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Search: Posts Made By: Rage
Showing results 1 to 25 of 500
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Forum: General Q & A
10-28-2018, 10:57 AM
Replies: 23
Views: 2,776
Posted By Rage

What valve spring OD vs Spring cup ID clearance...

What valve spring OD vs Spring cup ID clearance do you shoot for?
Forum: General Q & A
10-23-2018, 10:48 AM
Replies: 23
Views: 2,776
Posted By Rage

Thanks for sharing that. Identical condition to...

Thanks for sharing that. Identical condition to my retainers. PAC recommendation for 0.080" coil bind clearance was followed. The beehive allegedly has some inherent surge damping because of its...
Forum: General Q & A
10-22-2018, 04:43 PM
Replies: 23
Views: 2,776
Posted By Rage

To reduce dynamic valve train weight so as to...

To reduce dynamic valve train weight so as to increase rpm threshold for valve toss. Smaller valve spring retainer and spring coils at valve tip end versus straight coils and multiple coils.
I...
Forum: General Q & A
10-21-2018, 06:49 PM
Replies: 23
Views: 2,776
Posted By Rage

Thanks to all for taking the time to share your...

Thanks to all for taking the time to share your thoughts. I found the culprit. I knew that the PAC beehive valve springs rotate above a certain rpm. The spring rotation speed increases as rpm...
Forum: General Q & A
10-19-2018, 11:19 PM
Replies: 23
Views: 2,776
Posted By Rage

Thanks. The valve stem seals replaced about 40...

Thanks. The valve stem seals replaced about 40 hours ago.

90 hours on rebuilt engine. I understand what all is ferrus and what can wear. That is not my question. My question is only what...
Forum: General Q & A
10-19-2018, 10:36 PM
Replies: 23
Views: 2,776
Posted By Rage

It is a Mercruiser 496 that has little left that...

It is a Mercruiser 496 that has little left that is stock other than block and accessories. Valve springs are PAC 1295x beehive and PAC steel retainers. Cam is custom mfg by Cammotion. Trend push...
Forum: General Q & A
10-19-2018, 08:21 PM
Replies: 23
Views: 2,776
Posted By Rage

Metal in Heads..Where Could It Be From?

I found tiny brite shinny metal bits in oil filter. They are iron based since magnet attracts them. Pulled the valve covers and found the same in the low spots of pooled oil. I inspected the...
Forum: General Q & A
07-14-2018, 08:27 AM
Replies: 10
Views: 1,251
Posted By Rage

I am thinking of inserting a relay between the...

I am thinking of inserting a relay between the ignition switch switched power feed out and the circuits that it powers using power from the fuse panel as it's power source to power those circuits. I...
Forum: General Q & A
07-08-2018, 08:03 AM
Replies: 10
Views: 1,251
Posted By Rage

Digital voltmeter with (-) connected to battery...

Digital voltmeter with (-) connected to battery terminal. Same unit used for all measurements.

OK. Thanks for the help.
Forum: General Q & A
07-07-2018, 11:00 AM
Replies: 10
Views: 1,251
Posted By Rage

Thanks for the detailed diagnostic suggestions. ...

Thanks for the detailed diagnostic suggestions.

Additional info. The red power line voltage at the fuse panel located at the dash that services accessories not controlled by ignition switch is...
Forum: General Q & A
07-06-2018, 03:03 AM
Replies: 10
Views: 1,251
Posted By Rage

Only measured actual voltage engine off . ...

Only measured actual voltage engine off . Battery 12.5v dash 11.5v.
Forum: General Q & A
07-05-2018, 09:43 AM
Replies: 10
Views: 1,251
Posted By Rage

Batt Voltage 1 Volt Lower at Dash Normal??

It is a 2005 Mercruiser 496HO wiring harness to dash where purple power wire (switched battery power downstream from ignition switch) that provides power to dash gages etc. is about 1 volt less than...
Forum: General Q & A
04-06-2018, 06:48 AM
Replies: 12
Views: 3,308
Posted By Rage

I mean noisy versus other boats/vehicles running...

I mean noisy versus other boats/vehicles running Holley with knock sensors. Default Holley sensitivity setting is 50% for my type application where in normal non detonation engine drive train noise...
Forum: General Q & A
03-29-2018, 01:29 PM
Replies: 12
Views: 3,308
Posted By Rage

Actually on the tight side. I could be anything....

Actually on the tight side. I could be anything. Maybe all boats do it. That is the problem and why at this point I need to see someone else's boat data log to compare.
Forum: General Q & A
03-25-2018, 09:24 AM
Replies: 12
Views: 3,308
Posted By Rage

Does anyone have Holley HPI data logs of BBC...

Does anyone have Holley HPI data logs of BBC running in a boat with knock sensors?
Forum: General Q & A
03-12-2018, 11:30 AM
Replies: 12
Views: 3,308
Posted By Rage

https://cimg9.ibsrv.net/gimg/www.offshoreonly.com-...

https://cimg9.ibsrv.net/gimg/www.offshoreonly.com-vbulletin/1366x768/hefi_log_20171203_135825_7_938046789a4743403c8d80e7804aa1d5d7ce077e.png

Example of what I am talking about.
Forum: General Q & A
03-10-2018, 05:02 PM
Replies: 12
Views: 3,308
Posted By Rage

Its the knock vs false knock issue. My engine...

Its the knock vs false knock issue. My engine (in the boat) is very noisy requiring sensitivity setting down to 35% just to get by. Then 100% knock levels show up where they should not be. I need...
Forum: General Q & A
03-09-2018, 09:01 AM
Replies: 7
Views: 754
Posted By Rage

Thank you Ben!

Thank you Ben!
Forum: General Q & A
03-08-2018, 06:31 AM
Replies: 7
Views: 754
Posted By Rage

Thanks for the suggestion. I will give him a...

Thanks for the suggestion. I will give him a shout.
Forum: General Q & A
03-08-2018, 06:09 AM
Replies: 12
Views: 3,308
Posted By Rage

FYI, All I want is any and all raw recorded...

FYI, All I want is any and all raw recorded Holley HP EFI data logs I can get from in boat running of BBC with knock sensor(s). Not asking for these data logs to be prescreened for content that I am...
Forum: General Q & A
03-07-2018, 12:40 PM
Replies: 7
Views: 754
Posted By Rage

To clarify yes I want a timing table. I do not...

To clarify yes I want a timing table. I do not known one MEFI version from another. I am not going to install the table in an ECU. I just know the timing table is not locked up in the MEFI like in...
Forum: General Q & A
03-07-2018, 11:56 AM
Replies: 7
Views: 754
Posted By Rage

I am not going to actually load the spark table...

I am not going to actually load the spark table into an ECU to use so rpm or MAP scale is not important. I want to see what spark advance Mercruiser uses for the fast burn Vortec heads at the...
Forum: General Q & A
03-07-2018, 07:20 AM
Replies: 12
Views: 3,308
Posted By Rage

I am in particular looking for any data log...

I am in particular looking for any data log records when going from idle to on plane and/or throttle down from WOT or high speed down to idle. At this point any in boat data logs with knock levels...
Forum: General Q & A
03-06-2018, 01:35 PM
Replies: 7
Views: 754
Posted By Rage

Mercruiser MEFI ECU Spark Table

Does anyone have a stock MEFI spark table for any 1996 and up Mercruiser 454 EFI engine of the 310hp variety? These had the Vortec heads.
Forum: General Q & A
03-06-2018, 11:40 AM
Replies: 12
Views: 3,308
Posted By Rage

Holley HP EFI Data Logs

Does any one have Holley HP EFI data logs from BBC in boat running with knock sensor(s)?
Showing results 1 to 25 of 500
 
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