

Re: Dhadley-Blown 115

What we found was that the stock steel cf reeds start to flutter and quit delivering fuel properly somewhere around 6200-6400. With Boyesen reeds the motor, in stock configuration, will go right on up to around 6900. We fooled with some intake stuff and got one to about 7200 or so.

All that being said, you have to have a pretty good hull for all that to work. The point is, the components will work.

 

[evin268fs]

Re: Dhadley-Blown 115

Well, don't think my hull would be a good canidate, it is a Stratos 17 foot fish and ski, as I know the weight forward design is not good for the best speeds, This motor seemed/ hopefully will still be very strong, have consistant 45/46 with the 17P Viper prop 6200 rpms and 48.6 5800 rpms with a 19P Viper prop GPS, don't run the 19 very much as I love the holdshot and midrange with the 17.

Can trim all the wat out with the 17 without losing pressure, holds steady at 20 PSI, with the 19 it loses pressure once the tanks get below half a tank drop to 17-18 PSI.

Probable going to try and lower the motor on the plate one hole, about 5" Prop to Pad below right now, but dosn't carry the load as well as before adding the plate. Plate added two mph gps, as much more of the boat is out of the water light but no difference loaded before the plate was added.

Read fish and skis like the prop pretty much buried and full trim, so thats why I think I will lower it a bolt hole, can easily adjust up if need be. Added the plate for the added leverage.