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i have a 1999 4.8l 2wd. how much more can i expect out of it. i have a k&N intake on it now and will be getting a exhaust soon. and hopefully a new cam. but can i go out and race it or just try to go easy on it. oh yea its also got 217000 miles on it:)
As long as u have a good tune and the the right parts and it will last for a good while longer. BUT if i was u I would just get a 6.0 and be done with it... Cuz trust me thats what I wish i wouldve done..
My trucks drag strip cherry was popped around 195,000 miles. Now with 230,000 it sees the 6100rpm 1-2 shift at least 5x a day. I beat the piss out of this thing and it still runs strong. :thumb:
haha nice. ill get some pics on here sometime.
it'll last, till you get bored with it... the early 4.8 are very weak compared to any the others
:( reading this somewhat makes me sad with mine have 165,000 miles on it i had actually been looking forward to something going wrong so i would have an excuse for me to drop a 6.0 in it. o well, guess this means i'll have more time to save up for the swap.
I've got a 5.3 (same block) at 165,00 HARD miles, and it doesn't even burn oil. These things are N/A bulletproof lol