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Old 05-20-2013, 01:25 PM   #1
MikeByrne
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Cool Stock Heads / Headers ?'s

I have a question regarding the stock heads on my 69 c10 (stock 350 two barrel crab). I am getting ready to remove my factory exhaust and put on a set of headers and new exhaust.

So when I bought the truck it came with a set of headers that I would like to put on, the port is circular. I havenít pulled the stock exhaust manifold, circular match up with the head?
Thank you,
Mike
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Old 05-20-2013, 01:27 PM   #2
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Re: Stock Heads / Headers ?'s



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Old 05-20-2013, 02:02 PM   #3
1972SUPERSB
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Re: Stock Heads / Headers ?'s

I'm not sure if its a round or oval port. Pull the exhaust manifolds off and see. I'm sure someone here knows the answer
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Old 05-20-2013, 02:21 PM   #4
leftybass209
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Re: Stock Heads / Headers ?'s

Maybe i'm wrong on the terminology, but they are rectangular shaped. Both heads and exhaust manifolds. I just went out in my garage and looked, as the engine is out. I can post pics of any of it, if need be.
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Old 05-20-2013, 02:21 PM   #5
MikeByrne
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Re: Stock Heads / Headers ?'s

thanks jeff.
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Old 05-20-2013, 02:24 PM   #6
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Re: Stock Heads / Headers ?'s

Correction, they are more oval shaped with flat sides of course. I need a course in geometry i guess.
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Old 05-20-2013, 02:25 PM   #7
MikeByrne
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Re: Stock Heads / Headers ?'s

leftybass209, that would help. i am being very cost conscious, want to insure i have everything before i pull / in case i need to pull out and repair my commuter car or the wife's fam truck. i should note, i am a dad with Twins that are 2! this is already a great start, they love the truck. it was our Christmas car (wife is a photog)
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Old 05-20-2013, 02:26 PM   #8
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Re: Stock Heads / Headers ?'s

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Old 05-20-2013, 02:32 PM   #9
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Re: Stock Heads / Headers ?'s

leftybass209, thats great! and thank you very much. off come the stock exhaust manifold!

I will be placing and order for the gaskets etc this week! floor pans too!
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Old 05-20-2013, 03:08 PM   #10
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Re: Stock Heads / Headers ?'s

[IMG][/IMG]

This is a picture of a surfaced manifold i have. Head ports are same shape.
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Old 05-21-2013, 12:27 PM   #11
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Re: Stock Heads / Headers ?'s

leftybass209, thank you for the pic.

When i noticed that they weren't round i thought the engine might have been swapped. Here is a pick of the old exhaust manifold and the headers i was... going to use. Any suggestions on a good low priced header (thinking full length)?







Block Stamp = 3932386
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Old 05-21-2013, 01:08 PM   #12
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Re: Stock Heads / Headers ?'s

I think most headers will look the same.
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Old 05-21-2013, 01:20 PM   #13
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Re: Stock Heads / Headers ?'s

Bigdav160, thank you for your reply. i thinking a long pipe will not fit past the starter?
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Old 05-21-2013, 02:45 PM   #14
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Re: Stock Heads / Headers ?'s

If you're going to headers,don't go cheap.The cheaper headers ingeneral have a thinner flange(the part that mates to the head) and usually have sealing problems.The thicker flanges help a lot with that.Also use the copper gaskets,they seem to last much better.
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Old 05-21-2013, 02:48 PM   #15
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Re: Stock Heads / Headers ?'s

PanelDeland, thank you for saving me - don't want to be penny wise and pound foolish
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Old 05-21-2013, 02:55 PM   #16
1972SUPERSB
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Re: Stock Heads / Headers ?'s

You don't wanna stick with the stock manifolds? They seal much better and supposedly flow pretty good
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1972 Cheyenne Super SWB 350, Auto, Bucket Seats w/Console, Tach, Factory A/C, P/S ,P/B, Tilt

1998 Chevy 1500 Ext Cab 5.7, Pewter w/blue interior
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Old 05-21-2013, 02:58 PM   #17
MikeByrne
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Re: Stock Heads / Headers ?'s

Hello Jeff, no def don't. I pulled the passenger side like you suggested yesterday. I am searching jegs and summit now for a good fit / price. any suggestions that wont kill the bank?
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Old 05-21-2013, 03:01 PM   #18
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Re: Stock Heads / Headers ?'s

I think Sanderson is suppose to be a good brand. Some other guys may know more than me. I just had new exhaust put on but kept the stock manifolds. Like he said above make sure and get ones with thick flanges at least 1/4 to 3/8 thick
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1972 Cheyenne Super SWB 350, Auto, Bucket Seats w/Console, Tach, Factory A/C, P/S ,P/B, Tilt

1998 Chevy 1500 Ext Cab 5.7, Pewter w/blue interior
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Old 05-21-2013, 03:02 PM   #19
MikeByrne
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Re: Stock Heads / Headers ?'s

thank you, sir.
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