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#1
08-08-2018, 12:24 AM
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Header Help - 69 Chevelle L78
Since my car has a fresh engine, and this car is a day 2 vibe car, I want to put headers on. I plan on installing 1 7/8" long tube headers, ceramic coated, but don't know which brand has the best fit? May car is a manual steering car.
Thanks!
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65 Corvette Coupe L78 67 427/390 Vette Coupe unrestored 67 L-79 Vette roadster (Top Flight) 69 L71 Roadster Survivor 69 L46 Roadster Survivor (Sold) 69 Z/28 RS (Sold) 69 Dodge Charger R/T 70 W30 442 Auto Air Survivor 2016 Z06 Coupe M7 70 AAR Cuda (Sold) 69 L78 Chevelle (Sold) 
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#4
08-08-2018, 02:30 AM
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These?
1969 CHEVROLET CHEVELLE Hooker Super Competition Headers 2250-1HKR
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65 Corvette Coupe L78 67 427/390 Vette Coupe unrestored 67 L-79 Vette roadster (Top Flight) 69 L71 Roadster Survivor 69 L46 Roadster Survivor (Sold) 69 Z/28 RS (Sold) 69 Dodge Charger R/T 70 W30 442 Auto Air Survivor 2016 Z06 Coupe M7 70 AAR Cuda (Sold) 69 L78 Chevelle (Sold)
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#7
08-08-2018, 11:31 AM
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I am using 1.835" inch tubes. Engine builder suggests this size. What size are you guys using?
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65 Corvette Coupe L78 67 427/390 Vette Coupe unrestored 67 L-79 Vette roadster (Top Flight) 69 L71 Roadster Survivor 69 L46 Roadster Survivor (Sold) 69 Z/28 RS (Sold) 69 Dodge Charger R/T 70 W30 442 Auto Air Survivor 2016 Z06 Coupe M7 70 AAR Cuda (Sold) 69 L78 Chevelle (Sold)
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#9
08-08-2018, 03:47 PM
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Header Help-69 L78
Hooker super comp #2217-1 for hooker ceramic coated headers, #2217 with black paint & you have them coated. 2" primaries 35" long with 3 1/2" 10" long collectors and they fit with PB,PS,AC, both stick and auto trans. 2" primaries recommended by Chevrolet Power Manual and How to Hotrod Big Block Chevy books. Don.
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#10
08-08-2018, 07:15 PM
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What I have experience with are Hookers. At track you will not gain or loose MPH with comp vs super comp. I doubt you will see any seat of the pants feel 1 7/8" vs 2" as its worth about 5 lbs under 4000 rpm on dyno. I have used both sizes of comps and 1 7/8 did have better spark plug access. I also order them plain, fit them, then ship out for coating.
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