6.7L Cummins Forum

When I got my last new truck (Gas Engine) I was still pretty old school when it came to oil changes and maintenance in general so when I saw in the owners manual that you could go over 7000 miles between oil changes and not void your warranty I was shocked, but also intrigued
so I had an analysis done by these folks just to prove it myself.

Well I'm happy to say that that led to me testing the threshold of the Mobil 1 extended drain Synthetic after my warranty had ran out and now with my driving style and geographical location I only change my oil every 12 thousand miles and have the analysis to prove the wisdom in doing this so anyone interested in having their oil analyzed you can get free kits from Blackstone labs. They will send you a collection kit for free and then it's only $22.50 to get the analysis done. For those of you who are running an extended drain (5000 miles +) for $10.00 more they will
give you the TBN (total base number) which measures the amount of active additive left in a sample of oil.


Everything you need to read and understand your analysis is here from Bob the oil guy and by the way, Blackstone labs also will test your tranny fluid for you.

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2007.5 Dodge Ram 3500 HD,QC, 6.7L Cummins, 6speed Auto, 4X4, Bighorn Edition.
Click for installs: Carr Steps PML Diff Cover Edge Juice with Attitude Volant Intake Hankook ATM RF10

Here's my oil analysis.

Attached Thumbnails

 

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7.5 3500QC 6.7CTD 68RFE Build date June 2007
Superchips tuner 3808, Boost/EGT Laser Gauge, Airaid cold intake

I shall get mine in the mail so we have something to compare it with.

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2007.5 Dodge Ram 3500 HD,QC, 6.7L Cummins, 6speed Auto, 4X4, Bighorn Edition.
Click for installs: Carr Steps PML Diff Cover Edge Juice with Attitude Volant Intake Hankook ATM RF10

Did you guys ever look into getting the FS-2500 or maybe an Amsoil bypass filter system to extend drain intrevals even furthur, just curious as soon as I get back, in Octish I'm gonna put one in, curious to see if anyone else has already installed and if so what the results were.

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07 2500 4X4 MegaCab 6.7 Edge Juice W/Attitude EGR unplugged Intake Baffle MIA XRT TUNNER 5" TBE 6" AUSSIE STACKS (INSTALLING NOW)

I just back off a 6000 mile tour thru the Rockies with my 5er. I serviced the engine before I left. When I got home my AMSOil remote bypass was here. I drained the oil. Mailed a sample to Blackstone. Installed the remote filter and bypass filter.

I got results back and only thing that was a little elevated was the insoluables. They suggested changing filter.

After 6000 miles I will get sample again and guess...

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CUMMINZ NC
2007.5 CTD, QC-DRW 3500 BFT Laramie, Smarty S-67, AMSOil Dual-Gard Bypass, Custom Line-X 4x4, 4.10LS, 988s, 68rfe, MBRP 5", Mobil Delvac. Yukon free spin, 19.5x245 G647 Goodyear's - 2006 - 37RLTSD Cedar Creek-Day Dreamer
My 2007.5 DRW Truck at www.CumminZ.com

Which one and how much? Oh yeah, how was the install? Thanks.

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2007.5 Dodge Ram 3500 HD,QC, 6.7L Cummins, 6speed Auto, 4X4, Bighorn Edition.
Click for installs: Carr Steps PML Diff Cover Edge Juice with Attitude Volant Intake Hankook ATM RF10

The install was probably a 1/2 day. I had to remove the air box and pipe to turbo. The intercooler rubber pipe to turbo in order to remove the old filter. Installed the gizmo that bolted in place of the old filter. I had 3000# hyd. lines built to use instead of the lines supplied by AMSOil. I mounted the remote gizmo to the frame under passenger seat. BEWARE... The lines do vibrate. The resonated a large noise to the inside the cab. I removed the lines and used 2 pieces of water pipe insulation to cover the lines and they no longer vibrate against the floor board. Great part about this is the ease to change your oil and get to the filters.



Filter adapter part#BK-300 $273.00 included filters in cost.

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CUMMINZ NC
2007.5 CTD, QC-DRW 3500 BFT Laramie, Smarty S-67, AMSOil Dual-Gard Bypass, Custom Line-X 4x4, 4.10LS, 988s, 68rfe, MBRP 5", Mobil Delvac. Yukon free spin, 19.5x245 G647 Goodyear's - 2006 - 37RLTSD Cedar Creek-Day Dreamer
My 2007.5 DRW Truck at www.CumminZ.com

Thanks, I have to say that beats the heck out of $529.00 for the FS-2500 and according to the PDF it filters better too. I think the upgraded hoses are a great idea since I tend to find myself off the beaten path at times.

Attached Files

g1092.pdf (296.4 KB, 26 views)

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2007.5 Dodge Ram 3500 HD,QC, 6.7L Cummins, 6speed Auto, 4X4, Bighorn Edition.
Click for installs: Carr Steps PML Diff Cover Edge Juice with Attitude Volant Intake Hankook ATM RF10

The hose that came with the bypass were "air" hoses. I am sure they would be OK but I am kinda an overkill kinda guy. I did not like the idea of running down the hwy at 70 and springing a leak and barking the motor. Please the HD hdy. lines are very wear resistant.

And "yes" the 2500 is very overpriced.

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CUMMINZ NC
2007.5 CTD, QC-DRW 3500 BFT Laramie, Smarty S-67, AMSOil Dual-Gard Bypass, Custom Line-X 4x4, 4.10LS, 988s, 68rfe, MBRP 5", Mobil Delvac. Yukon free spin, 19.5x245 G647 Goodyear's - 2006 - 37RLTSD Cedar Creek-Day Dreamer
My 2007.5 DRW Truck at www.CumminZ.com

I don't remember where I read it, but a few individuals with the amsoil by-pass have had bad numbers on their analysis, so I guess it all depends on your vehicle,

Here are some numbers from a guy using the FS-2500.


We have 4 trucks that are using the FS-2500 filtration system, works awesome. You are extending your oil changes to well over 10,000km and we did a bunch of oil analysis when we first installed them and the oil was still pure after 8000 km. I say if you want to save money on oil changes it is a worth while product to pick up. It will pay for itself within 2 years depending on how many km's you put on in a year

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07 2500 4X4 MegaCab 6.7 Edge Juice W/Attitude EGR unplugged Intake Baffle MIA XRT TUNNER 5" TBE 6" AUSSIE STACKS (INSTALLING NOW)