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Forum: Hatteras Tech Talk

Techinical Discussion & Hatteras Related Topics Only

  1. Murphy Mechanical Temperature Gauge

    I just installed two Murphy Mechanical temperature gauges on the flybridge of my Chris Craft 422 powered by twin Detroit diesel 6V92TA engines. The installation required 30 ft of capillary tube. After warming up the engines at the dock to about 140F measured by my Stewart & Warner mech gauges in...

    Started by joesig‎, 09-30-2017 10:14 AM
    • Replies: 8
    • Views: 2,483
    joesig
    10-04-2017, 08:44 AM Go to last post

  2. DD 6V92 TA Coolant replacement

    Yesterday I visited my local Detroit Diesel distributor to purchase replacement coolant for my two 6V92 TA engines. It has been a little over 2 years since the coolant was replaced. I had been using PenCool 2000 with distilled water only, since the boat only operates on the Gulf coast. To my...

    Started by joesig‎, 07-11-2013 09:51 AM
    • Replies: 4
    • Views: 8,110
    joesig
    07-14-2013, 09:44 AM Go to last post

  3. 1967 41 Hatteras

    Does anyone know where I can get a wiring diagram for my 41 hat

    Started by JoeyS‎, 07-02-2015 08:47 AM
    • Replies: 1
    • Views: 1,474
    Boatsb
    07-02-2015, 09:25 AM Go to last post

  4. 71 43 DCMY AC Air handler replacement for mid cabin

    We are in South Florida and I am looking at upgrading our AC in the salon to get it cooler. Has anyone out there had any experience in upgrading or adding an ac unit to this style boat 43DCMY. I still have the fan blade style blowers in the air handling unit and at it's best on a hot day it...

    Started by jogginalong‎, 08-24-2015 04:38 PM
    • Replies: 7
    • Views: 2,359
    Milacron
    08-26-2015, 02:08 PM Go to last post

  5. repower 36c

    Need some info! I was on the Owners Page and saw a number of 36's with diesel power ie: "Blue Note", "Krazy Eight", "Pigsnoot IV", "Samurai". The "Kathy L" a 1971 36c that we have owned since 1981, redone twice re-powered once, has 460 cu 330 hp gas. We cruise at 18k@3200rpm and 32gph; top at...

    Started by john‎, 03-10-2005 05:56 PM
    2 Pages •
    1 2
    • Replies: 10
    • Views: 3,112
    KATHY L
    03-15-2005, 09:51 PM Go to last post

  6. Mechancial oil gauges and pyrometers - need location

    Ok, got my 6-71TIs, got my mechnical oil gauges and pyrometers. Need to know location on engine for oil gauge, and where on exhaust for pyrometers(forward or aft of turbos). Do you guys know the maximum distance you can run the pyrometer leads? Thanks for the help! (Went thru withdrawal when the...

    Started by John Dickson‎, 12-31-2007 01:39 PM
    • Replies: 1
    • Views: 1,206
    Brian Degulis
    12-31-2007, 05:53 PM Go to last post

  7. Picture upload assistance

    I am attempting to upload a jpeg picture into a post using manage attachments and I keep getting errors. The file is 2megs. Is it too big? Can you guys give me some guidance here? Do I have to make the file smaller? If so, how? Tx mucho.

    Started by John Dickson‎, 10-19-2007 01:23 PM
    • Replies: 3
    • Views: 1,408
    yachtsmanbill
    10-19-2007, 08:42 PM Go to last post

  8. Upper rebuild and kit costs for 671TIs

    I am contemplating doing an upper rebuild on one of my 1985 671TIs. Thinking of putting in new sleeves and pistons and having the head reconditioned due to age, hours, compression and smoking. I am looking for advise on 1)kit prices 2)which manufacturer 3)changing to 19:1 compression and 4) what...

    Started by John Dickson‎, 04-21-2016 10:59 AM
    • Replies: 7
    • Views: 2,563
    rplatt7
    04-22-2016, 01:55 PM Go to last post

  9. Need help identifying filter

    I have DD 671 TIs. This filter is located near the starters beneath the emergency shut offs. Is this a by pass filter? Thanks for the help!

    Started by John Dickson‎, 10-19-2007 11:12 PM
    1 Attachment(s)
    • Replies: 4
    • Views: 1,557
    Will
    10-21-2007, 11:36 AM Go to last post

  10. No load WOT test/block heater suggestions

    I have DD 671 TIs. The cover sticker says max rpm 2500 NL. I need a description of how to perform the no load test, what the test reveals, what to look for and potential adjustments to make as a result of the test. Can anyone tell me what the max rpm under load I should expect . Perhaps there...

    Started by John Dickson‎, 01-13-2007 11:11 PM
    2 Pages •
    1 2
    • Replies: 13
    • Views: 4,791
    Genesis
    02-05-2007, 08:59 PM Go to last post

  11. Turbo Hose Temperature on 671 TI

    I am going to replace the hoses from my turbos to my intercooler. Does anyone know the temperature ratings for the hose or a good supplier? Tx John

    Started by John Dickson‎, 10-03-2016 12:14 PM
    • Replies: 2
    • Views: 1,402
    MikeP
    10-03-2016, 01:25 PM Go to last post

  12. Racor Plumbing and Parts Source

    I have Racor 1000FGs and would like to know if anyone has any suggestions for plumbing the bowl drains. They currently have plastic twist drains that leak - drip...drip....drip. I would like to replace them with fittings and a hose that I can use for cleaning and draining. Any suggestions or...

    Started by John Dickson‎, 10-23-2007 02:21 PM
    • Replies: 1
    • Views: 1,640
    Avenger
    10-23-2007, 02:30 PM Go to last post

  13. Pyrometers

    I have DD 671TIs and would like to install pyrometers. I am looking for recommmendations on brands/model, temp. ranges and installation procedure. Thank you

    Started by John Dickson‎, 02-12-2007 12:42 PM
    • Replies: 8
    • Views: 2,109
    Mike36c
    02-14-2007, 04:56 AM Go to last post

  14. DD671 Blk Heaters 750W or 1500W

    I have DD671 Diesels and would like to install KimHS heaters with thermostats. My question is - should I go with 1500W or 750W? I am in Michigan. Does anyone have any experience with either? Will there be a significant energy cost difference? KimHS recommends 3watts per cubic inch. They do not...

    Started by John Dickson‎, 05-03-2007 01:09 PM
    • Replies: 7
    • Views: 2,462
    Jaxfishgyd
    05-06-2007, 06:32 PM Go to last post

  15. 671TI 450hp JT Correct Injectors?

    Does anyone know the correct injector for the JT 450HP 671TI? JT originally put M95s in them, but they are no longer available. I would appreciate any knowledge as to what anyone with the same engine is running. I would also be interested in the injector height setting. Thanks John D.

    Started by John Dickson‎, 07-05-2016 05:28 PM
    • Replies: 4
    • Views: 1,753
    captddis
    07-19-2016, 02:35 PM Go to last post

  16. Soot in Coolant Overflow Canister

    This past year I noticed that my port coolant overflow canister is turning brown inside and I am slowly losing coolant. It would appear that I may be getting soot in my coolant? When I remove my exchanger cap the coolant is at the top. Any suggestions on where to start looking? Thanks, John

    Started by John Dickson‎, 03-29-2016 07:13 PM
    • Replies: 9
    • Views: 3,286
    GJH
    04-01-2016, 03:57 PM Go to last post

  17. A/C Seawater Pump in Engine Room

    I am considering relocating my March a/c Seawater pump to my engine room (diesels) from its current location in another bilge. Are there any concerns in having the pump located in the engine room? ie Ignition, Heat etc. The new location will still provide the correct level as it is not self...

    Started by John Dickson‎, 01-18-2015 09:57 PM
    • Replies: 3
    • Views: 1,575
    Tim Powell
    01-19-2015, 07:18 AM Go to last post

  18. Turbo Leak 671 TI

    I need some assistance in determining where this turbo is leaking. Is it a seal or a gasket beneath the clamp? Does this look familar to any of you? What would be my next course of action for repair? Thanks for the help! John

    Started by John Dickson‎, 01-10-2009 08:34 PM
    5 Pages •
    1 2 3 ... 5
    12 Attachment(s)
    • Replies: 49
    • Views: 21,394
    chris
    03-19-2018, 12:31 PM Go to last post

  19. Hernia Batteries

    I current have two 8d case size batteries (1400 cca each) for my 671 TIs etc. I am considering replacing them so I do not have to have surgery every few years at replacement time. Do any of you have any suggestions as to what to replace with, size, ccas, what has worked well, how to connect? ...

    Started by John Dickson‎, 10-12-2007 01:57 PM
    2 Pages •
    1 2
    • Replies: 11
    • Views: 4,399
    fissioneng
    12-12-2007, 09:12 PM Go to last post

  20. 671TIs not turning over/Trans switch?

    My 671TIs (JT) sometimes will not turn over until I move the transmission shift levers a bit. Is there a neutral switch/adjustment somewhere attached to the trans cables that I can look for? I have Capitol transmissions. Thanks John D.

    Started by John Dickson‎, 07-25-2013 04:07 PM
    • Replies: 1
    • Views: 945
    Will
    07-25-2013, 04:46 PM Go to last post

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