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06-01-2014, 03:56 PM
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#24 |
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Old member
Join Date: Jan 2002
Location: Liberty, & Garden City S.C. , U.S.
Posts: 19,936
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Re: '72 Suburban - 2005 L59 5.3/4L60 swap
2.5" exhaust is plenty for the LS motors unless you have a lot of HP. Nice build by the way.
May I make a suggestion on your cold air intake. 90's model caddy air box. Seal up the factory opening and drill a 4" hole in the bottom of it. Buy one 4" ninty and 2 coupling from Lowes. Drill a 4" hole through the core support and bottom of air box then install the coupling from the front of the truck then the ninty and the other coupling through the hole in the box.       
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1971 LWB Custom, 6.0LS & 4L80E, Speedhut.com GPS speedometer & gauges with A/C. 20" Boss 338's Grey wheels 4 wheel disc brakes. My Driver Seeing the USA in a 71 Upstate SC GM Truck Club 2013,14 and 2016 Hot Rod Pour Tour http://upstategmtrucks.com/ Get out and drive the truck this summer and have some fun! It sucks not being able to hear! LWB trucks rule, if you don't think so measure your SWB! After talking to tech support at Air Lift I have found out that the kit I need is 60811. Per the measurements I gave them. Ride height of truck inside spring and inside diameter of springs. |
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