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Old 02-26-2012, 11:00 PM   #11
68GMCCustom
Truck and auto performance nut
 
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Join Date: Feb 2007
Location: McKinney,Texas
Posts: 3,848
Re: 85 burb meets 6.0 lq4

1000? Looks like over 1600 to me?


and like WOW.....even I can weld better then that!

headers look great. looks like you had to come in from the top?
how do they fit underneath?

buy like a flowmaster universal kit in galvanized steel. or s.s., your choice. BTW...this has an "H" pipe which is good, or even better find a x-pipe version if you have the room. X -pipe cured a torque loss in my C3 after putting 2.5" true duals on it. even sounded better.
Put it together with either cheap clamps and take it to get welded later...or do it permanently with band clamps. All you need is a saw/cut off and a file or something to clean things up to slide together easier. Just choose the mufflers you'd like to run. For me, I prefer a turbo muffler type (Magnaflow vs a chambered (Flowmaster) muffler. I'd go at least 2.5" pipe for duals....or 3" if you've got the room and like a deeper tone. How far back do you plan to go, all the way out below the rear bumper? Or out the sides behind the rear tires?

Flowmaster/815937




I bought the galv. then found the s.s was only a few bucks more.
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Kurt -

'68 GMC short step - NIB '09 LY6 6.0L crate motor w/mods, NIB '12 crate 4L85e w/billet 3k stall Circle D, 3.73 posi 12 bolt, DynaTech f-swap headers, 3/4 drop, handling mods, etc. - my toy
'72 Chevy LWB C-10 Highlander - 350/350 ps/pb/tilt/ac - not original but close
'06 Chevy TrailBlazerSS - LS2/4L70e - little black hot rod SUV - my DD
'18 Kia Sorento - wife's econo-driver
'95 Chevy S10 - reg cab shortbed, LS, 4.3, auto...

my '68's powertrain and chassis build -links broken
A surprise phase - carb to efi -links broken
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