Offshoreonly.com - Search Results

Search: Posts Made By: Speed of heat

Showing results 1 to 5 of 5
Search took 0.01 seconds.

Forum: General Q & A

05-24-2023, 12:34 AM

Replies: 18

Dart Iron Eagle 308 Mods

Views: 6,495

Posted By Speed of heat

Mostly attracted to the Darts being cast iron...

Mostly attracted to the Darts being cast iron (lower corrosion issues) and thought that the smaller port size would preserve low and mid range torque.

Forum: General Q & A

05-23-2023, 02:51 PM

Replies: 18

Dart Iron Eagle 308 Mods

Views: 6,495

Posted By Speed of heat

Dart Iron Eagle 308 Mods

I’m looking at using a set of Dart Iron Eagle 308s on a mild pump gas 540 NA fresh water lake motor build. Max rpm 6000 with lots of cruise in the 4000 rpm range. Shooting for 650-700hp. Reliability...

Forum: General Q & A

03-07-2023, 03:45 PM

Replies: 1

BW Velvet Drive Xtra Clutch-TRS Version

Views: 764

Posted By Speed of heat

BW Velvet Drive Xtra Clutch-TRS Version

I have read mentioned that the Merc TRS Velvet drive boxes may have an extra clutch disk in them to improve holding power. I am soon to rebuild a 72c box soon and it will have a fresh 540 NA motor...

Forum: General Q & A

01-01-2023, 10:23 PM

Replies: 10

Merc 741 Cam Source

Views: 2,698

Posted By Speed of heat

Merc 741 Cam Source

Anyone know a source for Crane/ Merc 741 cams? Or a grinder who is able to duplicate one. Not just someones version, but has the same lobe profile that ensures valvetrain life? -Need for a 540 build....

Forum: Do It Yourself, Boating on a Budget

04-15-2022, 12:16 AM

Replies: 10

BBC Crane/Mercruiser Cam Source

Views: 4,547

Posted By Speed of heat

BBC Crane/Mercruiser Cam Source

With the demise of Crane Cams, where are the well proven “731”, “741 and 751 cams being sourced from? Who has the masters? Anyone know what lobe design was used?-Thanks in Advance.

Showing results 1 to 5 of 5