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01-15-2015, 08:40 AM
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#1 |
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Registered User
Join Date: Jan 2015
Location: kent,wa
Posts: 22
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mystery seemingly nonexistent chevy exhaust manifold casting number.
Just took the stock manifold s off for headers and thought i would look up well try to look the manifods up just for the hell of it, well 4hours later NOTHING the only thing i found was s post by a member of the chevelle site stating fhe same problem..casting number 3984040
Whats up with fhis? Rare millon dollar manifold! Doubtfull but hey who knows i doubt md and another person are missreading thw same exsact wromg numbers. Good luck
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IF ONE MAN BUILT IT, I CAN FIX IT. |
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01-15-2015, 09:33 AM
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#2 |
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Senior Member
 
Join Date: Jan 2002
Location: Williston, ND
Posts: 2,999
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Re: mystery seemingly nonexistent chevy exhaust manifold casting number.
That's 3994040 which decodes to a car manifold. Non smog.
__________________
68 Chevy CST/10, 50th Anniversary, 327/th400, 373 posi, buckets 68 GMC Shortbox Stepside, 402/th400, Tilt, Tach, Bucket Seats, 3.08 Positraction 69 Chevy Camaro SS, 383, 4 speed, positraction 70 Chevy El Camino SS396, Triple Black, 454/th400, Tach 70 Chevy Shortbox Stepside 4x4, 350/th350, Tilt, Tach, Cab Lights, Bumper Guards, Tow Hooks 70 Chevy 3/4 Longbox, 350/auto, 70k, SURVIVOR 71 Chevy Blazer, CST, 350/auto 71 GMC Sierra K2500, 454, 4 speed, 4.10 posi, 37s 71 Custom/30, Open Road, 350/th400, tilt 72 Chevy Shortbox Fleetside, 496 Stroker/th400, Tilt, Tach, Bucket Seats, 3.42 Posi 72 GMC Sierra Grande 2500. 427/th400, tilt, a/c, tool and stowage, buckets/console, 3.54 posi |
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01-15-2015, 09:43 AM
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#3 |
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Registered User
Join Date: Jan 2015
Location: kent,wa
Posts: 22
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Re: mystery seemingly nonexistent chevy exhaust manifold casting number.
Im pretty certain its a 8 its shaped differently from the 9 and thethe now break or diffrence at all in the form of. 8 and i ran a marker across it and put a paper on it and sure looks lkke 398 to me amd it came off my 71 c30 with.402 bb
__________________
IF ONE MAN BUILT IT, I CAN FIX IT. |
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01-15-2015, 10:56 AM
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#4 |
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The Older Generation
  
Join Date: Aug 2006
Location: Montezuma, Iowa
Posts: 25,818
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Re: mystery seemingly nonexistent chevy exhaust manifold casting number.
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Looks like a 9 to me, the loop is just closed up. LockDoc
__________________
Leon Locksmith, Specializing In Antique Trucks, Automobiles, & Motorcycles (My Dually Pickup Project Thread) http://67-72chevytrucks.com/vboard/s...d.php?t=829820 - |
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01-15-2015, 11:56 AM
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#5 |
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Senior Member
Join Date: Jan 2002
Location: Williston, ND
Posts: 2,999
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Re: mystery seemingly nonexistent chevy exhaust manifold casting number.
The 8 wouldn't have a clean curve on the right side of the digit. I see 399
__________________
68 Chevy CST/10, 50th Anniversary, 327/th400, 373 posi, buckets 68 GMC Shortbox Stepside, 402/th400, Tilt, Tach, Bucket Seats, 3.08 Positraction 69 Chevy Camaro SS, 383, 4 speed, positraction 70 Chevy El Camino SS396, Triple Black, 454/th400, Tach 70 Chevy Shortbox Stepside 4x4, 350/th350, Tilt, Tach, Cab Lights, Bumper Guards, Tow Hooks 70 Chevy 3/4 Longbox, 350/auto, 70k, SURVIVOR 71 Chevy Blazer, CST, 350/auto 71 GMC Sierra K2500, 454, 4 speed, 4.10 posi, 37s 71 Custom/30, Open Road, 350/th400, tilt 72 Chevy Shortbox Fleetside, 496 Stroker/th400, Tilt, Tach, Bucket Seats, 3.42 Posi 72 GMC Sierra Grande 2500. 427/th400, tilt, a/c, tool and stowage, buckets/console, 3.54 posi |
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