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Old 07-09-2012, 12:35 PM   #20
Edahall
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Join Date: May 2011
Location: Goliad, TX
Posts: 672
Re: my new to me 1986 chevy sub

Quote:
Originally Posted by csa daddy View Post
If I turbo it I will proably just swap a 6.5 in it but that will only come after the 6.2 dies. I dOnt need to fly up the highway so the 6.2 does all I need it to plus it gets great fuel mileage. So why mess with it.
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There are also some low costs things you can do to help that 6.2 as well.

1. Biggest bang for the buck will be a free flow exhaust. The stock setup is very restrictive. A super single 3" works well. Or if you want a mean sounding setup, go with dual 2.5" / H-pipe and some old fashioned Thrush / Walker glasspack mufflers.

2. J code air handler (intake manifold). This air handler has no EGR. Or if you want to save some money, you can simply chip out the EGR pedestal.

3. BHAF (Big Honkin Air Filter). Basically, stack 2 air filters on top of each other.

Of course to take advantage of all of this, you'll need to turn up the injection pump.
__________________
1990 ¾ ton 4x4 Chevy Suburban
-Cummins Diesel - 12 valve - factory rebuilt
-6 speed bullet proof manual transmission - NV5600
-Gear Vendors Overdrive - HX35 Holset Turbo
-NP205 iron transfer case
-3.73 gears -2" Lift
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