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Search: Posts Made By: Rage
Showing results 1 to 12 of 12
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Forum: General Q & A
12-07-2005, 05:02 PM
Replies: 38
Views: 11,517
Posted By Rage

Re: O2 Sensors on 496HO??

bobl,

It's good to hear that I can do this on the water.

You say 'through the operating range'. Can you share the step by step process you use to tune a motor with a new setup (heads, cam,...
Forum: General Q & A
12-07-2005, 02:25 PM
Replies: 38
Views: 11,517
Posted By Rage

Re: O2 Sensors on 496HO??

bobl,

Is it feasible to properly tune a motor using the LM-1 with the motor in the boat running on the water or do you have to always take it out and to a dyno test lab?

Thanks!
Forum: General Q & A
12-05-2005, 10:29 PM
Replies: 38
Views: 11,517
Posted By Rage

Re: O2 Sensors on 496HO??

Dustin,

Thanks for the excellent clarification.

If instead of 91 octain fuel what would be your F/A ratio recomendation for a stock NA motor for peak HP and reliability with 87 octain, iron...
Forum: General Q & A
12-02-2005, 09:44 AM
Replies: 38
Views: 11,517
Posted By Rage

Re: O2 Sensors on 496HO??

J-Bonz,

Have you done this?

What is the step by step procedure to dial in using exhaust manifold temperature?

Thanks!
Forum: General Q & A
12-01-2005, 08:27 AM
Replies: 38
Views: 11,517
Posted By Rage

Re: O2 Sensors on 496HO??

muffman,

Yes I need two ssO2 bungs (and two ss plugs for the bungs as well). Let me know how to proceed.

Thanks,

[email protected]
Forum: General Q & A
11-30-2005, 02:33 PM
Replies: 38
Views: 11,517
Posted By Rage

Re: O2 Sensors on 496HO??

Dustin,

I looked up the SS O2 sensor bungs. They are not very tall. If this thickness of bung is used to bridge the distance between the inner and out walls of the riser it would seem that the...
Forum: General Q & A
11-30-2005, 08:01 AM
Replies: 38
Views: 11,517
Posted By Rage

Re: O2 Sensors on 496HO??

Dustin,

Thanks for the guidance!

So on the stock Mercruiser risers you install a SS bung for the O2 sensor that will pass through the water jacket and is welded on the inside tube and the...
Forum: General Q & A
11-29-2005, 07:50 AM
Replies: 38
Views: 11,517
Posted By Rage

Re: O2 Sensors on 496HO??

axapowell,

Thanks, but it looks like the O2 sensors on my set up is a non starter. Probablty just as well given the reliability issue you describe.
Forum: General Q & A
11-28-2005, 09:25 PM
Replies: 38
Views: 11,517
Posted By Rage

Re: O2 Sensors on 496HO??

Cam-shaft,

Thanks for the response. From what I have been reading the wet exhaust did appear to be the main problem for using an O2 sensor with the stock exhaust manifolds.

The ECU is the...
Forum: General Q & A
11-28-2005, 09:13 PM
Replies: 38
Views: 11,517
Posted By Rage

Re: O2 Sensors on 496HO??

axapowell,


Actually there is no plans to touch the ECU which I prefer to retain as stock. If the A/F ratio is too lean I would increase the fuel pressure and rerun until it comes iton the...
Forum: General Q & A
11-28-2005, 02:50 PM
Replies: 38
Views: 11,517
Posted By Rage

Re: O2 Sensors on 496HO??

To dial in proper air/fuel ratio when changing to high flow heads, intake manifold and cam so as to prevent detonation.
Forum: General Q & A
11-23-2005, 10:47 AM
Replies: 38
Views: 11,517
Posted By Rage

O2 Sensors on 496HO??

Has anyone successfully installed O2 sensors on the 496HO stock exhaust manofolds?

Thanks!
Showing results 1 to 12 of 12


 
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