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#1 |
Registered User
![]() Join Date: Mar 2018
Location: New Jersey
Posts: 377
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Headers recommendation
My blazer has a 350 with headers that do not have room for the drive shaft for the front differential. I have considered removing headers and placing the ram manifolds with flowmaster exhaust. The truck will be going 40 miles an hour at most when I drive it at the beach, and I wonder about the best exhaust manifold setup to use. I'd like to reinstall the drive shaft so it does have 4-wheel drive and will consider putting in headers meant for that if there are advantages to them over stock exhaust manifolds. Thanks for your answers.
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#2 |
Senior Member
![]() Join Date: Nov 2013
Location: East Tennessee
Posts: 2,119
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Re: Headers recommendation
with a stock motor...headers are more trouble than they're worth...good rams horn manifolds will be much less hassle.... just my 2¢.....
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1967 C10 Step side 1968 C10 Step side 1970 Chevrolet K/5 Blazer 1972 Chevrolet K/5 Blazer ............. ![]() |
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#3 |
Registered User
![]() Join Date: Mar 2018
Location: New Jersey
Posts: 377
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Re: Headers recommendation
A guy near me has a set on Craigslist for $30. Are they prone to cracking or warping, I wonder if new remanufactured ones will be less trouble.
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#4 |
Senior Member
![]() Join Date: Nov 2013
Location: East Tennessee
Posts: 2,119
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Re: Headers recommendation
A good factory set would be best...they aren't prone to warping and cracking but it can happen....usually a visual check will reveal a crack....and a straight edge will verify flatness....a good set of metallic gaskets will seal them very well.....torque them down and after a few hours of running...torque them again and forget them...
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1967 C10 Step side 1968 C10 Step side 1970 Chevrolet K/5 Blazer 1972 Chevrolet K/5 Blazer ............. ![]() |
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#5 |
Registered User
![]() Join Date: Mar 2018
Location: New Jersey
Posts: 377
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Re: Headers recommendation
Maybe I'll grab those on Craigslist then, thanks for the help.
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#6 |
Senior Member
![]() Join Date: Nov 2013
Location: East Tennessee
Posts: 2,119
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Re: Headers recommendation
If they're good-----$30 is a decent price
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1967 C10 Step side 1968 C10 Step side 1970 Chevrolet K/5 Blazer 1972 Chevrolet K/5 Blazer ............. ![]() |
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#7 |
Registered User
Join Date: Mar 2007
Location: Oakland, Ca
Posts: 1,381
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Re: Headers recommendation
Stock manifolds, or the 2.5" corvette manifold are a common upgrade.
And if you REALLY want headers (which I can't blame anyone and I run them as well) I think Sanderson makes really nice quality headers that wont leak if installed correctly. |
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#8 |
Registered User
![]() Join Date: Mar 2007
Location: augusta, ga.
Posts: 157
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Re: Headers recommendation
I have a new set of headers for a blazer that I will not use they are Holley Flow tech 11500FLT that fits. Let me know. Thanks Wayne G.
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#9 |
Registered User
![]() Join Date: Mar 2018
Location: New Jersey
Posts: 377
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Re: Headers recommendation
What are you asking for them?
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#10 |
Registered User
Join Date: Dec 2017
Location: Escondido
Posts: 305
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Re: Headers recommendation
X2 on the Sanderson's. Run them on my Jeepster and they have been on two different engines; never had a leak.
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-Bruce 1971 K5 Blazer 4WD ![]() |
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#11 |
Registered User
![]() Join Date: Mar 2007
Location: augusta, ga.
Posts: 157
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Re: Headers recommendation
I would use EARLS HEADERS GASKETS have them on my 69 camaro and not one issue
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#12 |
Workin to live...
Join Date: Jun 2003
Location: Texas Hill Country
Posts: 261
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Re: Headers recommendation
Unless you're making north of 350hp, gains with headers wouldn't be realized. And the extra effort just for the sound of headers isn't worth it, IMO. The headaches of leaking gaskets and fasteners coming loose constantly are another negative.
I'll reiterate the corvette ram horns will flow plenty for a stock-ish Chevy small block, as there are a few flow comparisons over the years by different magazine writers. PLUS, they're relatively cheap, and can be installed in under a six-pack worth of time. ![]()
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Jason |
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