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Search: Posts Made By: sandslot
Showing results 1 to 25 of 190
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Forum: General Q & A
04-10-2025, 08:54 PM
Replies: 0
Views: 704
Posted By sandslot

GM fast-burn heads - exhaust port

Hi - I want to make a interface flange for a GM fast-burn heads D-port for a special exhaust pipe. The head is GM part number. Any leads on a CAD file for the flange?

Thank you!
Forum: General Boating Discussion
09-24-2024, 12:16 PM
Replies: 17
Views: 3,529
Posted By sandslot

The original company that created these manifolds...

The original company that created these manifolds was HiTek and there were some QC issues with them. However, Marine Torq bought them out years ago and have resolved all issues. As a national dealer,...
Forum: General Boating Discussion
09-24-2024, 11:56 AM
Replies: 17
Views: 3,529
Posted By sandslot

Yes, they are essentially headers wrapped in a...

Yes, they are essentially headers wrapped in a stainless-steel
https://cimg1.ibsrv.net/gimg/www.offshoreonly.com-vbulletin/255x248/internal_flow_pattern1_44ee11c24c517a8592c581e003baf83cce943e18.gif...
Forum: General Boating Discussion
09-24-2024, 07:10 AM
Replies: 17
Views: 3,529
Posted By sandslot

Marine Torq

We (Renovated Marine Performance) have installed and sold many pairs of these manifolds. Great fit and easy install. Replaceable anodes and anti-reversion cones. 100% stainless steel.
Someone asked...
Forum: General Q & A
08-06-2024, 08:43 PM
Replies: 8
Views: 1,705
Posted By sandslot

Hi - I am back at trying to identify a great...

Hi - I am back at trying to identify a great drive cooler for my blackhawk drive. How did the max cooler above work for you? Can you point me to where I can get one of the ones in your picture above?...
Forum: Drives and Lower Units
07-28-2024, 09:59 AM
Replies: 8
Views: 971
Posted By sandslot

Drive operating temps

I have a Blackhawk Drive, which I think from a temperature standpoint may be similar to the bravo, and I’m inquiring about two questions

1) what’s a typical max drive temperature and/or maybe a...
Forum: General Boating Discussion
07-26-2024, 02:02 PM
Replies: 2
Views: 483
Posted By sandslot

thank you!!

thank you!!
Forum: General Boating Discussion
07-25-2024, 08:57 PM
Replies: 2
Views: 483
Posted By sandslot

K-plane Rocker switch wiring

I have to completely rewire my dash and cannot find a wiring diagram for my K plane rocker dash switches. I searched many sites but can’t seem to find. I am tying into a pair of 280s.

thank you!
Forum: Swap Shop
05-16-2024, 06:29 PM
Replies: 1
Views: 662
Posted By sandslot

Mercruiser Blackhawk case

Good condition. This case has been sitting for years and came in with a collection of other parts. $2500 plus shipping
...
Forum: General Q & A
05-15-2024, 07:15 AM
Replies: 7
Views: 2,681
Posted By sandslot

7.3 Godzilla marine application

Just curious what is being used for exhaust manifolds?
Forum: Swap Shop
05-15-2024, 07:12 AM
Replies: 5
Views: 806
Posted By sandslot

Update - as stated in the original write-up, the...

Update - as stated in the original write-up, the first set at $89 was an intro deal that I personally subsidized (hence the lower price) to support the folks using Blackhawk drives. I do have another...
Forum: Restorations & Upgrades
04-15-2024, 12:11 PM
Replies: 5
Views: 1,350
Posted By sandslot

280 vs 380

Has anyone run the 280 vs 380 on a Donzi Classic 22 Blackhawk, which does have a rocker hull at the transom? The "range" that applies to the 280 is the same as 380, but interested in any opinions...
Forum: Swap Shop
04-09-2024, 08:23 PM
Replies: 1
Views: 760
Posted By sandslot

Sold

Sold
Forum: Swap Shop
03-26-2024, 06:35 PM
Replies: 5
Views: 806
Posted By sandslot

looks like we are hooked up...thanks

looks like we are hooked up...thanks
Forum: Swap Shop
03-23-2024, 08:11 AM
Replies: 5
Views: 806
Posted By sandslot

Thanks. I think you have talked with Craig...

Thanks. I think you have talked with Craig already. I'll pull from him.

I have been receiving many emails, so it must be on your end.
Forum: General Q & A
03-23-2024, 08:10 AM
Replies: 12
Views: 5,519
Posted By sandslot

Thank you all for your input, awesome team of...

Thank you all for your input, awesome team of experts! I will send a line back to the tank with the proposed fitting.
Forum: General Q & A
03-22-2024, 06:49 AM
Replies: 12
Views: 5,519
Posted By sandslot

Thank you all for the input. I do have the Merc...

Thank you all for the input. I do have the Merc system (1997 and before cool fuel).
I am open to doing anything that works. I have a 1996 Donzi 22 BH and I can get to the tank, but don’t fully...
Forum: Swap Shop
03-21-2024, 06:36 PM
Replies: 5
Views: 806
Posted By sandslot

Blackhawk decal kit

I have been working to develop a full Blackhawk decal "kit". These decals use the appropriate 3M material that is typical for marine applications.

The "kit" price shipped in the contiguous 48 US...
Forum: Restorations & Upgrades
03-19-2024, 06:25 PM
Replies: 5
Views: 1,350
Posted By sandslot

Thank you!

Thank you!
Forum: Restorations & Upgrades
03-19-2024, 04:35 PM
Replies: 5
Views: 1,350
Posted By sandslot

Mercury Racing 380 & 280 tabs

I currently have Mercury Racing 280 tabs on my boat. Does anyone know if the 380 tabs install to the same transom bracket that currently have the 280s? Thank you!
Forum: General Q & A
03-16-2024, 11:04 AM
Replies: 12
Views: 5,519
Posted By sandslot

Cooler

Thanks…in addition to the return line, the engine mechanical pump will fill a reservoir, but I need a high-pressure electric pump to the injectors. Its the pump and reservoir I am looking for
Forum: General Q & A
03-15-2024, 09:29 PM
Replies: 12
Views: 5,519
Posted By sandslot

502 mag fuel system

I have a 502 mag MPI with the Mercruiser cool fuel system and it has always had random vapor lock. It has a standard mechanical fuel pump with a high-pressure pump in the fuel module.
I am...
Forum: Swap Shop
03-14-2024, 09:59 AM
Replies: 1
Views: 760
Posted By sandslot

Blackhawk 1.36 drive

Bought this unit for project that was cancelled. It's a 1.36 and was used on an offshore application. A prospective buyer could not use this particular setup, so I am reposting. Props not included....
Forum: Swap Shop
03-11-2024, 02:19 PM
Replies: 2
Views: 804
Posted By sandslot

looks we already caught up. Thx

looks we already caught up. Thx
Forum: Swap Shop
03-07-2024, 06:29 AM
Replies: 5
Views: 1,922
Posted By sandslot

Sorry, the drive is sold

Sorry, the drive is sold
Showing results 1 to 25 of 190
 
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