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Brand New Duramax/Allison- HELP!

2K views 13 replies 14 participants last post by  Roegs 
PaulRahoi said:
We are nearing a final purchase of a new 2004 GMC Sierra
2500HD crewcab shortbox SLE with Duramax/Allison.
This is our first new vehicle, and we'd like to keep
it for a looooooooong time, so we want to do everything
in our power to keep the vehicle looking and functioning
well, right from the get go. Thus, we plan to
immediately do the following:

1) Get the vehicle rustproofed-- any
experiences/suggestions in regard to various
rustproofing companies and/or factory rustproofing?

Check with for factory rust proofing warranty .... Aftermarket rust proofing may void it ..... Good maintenance (cleaning) will help also ....

2) Have the bed lined with spray-on liner.
The local dealer handles "Permatech"-- any thoughts?

Soon afterwards, we'd like to get an aux fuel tank,
tonneau cover and nerf bars.

All great ideas....

Do you have any other suggestions? Synthetic tranny oil?
Synthetic motor oil? What other things can you do to
"baby" the truck? Anything you WISH you would have
done from the start?

I prefer synthetic oil in the crankcase do to it's superior lubricating and start characteristics .... Yes, pricey and designed for long intervals, but I change regularly do to modifications regularly ... Nothing is wrong with swapping your tranny over to Tranysnd .....I would at first recommended service flush and fill with Transynd ... Change the spin on at 5000 miles reuse the ring magnet, wipe clean .... I wouldn't baby it drive it like you would normally vary your speed ...... The only thing I would do different is add better fuel filtering,early as mentioned above also ....

Thanks,
Paul.
Above all good luck !!!!!!

Mac
 
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