Emission legal direct replacement carb for a 1978 360?

Emission legal direct replacement carb for a 1978 360?

rumblephish

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Central California
Vehicle(s)
1978 Jeep CJ-5 "Levi's" edition, original AMC 304 V8, T-150 transmission, Dana 20 transfer case, AMC 20 rear end. All stock except for a hotter ignition.
The Holley 64-5180 is a replacement part and it is 50 state emissions legal when used on the AMC 360. The Edelbrock Performer/RPM intake is also listed as a "direct replacement" part and is also 50 state legal.

Can they be used together?


Is the Holley just a reman'd Motorcraft 4350 spread bore? If it is then the Performer intake will not work with it because it doesn't accept a spread bore carb, only square bore. So how can the Edelbrock intake be considered a "direct replacement" and emissions legal when used with the stock carb when it can't even accept the stock carb?


Anyone have any thought on this?
 
I know that they make plates that mount between the carb. and manifold to adapt square to spread bore applications. The plates also are said to help performance.

I would also consider the MC5200, I have one on my AMC 304 , runs great and emission capable.
 

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