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Old 02-24-2016, 12:09 PM   #1
Kook87
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6.0 ls swap in a 69 c10 exhaust suggestions

I am looking for suggestions on exhaust for my new 6.0 swap in my 69 c10. It has the Hedman mid length headers. I was thinking about 3" system. What have you used on your trucks? Mufflers, pipe size, x pipe or any other combo. Also what should I expect to pay? Mild steel and stainless. Thanks in advance.
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Old 02-24-2016, 03:19 PM   #2
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Re: 6.0 ls swap in a 69 c10 exhaust suggestions

I did 2 1/2s with a crossover pipe , paid less than 300
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Old 02-24-2016, 05:27 PM   #3
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Re: 6.0 ls swap in a 69 c10 exhaust suggestions

-
I used 2 1/2" standard duals out the back on the '67 Chevy Panel Truck. $250 with Flowmaster 40 knockoffs....

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Old 02-24-2016, 07:59 PM   #4
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Thumbs up Re: 6.0 ls swap in a 69 c10 exhaust suggestions

6.0 LS with 4l80e installed. 2.5" aluminum with 1.75" long tube ss headers and ss Megaflows.






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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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Old 02-24-2016, 10:09 PM   #5
truckdude239
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Re: 6.0 ls swap in a 69 c10 exhaust suggestions

625 buxs i paided for 2.5 inch with knock off flow masters i wish i could have find a deal liem other guys
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Old 02-24-2016, 10:27 PM   #6
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Re: 6.0 ls swap in a 69 c10 exhaust suggestions

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Originally Posted by truckdude239 View Post
625 buxs i paided for 2.5 inch with knock off flow masters i wish i could have find a deal liem other guys

I have taken 3 trucks to the muffler shop I go to within the last 3 or 4 years. The '71 4x4 pickup, the '69 Suburban, and the '67 Panel Truck. Duals on all 3 with aluminized 2 1/2" pipe & 40 knockoffs. All 3 were $250 bucks each out the door. I would say you were taken advantage of on yours....

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Old 02-24-2016, 10:32 PM   #7
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Thumbs up Re: 6.0 ls swap in a 69 c10 exhaust suggestions

Mine was a little more @ $275.00 for everything from header flange back.
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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


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2013,14 and 2016 Hot Rod Pour Tour


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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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Old 02-24-2016, 10:44 PM   #8
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Re: 6.0 ls swap in a 69 c10 exhaust suggestions

2.5" with crossover and SS 50 series flows with the '68/5.3
sounds good while leaving a stop light or getting on it, but quiet while cruising
I have 50 series on my two other trucks as well. Not the prettiest mufflers but I like the sound
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Old 02-25-2016, 09:00 AM   #9
Kook87
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Re: 6.0 ls swap in a 69 c10 exhaust suggestions

Thanks guys. Mine will probably be more complicated due to all the suspension mods.
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Old 02-25-2016, 01:20 PM   #10
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Re: 6.0 ls swap in a 69 c10 exhaust suggestions

I used the Hooker manifolds and their down pipes. Those were like $370 for the manifolds and $100 for the down pipes. Then I had 2.5 ran out back just like Andy's with Flowmaster 40s. Paid $415 for the exhaust work.
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Old 02-25-2016, 04:50 PM   #11
The Chainsaw
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Re: 6.0 ls swap in a 69 c10 exhaust suggestions

A good mandrel-bent system with an X-pipe and some 18" case Pypes Race pro mufflers sound awesome. Tailpipes will tame the sound inside the cab, but will be a touch louder outside.

Something like that will be 5-6 hours labor @ around $50-80 per hour. This will be the best as far as fitment and power, but not the cheapest. I will always spring the money for something like this over the typical muffler shop job.

Even an only half decent, pinch-bent exhaust by the muffler shop down the street is within $100 of the option above.
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Old 02-29-2016, 01:53 AM   #12
Andy4639
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Thumbs up Re: 6.0 ls swap in a 69 c10 exhaust suggestions

A couple of video's of mine.




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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.
Andy4639 is offline   Reply With Quote
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