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-   -   Need Some Dyno test results for 496 (https://www.offshoreonly.com/forums/general-boating-discussion/334972-need-some-dyno-test-results-496-a.html)

BUP 03-13-2016 01:24 PM

Have their catalog in my hands it is not for the earlier marine app 496.

BUP 03-13-2016 01:37 PM

https://www.pepboys.com/product/details/9769746/00715

NLA and NLA at all the auto parts store. Been there and done it and have the T shirt for it.

Maybe can find something on an old shelf sitting around new in the package or left over online but you will have to have some luck and time involved.

And if you love google.

BWD is not a Borg Warner Division - they sold that end a long time ago. The quality is not the best to say the least. I would rate as average

Drock78 03-14-2016 09:00 PM

I have OM637000 and OM637001. What sensors do I need?

Knot 4 Me 03-15-2016 07:56 AM

[QUOTE=BUP;4414536]BAM has it in their notes CORRECTLY under your engine serial number

I was going off of this where the cutoff is OM687082 --> http://www.mercruiserparts.com/bam/s.../6272/6708/110

I don't remember 2 sensors being listed last time I looked this stuff up over a year ago. I could have sworn it just showed the NLA sensor. Then again, I could have had my head up my butt like I often do. Looking at the notes on the sensor that is still available I now see where my serial number falls under the sensor that is available.

Pol83x 10-22-2016 07:18 PM

I've been reading this and other posts and still can't seem to find the hp and torque numbers for a 496 mag 375 hp. Does anyone have them?

Keith Atlanta 10-22-2016 08:42 PM


Originally Posted by Pol83x (Post 4493751)
I've been reading this and other posts and still can't seem to find the hp and torque numbers for a 496 mag 375 hp. Does anyone have them?

Havent looked at exact numbers in a while but I remember the Mag/Mag Ho are almost the same till 4000 RPM then the Mag HO builds the majority of its extra 50 HP

The torque on the Mag is around 500 ft lbs at 3000 rpm.

Pol83x 10-22-2016 08:45 PM

Ok, I was looking to see a printout at rpm sheet or curve graph preferable between 3000-5000 every 100 rpm

Keith Atlanta 10-22-2016 08:55 PM

I dont know where theres a stock dyno sheet. Google "Dana Marine 496 Mag/HO". There is a lot of data on the internet with dyno sheets. Just subtract 15 HP/TQ

It will at least get you close and see the approximate curve.

BUP 10-23-2016 12:11 PM

stock results vs SC results --- click on dyno results on the page from link - shows max tq 500 at 3800 rpms -

https://whipplesuperchargers.com/ind...product_id=149

bobl 10-23-2016 07:59 PM


Originally Posted by Pol83x (Post 4493774)
Ok, I was looking to see a printout at rpm sheet or curve graph preferable between 3000-5000 every 100 rpm

I've got a prop shaft dyno run on a 496 mag. But, I don't have the needed membership to post it. Be glad to send it to anyone that would like to have it or post it.

Bob


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