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#11 |
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I don't think a 318-4 manifold is gonna be legal. They were 1978 and newer and were Thermoquad only. I think you'll need a manifold with the "little AFB" pattern.
I believe Paul Wong and Bill Bushmaker have experience with these engines. As Jeff said, if the Edelbrock is legal, that will help a lot! |
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#12 |
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Paul Wong is running the LD4B. It was approved for the 273 mid to late last year. It's probably worth a 25 HP improvement...
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Jeff Lee 7494 D/S '70 AMX |
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#13 |
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Back in the early 70`s, I had a daily driver 65 Valiant Signet 2 dr HT with a factory 273/235HP & 4 speed.It had an iron intake manifold, but I later installed an Edelbrock LD4B, but to make it fit, I had to hog out the intake bolt holes, and used flat washers with the bolts. I remember seeing some other LD4B intakes with Chrysler part numbers on them, but mine did not. Was that a D Dart thing, or a over the counter MoPar sold intake?
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#14 | |
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#15 |
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Even AMC had a factory p/n cast into the Edelbrock R4B. In fact, I think all the "4B" series by Edelbrock had a factory p/n cast into them at one time (Buick, Pontiac, AMC, Chrysler...)
Somebody really snookered NHRA on this ![]()
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Jeff Lee 7494 D/S '70 AMX |
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#16 |
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Jeez,too bad you can't put one on a stocker.Especially with a Holley on top.
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Former NHRA #1945 Former IHRA #1945 T/SA |
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#17 |
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I have seen copies of the original factory data showing the Holley carburetor as an approved replacement carb and the intake as an over the counter option. Do not know why NHRA has not approved the intake and Holley for the AMC applications, but will do it for other makes.
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#18 | |
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Jeff Lee 7494 D/S '70 AMX |
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#19 |
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So. Does anyone have the p/n for this intake and better yet a picture of this intake?
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#20 |
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LD4B - Chrysler part# 2836139 (?)
http://victorylibrary.com/graphics/LD4B.JPG I'm pretty sure that the earlier version of the LD4B with the different angled bolt holes would have had a different part #. I'll post it if I find it. Jeff gave me a hint with his AMC intake designation. Now that I think about it, I'm pretty sure the early Edelbrock 273 intake was called an D4B. Last edited by Myron Piatek; 04-14-2010 at 07:25 PM. |
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