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..
2006 extended cab, 6.0 swap, full bolt ons SOLD
2011 ECSB, 6.2, 6 spd, 3.73, 5" lift, 33" nitto, limo tint, debadged, volant CAI, muffler delete, black bear tune 14.0 @ 98 on the 33'sSOLD
2007 TBSS AWD, cam, stall, built trans, N2OSOLD
2006 RCSB cammed LQ9, full exhaust, 3200 stall, 2-4 drop
Originally Posted by farmtruc
49 Ford F1
355 chevy / turbo 350 / 12 bolt posi / camaro subframed
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.
T-RAV99 GMC | 5.3 | Skinny White Guy Tuned
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
Blessed be the Lord my strength which teacheth my hands to war, and my fingers to fight:
Psalms 144:1
Si vis pacem, para bellum
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.
2000 RCSB 4.8
-basic bolt ons but has ambition
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
blown transmissions are about as useful as 97% of the guys on this forum
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