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actually you would think mass is tuff but it really isn't on diesels. it depends where you go. there still is no smog test required so they never look at anything else other than safety items. my ford's had a straight pipe for 5 years. all i care about for my wife's truck is keeping the...

alot of people seem to block their egr valves on the new diesels. do you think this actually makes a difference in longevity? I know it's less things to break, etc. if my wife's 07 classic duramax (lbz) wasn't under warranty I would block. in fact I will block it after 100k so i will never have...

how good is it? I'm planning on putting amsoil atf in my wife's duramax's allison but the local napa has this stuff on sale for $4 a quart (after tax). thanks

What is the recommended dose for an auto transmission? For what it's worth, it's for an 07 GM w/ an Allison. about 12 quarts total capacity I beleive. I was planning on changing the spin filter every 5k to 10k and putting some LC20 in it. nice and easy. thanks

Ok I've been reading about the filtermag which seems like a good idea, other than the price. I am also pricing out high temp neo magnets which are alot cheaper. i've read the different opinions on these and i want them. http://www.kjmagnetics.com/proddetail.asp?prod=BY042SH&cat=167 I 'm just...

I just checked out Lube Control's redesigned website. under independent tests you can read Southwest Research Institute's test on FP-plus. It sounds really good but I'm confused by what it says about the HFRR test. Did it lower the tested fuel result by .37 mm or to .37mm (if that is the case...

I've read Spicer's fuel additive test over a thedieselplace.com have decided that HFRR test results are very importmant to me in deciding on a diesel

sorry, posted in the fuel additive section, not the oil

any benefit with either of these w/ synthetic oil? I'm thinking a brand new engine here, not one that needs a clean cycle. For what it's worth its 07 duramax. I'm leaning more towards the maintenance dose of LC20 for the money. thank you!

after Spicer's additive test on thedieselplace.com, has FP a HFRR test ever been preformed on it? If not, how would one go about it? any idea of the price? thank you

the tests on the website make it sound good. If it really

we just bought my wife an 07 classic gmc with the duramax and allison combo (it's mine in a couple of years:) I've already changed out the oil once (500 and I'm about to do it again now at 1200 miles) and the rear end at 500. How about the trans? I don't have time (getting underway/ deployed) to...

how can it do both?

What does schaeffer's soyshield do to water? is it an emulsifier or de-imulsifier? What is the treatment rate?

07 classic GMC 2500 cc 4wd 8' bed

buying my wife an 07 gmc with allison and duramax. I get it when it's paid for so I'll be giving it the best possible care. Amsoil or M1 or ?, what's the favorite for the allison. how about amsoil's torque-drive? How does this sound for a plan: I'll drain all I can from the drain plug and...

I use RMI-25 in my 95 PSD very successfully (with coolant analysis once to make sure it was working). I am very impressed with it and have used it in all our liquid cooled engines. Now my wife is buying an 07 LBZ Duramax. with all the stories I've heard about Dexcool, can i add a little RMI-25...

I thought I heard that this is no longer being produced and that's why everyone was stocking up. I would like to start using it in my wife's tundra. I found 6 bottles at AZ covered in dust but since I need 7 I didn't bother buying them. thank you

whatcha think? maybe worth a mpg gain? its an 05 w/ vvt. currently using schaeffer's 5w30, 5k oci, and the wife gets 13mpg. i'd like to run the amsoil to 7500 to justify the cost and take samples. this truck doesn't tow much, maybe a 3k lb boat or hay ride wagon. thanks

which is better? I use a de-emulsifier called ILFC Ten-35 so at some point I will have some water sitting at the bottom of my tank. I also started using FP 60 (for winter use to attempt to prevent gelling) which is a emulsifier so what is that doing when i mix the 2? this is in my 95...