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Re: 4.8 Buy or Not????
I would take that deal in a heartbeat. Yes you may be able to find a separate 4.8 somewhere for $500 and maybe find a transmission somewhere for $200-300, but paying the $1,000 gets you a ton of extra stuff that can be used or sold.
That being said, it might actually be more cost effective to even sell the transmission or trade it in for a 2wd model instead of doing the conversion. Honestly I wouldn't run a 4L60e behind anything if I could find a 4L80e for any kind of decent price. Seen too many 4L60e's trashed by even bone stock 4.8's.
My dads 2004 rcsb truck with the 4.8 ran 15.82 at the track bone stock, and crossed the scales at 4950lbs.
A friend with the same setup plus a mild camshaft and little looser torque converter ran 13.90's.
As a cruiser the 4.8 will be awesome. Pretty sweet to think that a 294ci motor can make a comfortable 400hp while getting 25mpg.
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