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Author Topic: Headers  (Read 9598 times)

Offline figure843

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Headers
« on: October 12, 2010, 06:42:32 pm »
What are the best headers to run on my 84 silverado 350c.i.
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1984 SILVERADO LWB 350/400
1988 SILVERADO K5 BLAZER 350/700R4/NP208/3:73/6"RC LIFT/38.5/15/15 BOGGERS

Offline 4x4orbust

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Re: Headers
« Reply #1 on: October 12, 2010, 08:33:48 pm »
this is a debate that never sees any end.   do a search and you will find hours of reading...  many have asked the same question.   i like my hedman long tubes.
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1982 chevy K-10 SWB, 355 th350/np208. 2.5"lift, 33" swampers, headers/duals,  current project

Offline cvbear

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Re: Headers
« Reply #2 on: October 12, 2010, 08:54:02 pm »
I also have Hedmanns.  The ceramic coating is great if you can afford it.  If not, it will run just as well with the plain steel ones, they will just not look as good or last as long.
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1984 SWB Silverado fleetside, 350 crate engine, 350 trans

Offline figure843

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Re: Headers
« Reply #3 on: October 12, 2010, 09:09:32 pm »
All input much appreciated. Will do a search. thanks
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1984 SILVERADO LWB 350/400
1988 SILVERADO K5 BLAZER 350/700R4/NP208/3:73/6"RC LIFT/38.5/15/15 BOGGERS

Offline N2TRUX

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Re: Headers
« Reply #4 on: October 12, 2010, 09:18:05 pm »
Is your truck stock or modded? Is it lowered or lifted? A stock motor with a small 4 barrel is going to need a lot less than a bored, stroked and cammed motor. If it's stock height or lifted, long tubes are fine. If it's lowered you want to go with mid length or shorties.

Give more details and you might get more input.
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Offline figure843

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Re: Headers
« Reply #5 on: October 12, 2010, 10:11:20 pm »
Front not lowered. mild cam. will be going bigger with cam and heads in the future. tks.
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1984 SILVERADO LWB 350/400
1988 SILVERADO K5 BLAZER 350/700R4/NP208/3:73/6"RC LIFT/38.5/15/15 BOGGERS

Offline ohio hab

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  • 1984 C-10, 383 SBC
Re: Headers
« Reply #6 on: October 12, 2010, 11:42:32 pm »
Hooker Super Comps
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Offline Layne

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Re: Headers
« Reply #7 on: October 13, 2010, 12:47:39 am »
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77 c-10 - 77 400 86 700r4 "Emmy"
83 citation - 2.5L Four on the Floor!
88 sierra - reman 350 700r4 "Eleanor"
All normal practicality and rational money handling goes out of the window when it comes to my truck.

Offline Psycho71

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Re: Headers
« Reply #8 on: October 13, 2010, 10:03:43 am »
I like Hookers myself. I generally run the straight comps with 2.5" exhaust. if I were to get more radical, the super comps with 3" collectors would be the ticket. I've heard good things about Headman too, just always bought the tried and true Hookers.
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Offline Swims350

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Re: Headers
« Reply #9 on: October 13, 2010, 01:09:30 pm »
well if you buy the painted ones they'll rust and burn the paint off right away, so I'd go ceramic coated or stainless. ceramic is expensive, and you can buy stainless long tubes on ebay for about $160, that's how I'd do. I run the cheap headers all the time, flowtech, dynomax and summit brand. They work, they fit about all you can say.
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Offline beastie_3

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Re: Headers
« Reply #10 on: October 13, 2010, 10:52:43 pm »
I like my Thorley Tri Y headers. Flanges are thicker than normal and have a nice coating.

« Last Edit: October 13, 2010, 10:56:00 pm by beastie_3 »
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Offline Layne

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Re: Headers
« Reply #11 on: October 13, 2010, 11:44:36 pm »
I've got flowtech shorties on my sierra and I actually drive that and their not rusty like my hookers.
Just want to add that...
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77 c-10 - 77 400 86 700r4 "Emmy"
83 citation - 2.5L Four on the Floor!
88 sierra - reman 350 700r4 "Eleanor"
All normal practicality and rational money handling goes out of the window when it comes to my truck.

Offline motion427

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Re: Headers
« Reply #12 on: October 23, 2010, 04:32:50 pm »
1 5/8" primaries w/3" collector will work for most application. For Hi Horsepower SBC, 1 3/4" primaries works well.
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86 K10,350 Roller Cam,T350,NP205,10 bolt posi,12 bolt posi,33" tires.
85 K30,454,T400,NP205,Dana 60,14 bolt,being built now.
04 Avalanche Z71,6.0L,TVS 1900,Dynatech,Corsa,etc...
06 TBSS,AWD,6.0L,Kooks,C6 fan kit,etc...
75 Nova SS,502,T350,12 bolt

Offline Dr_Snooz

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Re: Headers
« Reply #13 on: October 24, 2010, 02:56:20 pm »
Speaking as a Californian, finding out what headers are smog legal in your state will narrow your choices considerably.
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1989 Chevy Suburban V-2500, 5.7L, TH400

1990 Chevy C-3500 Ext. Cab, 7.4L, 3L80

2009 Chevy Silverado 1500 WT 4WD, 4.8L, 4L60

Offline beastie_3

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Re: Headers
« Reply #14 on: October 24, 2010, 04:02:05 pm »
Thorley has smog legal headers, as well as edelbrock.
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