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Search: Posts Made By: younger
Showing results 1 to 15 of 15
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Forum: General Q & A
10-16-2022, 06:52 PM
Replies: 8
Views: 629
Posted By younger

Thanks good route to go.

Thanks good route to go.
Forum: General Q & A
10-16-2022, 12:48 PM
Replies: 8
Views: 629
Posted By younger

Hard for me to check pressures at speed. Have to...

Hard for me to check pressures at speed. Have to come up with a line with guage to run to Schrader valves next season. The low pressure pump sounds a little loud. Both pumps are original with 470 hrs...
Forum: General Q & A
10-14-2022, 07:15 PM
Replies: 8
Views: 629
Posted By younger

Seasons done and winterized. Has the original...

Seasons done and winterized. Has the original factory pumps. Low pressure on the front and high pressure on the rear. Pulled the banjo bolt on the hp pump to look at the screen and it was clean no...
Forum: General Q & A
10-10-2022, 01:25 PM
Replies: 8
Views: 629
Posted By younger

Dpx A 385hp Fuel pumps

Have a 22 classic with 385 dpx a set up. At full throttle runs to 5000rpm then fall off to 4500 then will start to climb up again. Suspect fuel pumps. Anyone have a aftermarket source for these...
Forum: Fiberglass and Paint
01-11-2012, 06:37 PM
Replies: 12
Views: 3,796
Posted By younger

The props I run are 30" set that the late Dave...

The props I run are 30" set that the late Dave Bostic built specificly for this app. If you look at the vids you see it does not throw a big rooster. We played with prop design based on the short...
Forum: Fiberglass and Paint
01-10-2012, 08:54 PM
Replies: 12
Views: 3,796
Posted By younger

No dought that the boat is overpowered. As I get...

No dought that the boat is overpowered. As I get into higher speeds the boat feels like it gets on the forward keel and starts the wiggles and gets violent, no driving through it. In the vid I'm...
Forum: Fiberglass and Paint
01-09-2012, 09:26 AM
Replies: 12
Views: 3,796
Posted By younger

Yes that is Craig. Stearn lift is the issue that...

Yes that is Craig. Stearn lift is the issue that is putting the boat into the wobble. As you can see in the vid it is running nose up which is great less resistance in the air then the water. There...
Forum: Fiberglass and Paint
01-08-2012, 07:59 PM
Replies: 12
Views: 3,796
Posted By younger

I have 20" tabs on and they are hell. If they...

I have 20" tabs on and they are hell. If they touch above 75 she gets realy wild. And wild is feeling god with his hand on the shoulder sayin that should doooooooo! Don't forget that the 20 cig has...
Forum: Fiberglass and Paint
01-07-2012, 11:54 PM
Replies: 12
Views: 3,796
Posted By younger

Donzi 16 Blackhawk

I have a Sweet Sixteen with a 415sbc motown motor hooked to a blackhawk surface drive. Boat runs mid 80's but starts to handle poorly getting into the high 70's into the 80's. The x dim. is low by...
Forum: Superboat
09-22-2010, 01:02 PM
Replies: 30
Views: 4,310
Posted By younger

Are you saying that the motor is not making those...

Are you saying that the motor is not making those numbers?
Forum: Superboat
09-20-2010, 08:27 PM
Replies: 30
Views: 4,310
Posted By younger

The motor produces 475 hp@ 5600 and 540ftlb@...

The motor produces 475 hp@ 5600 and 540ftlb@ 3800. How light could a y2k be built and still be strong with no flex?
Forum: Superboat
09-18-2010, 07:57 PM
Replies: 30
Views: 4,310
Posted By younger

The intresting thing is that this sb produces...

The intresting thing is that this sb produces some good torque numbers 540 ftlb. This is not the 400 out of pops station wagon. World block 4.125 bore, Mahle forged slugs on 6" H-beam rods, swinging...
Forum: Superboat
09-17-2010, 08:42 PM
Replies: 30
Views: 4,310
Posted By younger

When you talk sweet 16 that is my thing that is...

When you talk sweet 16 that is my thing that is what the 415 is in with the blackhawk drive. I built this package for my donzi 16 and run a set of hoss BH props. The only difference in the bh and the...
Forum: Superboat
09-16-2010, 09:21 PM
Replies: 30
Views: 4,310
Posted By younger

sbc single blackhawk y2k

Was thinking how a y2k would run with a 415 sbc aprox 475hp with a blackhawk surface drive. Basic boat, no cabin interior, light as possible. Would this be worth while? Could this package run in the...
Forum: Donzi
08-08-2010, 09:20 PM
Replies: 5
Views: 1,074
Posted By younger

You will have to take the panel off from behind,...

You will have to take the panel off from behind, through the engine bay for the rear nuts and under the dash for the front nuts. And then you can remove the shifter from the panel. A real fun job...
Showing results 1 to 15 of 15


 
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