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Search: Posts Made By: SCANDINAVIAN
Showing results 1 to 25 of 54
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Forum: General Boating Discussion
02-23-2024, 06:33 AM
Replies: 16
Views: 3,745
Posted By SCANDINAVIAN

Bevare if you don't have a stainless steel fuel...

Bevare if you don't have a stainless steel fuel tank, my integrated polyester tank dissolved when E10 95 was implemented here in Sweden.
Forum: General Boating Discussion
12-03-2022, 11:49 AM
Replies: 2
Views: 855
Posted By SCANDINAVIAN

Hi Toffen, Call or e-mail Livorsi, they have...

Hi Toffen,
Call or e-mail Livorsi, they have always been very helpful to me. Almost every time I e-mailed them they have replied within a few hours.
Forum: General Q & A
12-29-2020, 04:19 PM
Replies: 100
Views: 58,209
Posted By SCANDINAVIAN

Johan, I can see you have some bad luck here! I...

Johan, I can see you have some bad luck here! I think you have to pull the heads and have your valves done. That´s what I did after my CMI misshap, had similar bad numbers but at #7 and 8. Do a new...
Forum: General Q & A
12-27-2020, 10:12 AM
Replies: 100
Views: 58,209
Posted By SCANDINAVIAN

I tired NGK plugs on my 496HO a few years back...

I tired NGK plugs on my 496HO a few years back and they only lasted for 1 season ap 40 hours. My first set of Delcos had over 200 hours on them and still running strong before I changed . Perhaps I...
Forum: General Q & A
12-26-2020, 04:27 PM
Replies: 100
Views: 58,209
Posted By SCANDINAVIAN

Have you pressure tested your exhaust? Could be a...

Have you pressure tested your exhaust? Could be a water leak and the white stuff salt.
My plugs looked like that except the white stuff when my CMI´s gave up. Also as mentioned before, check...
Forum: Ilmor High Performance Marine
12-25-2020, 12:47 PM
Replies: 1
Views: 3,801
Posted By SCANDINAVIAN

Ilmor 725 will Imco SC hold up?

I´m currently repower from 496HO to Ilmor725 and have to beef up my drive. I have a Imco HP gimbal that I will keep and I´m considering buying a Imco SC (upper and lower), anyone running SC´s behind...
Forum: Prop Talk
07-25-2020, 01:43 PM
Replies: 127
Views: 27,933
Posted By SCANDINAVIAN

Hey Johan, Did your CMI's leak after all? ...

Hey Johan,
Did your CMI's leak after all?

I agree that swooping to the XR-lower will get you closer to where you want to be.
Forum: General Q & A
06-11-2020, 02:11 PM
Replies: 24
Views: 7,310
Posted By SCANDINAVIAN

I have never heard of reversion in a 496mag if...

I have never heard of reversion in a 496mag if untouched. I´m not an engine guru but I think the cam is to mild to cause any reversion. Have you pressure tested the header itself? If not take them...
Forum: General Q & A
06-10-2020, 03:29 PM
Replies: 24
Views: 7,310
Posted By SCANDINAVIAN

Have you replaced the IAC as BUP wrote in one of...

Have you replaced the IAC as BUP wrote in one of his posts? Common problem with these engines.
Check your sparkplugs and wires to make sure it fires on all cylinders.

Mine has a rattling noise at...
Forum: General Q & A
04-29-2020, 10:59 AM
Replies: 14
Views: 3,254
Posted By SCANDINAVIAN

Talking Haha..been there done that! :-D

Haha..been there done that! :-D
Forum: General Q & A
04-29-2020, 10:50 AM
Replies: 19
Views: 6,627
Posted By SCANDINAVIAN

I agree with you that this is a heat issue and...

I agree with you that this is a heat issue and there is no corrosion. If it only had happen to one of the runners I would also think there was some kind of obstruction but the damage looks almost...
Forum: General Q & A
04-28-2020, 05:14 AM
Replies: 14
Views: 3,254
Posted By SCANDINAVIAN

Pull your kill switch.

Pull your kill switch.
Forum: General Q & A
04-26-2020, 01:32 PM
Replies: 19
Views: 6,627
Posted By SCANDINAVIAN

The failure is in the tubes from cyl 1-4 which...

The failure is in the tubes from cyl 1-4 which have the biggest radius. From cyl 5-8 the where the radius is tightest the tubes looks like new, not a slightest sign of pitting. Can You please explain...
Forum: General Q & A
04-26-2020, 01:19 PM
Replies: 19
Views: 6,627
Posted By SCANDINAVIAN

This is exactly my question and the reason for...

This is exactly my question and the reason for this thread. What caused this issue? I think everyone can agree on that a stock 496HO is not an extreme engine by any means which is one of the reasons...
Forum: General Q & A
04-26-2020, 01:03 PM
Replies: 19
Views: 6,627
Posted By SCANDINAVIAN

Thanks! My Mercury stock exhaust is already back...

Thanks! My Mercury stock exhaust is already back on, but just changing the exhaust manifold was not the reason for this thread.
Forum: General Q & A
04-24-2020, 11:46 AM
Replies: 19
Views: 6,627
Posted By SCANDINAVIAN

Leaking header, but not a crack

https://cimg2.ibsrv.net/gimg/www.offshoreonly.com-vbulletin/2000x1124/1_bf1f22a6a0c55901b5e48a75c0c6da30b953671e.jpg
1. Cut out hole...
Forum: General Q & A
08-09-2019, 12:09 PM
Replies: 12
Views: 13,974
Posted By SCANDINAVIAN

[QUOTE=TURBOED;4692124]What hull is the motor...

[QUOTE=TURBOED;4692124]What hull is the motor in?just curious

TURBOED, the hull is a 30ft from a mold that I built together with some friends in the early 90´s. This is the first one that we...
Forum: General Q & A
08-09-2019, 11:12 AM
Replies: 12
Views: 13,974
Posted By SCANDINAVIAN

I just thought I tell how my problem with the...

I just thought I tell how my problem with the fuel pump was solved. I took the decision to change both high and low pressure pumps and after that the fuel pressure was back to normal again so I don´t...
Forum: General Q & A
06-27-2019, 02:58 PM
Replies: 12
Views: 13,974
Posted By SCANDINAVIAN

Thanks for all your advice, especially BUP who...

Thanks for all your advice, especially BUP who always chime in with invaluable help to us 496 owners who is more or less desperate for some good advice. I have learned a lot reading your posts!
...
Forum: General Q & A
06-15-2019, 05:28 PM
Replies: 12
Views: 13,974
Posted By SCANDINAVIAN

Thanks for the advice! Sure I will test the fuel...

Thanks for the advice! Sure I will test the fuel pressure but since it is starving for fuel I think I know what the result will be.
If I´m right and it is a bad fuel pump I am curious which part of...
Forum: General Q & A
06-15-2019, 10:44 AM
Replies: 12
Views: 13,974
Posted By SCANDINAVIAN

496 HO Fuel pump issue?

So, tried to start my engine up today for the first time after the winter. It did start as it normally does but died immediately, tried again a couple of times but it only ignited on a few cylinders...
Forum: General Q & A
05-23-2019, 03:57 PM
Replies: 7
Views: 2,533
Posted By SCANDINAVIAN

I did exactly the same thing with the same...

I did exactly the same thing with the same result, it was a easy fix.
Forum: General Q & A
12-19-2018, 03:16 PM
Replies: 2
Views: 762
Posted By SCANDINAVIAN

Mercury 520, 540, 565 or....?

My old 496HO is at 550 hours and I have giving me a lot of trouble free boating, only a few sensor failures which was both easy and cheap to fix. However it’s time to move on to the next motor and I...
Forum: General Q & A
07-10-2018, 01:05 PM
Replies: 28
Views: 37,868
Posted By SCANDINAVIAN

Plavutka, spring has passed. How did it turn out?...

Plavutka, spring has passed. How did it turn out?
I have a similar project coming that don't need a ton of torque and will like lighter engine.
Anyone else who can share some new experiences is...
Forum: General Q & A
07-07-2015, 02:03 PM
Replies: 4
Views: 1,419
Posted By SCANDINAVIAN

Thanks for Your inputs! :-) I don´t think I...

Thanks for Your inputs! :-)
I don´t think I have a dirty flame arrestor since it runs strong wot and no soot at the transom but I will check and clean it anyway. I have read a lot of threads about...
Showing results 1 to 25 of 54
 
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