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Re: What were the exhaust manifolds for 1970 383...
[Re: ksat]
#2576202
11/09/18 02:57 AM
11/09/18 02:57 AM
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Joined: Nov 2003
Posts: 36,040 Lincoln Nebraska
RapidRobert
Circle Track
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Circle Track
Joined: Nov 2003
Posts: 36,040
Lincoln Nebraska
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I'm way out on a limb & just guessing but I would think the HP's would have the good arched ones (#'s are in the archives or at www.bigblockdart.com) & the regular 383's would have the logs.
live every 24 hour block of time like it's your last day on earth
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Re: What were the exhaust manifolds for 1970 383...
[Re: 6bblgt]
#2576698
11/10/18 09:41 AM
11/10/18 09:41 AM
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Joined: Mar 2008
Posts: 9,550 Sacramento CA
Morty426
master
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master
Joined: Mar 2008
Posts: 9,550
Sacramento CA
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1970 B & E-body 383 single exhaust 290hp 383 2-bbl ("L"-code E61 "blue" engine) - log manifold on RH & dual exhaust manifold on LH dual exhaust 330hp 383 4-bbl ("N"-code E63 "blue" engine) - dual exhaust manifolds (arched "HP" style) dual exhaust 335hp 383HP 4-bbl ("N"-code E63 "orange" engine) - dual exhaust manifolds (arched "HP" style) In other words the passenger side manifold is the difference and the important one to find
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Re: What were the exhaust manifolds for 1970 383...
[Re: ksat]
#2577427
11/12/18 09:42 AM
11/12/18 09:42 AM
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Joined: Dec 2003
Posts: 3,519 Lansing, MI
70gtx440dana
master
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master
Joined: Dec 2003
Posts: 3,519
Lansing, MI
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Casting numbers are 2951865 & 2899879 for the HP manifolds.
70 Road Runner 383-4 4 speed FJ5 & black guts 70 Charger R/T 440-4 4 speed FJ5 & white guts
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