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02-15-2011, 09:31 PM
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#1 |
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Registered User
 Join Date: Dec 2009
Location: Durham,NC
Posts: 636
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Exhaust size 67 C10?
I am curious what size exhaust you guy's are using on your C10 trucks? We have a 67 C10 with 350 and small cam and wondering what size exhaust would be recommed? Thanks guys!
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02-15-2011, 09:50 PM
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#2 |
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Account Suspended
Join Date: Jan 2009
Location: Kuna, Idaho
Posts: 1,046
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Re: Exhaust size 67 C10?
I've learned that 2.5 inch exhaust works best for small blocks due to back pressure reasons yet they also sound good. Any bigger I've heard to use for big blocks.
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02-15-2011, 10:37 PM
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#3 |
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'67 C-10 LWB Driver
Join Date: Dec 2010
Location: Andover, Kansas
Posts: 380
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Re: Exhaust size 67 C10?
good to know! kind of related....is there a web page where you can hear what different mufflers sound like? Don't mean to hijack your thread...but i have no exhaust yet, and so this will be useful for me!
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'67 C-10 LWB - My Build Thread  '67 C-20 LWB - My Donor/ Parts truck - SOLD! '92 GMC SAFARI VAN - My Parts Go Getter '06 KIA SPORTAGE EX - My Commuter "All of this crap better make a truck!" - my wife Sue. Proud U.S.M.C. Dad! |
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02-15-2011, 10:48 PM
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#4 |
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Registered User
Join Date: Dec 2009
Location: Durham,NC
Posts: 636
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Re: Exhaust size 67 C10?
Why I posted it I did a straight 6 to a 350 swap!
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02-15-2011, 11:18 PM
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#5 |
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Cruzin
Join Date: Dec 2009
Location: on the road
Posts: 2,835
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Re: Exhaust size 67 C10?
i always run 2.5 on my small blocks
__________________
Lime Wife's 67https://www.google.com/url?sa=t&rct=...wZEMODaS2d94u8 Back to the Fifties 59 https://www.google.com/url?sa=t&rct=...NAeStpydfrcj_U Proverbs 3:5,6 "Thanks to the Interstate Highway System, it is now possible to travel across the country from coast to coast without seeing anything."Charles Kuralt In memory of our first baby daughter, daddy and mommy love you. Danica Grace 6/26/14
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02-15-2011, 11:22 PM
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#6 |
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yes, i do
Join Date: Jun 2007
Location: Spokane, wa
Posts: 2,734
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Re: Exhaust size 67 C10?
for stock to mild sbc's 2.5 is perfect. anything bigger any you loose low end torque and power. for really hopped up sbc's, turbo'd, or supercharged motors the bigger the better.
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ERROR 404....... SNAPPY COMEBACK NOT FOUND  _______________________________________________________________________________________________ -60 Chevy C10, dead 350/good th350 combo, sitting on a 76 c10 blazer frame, built from 11 different vehicles "the abomination" -07 gmt900 silverado 1500 lt xcab z71, granite blue -81 suzuki gs650g "shelah"- current project -81 kz1000m1 csr "sarge" -next project (just beautification) -07 kawasaki vulcan classic vn900 |
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02-15-2011, 11:24 PM
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#7 |
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Registered User
Join Date: Jul 2010
Location: Peculiar, Missouri
Posts: 125
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Re: Exhaust size 67 C10?
Just curious if you plan to use the stock manifolds? I think they are 2" or 2 1/4' outlet? Can you use a 2 1/2 pipe with the stock manifolds?
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02-16-2011, 12:43 AM
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#8 |
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yes, i do
Join Date: Jun 2007
Location: Spokane, wa
Posts: 2,734
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Re: Exhaust size 67 C10?
yes, but you will either need to get the step-up from a parts store or have the exhaust shop flare the pipe for you
__________________
ERROR 404....... SNAPPY COMEBACK NOT FOUND _______________________________________________________________________________________________ -60 Chevy C10, dead 350/good th350 combo, sitting on a 76 c10 blazer frame, built from 11 different vehicles "the abomination" -07 gmt900 silverado 1500 lt xcab z71, granite blue -81 suzuki gs650g "shelah"- current project -81 kz1000m1 csr "sarge" -next project (just beautification) -07 kawasaki vulcan classic vn900 |
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02-16-2011, 07:28 AM
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#9 |
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Registered User
Join Date: Dec 2009
Location: Durham,NC
Posts: 636
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Re: Exhaust size 67 C10?
long tube headers
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02-17-2011, 09:41 PM
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#10 |
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Registered User
Join Date: Dec 2009
Location: Durham,NC
Posts: 636
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Re: Exhaust size 67 C10?
anyone?
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02-17-2011, 10:56 PM
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#11 |
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yes, i do
Join Date: Jun 2007
Location: Spokane, wa
Posts: 2,734
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Re: Exhaust size 67 C10?
in that case then the collectors that come with the headers should be for 2.5" exhaust systems
__________________
ERROR 404....... SNAPPY COMEBACK NOT FOUND _______________________________________________________________________________________________ -60 Chevy C10, dead 350/good th350 combo, sitting on a 76 c10 blazer frame, built from 11 different vehicles "the abomination" -07 gmt900 silverado 1500 lt xcab z71, granite blue -81 suzuki gs650g "shelah"- current project -81 kz1000m1 csr "sarge" -next project (just beautification) -07 kawasaki vulcan classic vn900 |
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02-17-2011, 11:05 PM
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#12 |
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Registered User
Join Date: Feb 2010
Location: Santa Clara Utah
Posts: 85
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Re: Exhaust size 67 C10?
Get the manifolds from a vette (1962 i believe). I just ordered mine for $120 new. They re 2.5 made by Dorman. Way cheaper than good headers and supposed to be a good performance upgrade.
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1972 K10 4wd Swb 350, 4 speed, 205 t-case Sold 1971 Cheyenne 2wd Lwb 350 4 speed Sold 1972 K5 blazer 4WD auto A/C |
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