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 Post subject: 5.3 01 silverado
 Post Posted: Sun Dec 19, 2010 4:05 pm 
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Joined: Mon Jan 05, 2009 8:09 pm
Posts: 85
Location: k.c., mo.
my 1/2 ton 2wd short bed truck has allmost 300k on it and although it still runs fine im getting ready to build another engine for it as im sure its going to break sooner or later.i was planning on sourcing another engine and go through it while i keep driving, because i do alot of highway driving i would like to stay around 20 mpg. i was thinking of doing some bowl work along with a good valve job and maybe an ls6 cam , long tube headers with a 2.5 into single 3in. exhaust along with a pcm retune. any ideas on how i could improve on this for more power without screwing mileage upgnicholson
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 Post subject: Re: 5.3 01 silverado
 Post Posted: Tue Dec 21, 2010 9:54 am 
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Joined: Wed Apr 19, 2006 8:20 pm
Posts: 5852
Location: N.J.
I have a 94 C2500 that I use for dragging my car and trailer around and have talked to these guys and have been looking at doing a motor from my truck as well as I can't do a new one with the way money is flowing right now and what I spent on the new bullet in the Beretta... Give them a call very helpful and know what will work and what won't. Let us know how you make out...
http://www.cfm-tech.com/

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 Post subject: Re: 5.3 01 silverado
 Post Posted: Tue Dec 21, 2010 11:53 pm 
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Joined: Mon Jan 05, 2009 8:09 pm
Posts: 85
Location: k.c., mo.
thanks.ill check it out.


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 Post subject: Re: 5.3 01 silverado
 Post Posted: Thu Dec 23, 2010 8:47 am 
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Joined: Sat Feb 24, 2007 6:55 pm
Posts: 847
Location: NW MO.
The one thing I've seen that helps fuel mileage is raising the compression ratio.
I'd do that first by shuting the quench down, and getting rid of the dish piston.

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