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Topic: Header Installation

in Forum: C3 Fuel, Emission Control, and Exhaust Systems

Header Installation

Posted: 5/31/10 10:27pm Message 1 of 5
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Red Lion, PA - USA
Joined: 10/27/2006
Posts: 1182
Vette(s): 1974 White 350 Corvette, TH400 Automatic 1972 Tangerine /Go Mango Convertible 383 Stroker, 2004r Automatic
tonight I decided it was time to install my headman headers on my 74 automatic trans 350 engine. I have had them since last April. I put the car on a rack and removed the bolts for the manifolds. Had to cut the extension pipes because the previous owner had exhaust installed and they welded 2 spots on each connection about 3/4 inch. once the pipes were off i unbolted both manifolds and lifted out. Placed the new header gaskets in water like i had read about on this forum, then removed spark plugs and oil switch on drivers side. had to also remove the valve covers because they are the tall style and the header was hitting the one on the drivers side. then the drivers side fell right into place and was tightened up. the passenger side wouldnt go in from the top but fit very nice from underneath. bolted it tight and tomorrow night i will reinstall the plugs and wires and fire it up.
From start to finish tonight was only 2 hours. Didnt expect it to go that well!
Have an appointment thursday to have the extension pipes made and that will put me one more step closer to completion. I wonder how many steps there are in completion on a corvette?? 
Just wanted to thank everyone in this group for all your help over the past 2 years. Your help has been greatly appreciated!
Rodney




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Header Installation

Posted: 6/1/10 5:06am Message 2 of 5
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Duncanville, TX - USA
Joined: 11/8/2003
Posts: 20214
Vette(s): #1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/ Am-Fm/map light National/Regional/Chapter NCRS "Top Flight" #2-1985 Bright Red/Carmine Cp.L-98/auto Member: NCRS, NCRS Texas, Corvette Legends of Texas
[quote=rod7525]I wonder how many steps there are in completion on a corvette?? [/quote]

You're assuming there ever IS a completion...
Nice job, and glad to hear you didn't run into any major snafus!! Beer
Adams' Apple2010-06-01 05:07:17


Joel Adams
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Header Installation

Posted: 6/1/10 5:16am Message 3 of 5
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Eastern Oklahoma County, OK - USA
Joined: 1/3/2006
Posts: 1560
Vette(s): 1980 Black L48 T-Tops
Great to hear they went well!  When I put the factory rams horn headers on with the side pipes, I blew out the passenger side donut three or four times before getting everything all lined out nice and straight.

Be careful if you are going to run them open header to the shop.  Don't rev on her, especially when cold.  Wouldn't want to suck a valve...



Header Installation

Posted: 6/1/10 8:41am Message 4 of 5
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Mounds View, MN - USA
Joined: 5/24/2007
Posts: 1031
Vette(s): 70 LT1 coupe, 69 350 HP coupe, 69 390HP 427 coupe, 71 LS5 convert, 85 coupe, 93 coupe
I am old enough to remember when Hedman Hedders were the cheap alternative to good quality headers.  Now they are one of the leaders in quality and fit.

Larry



Header Installation

Posted: 6/1/10 7:05pm Message 5 of 5
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North Charleston, SC - USA
Joined: 3/20/2004
Posts: 4176
Vette(s): 1975 L48 AT AC T-top
Larry,
I remember that too. My dad had headers on everything and he always said that Hedman's were cheap. Funny how things change.
 
Scott



in Forum: C3 Fuel, Emission Control, and Exhaust Systems


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