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Old 05-13-2009, 02:21 PM
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Eggman Eggman is offline
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Default Info on intake manifold

I recently obtained an Offenhauser Dual Port intake for small block Chryslers.Does anyone know anything about these?
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Old 05-13-2009, 02:40 PM
rampage_82 rampage_82 is offline
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Well i don't know first hand, but I've heard they didn't work well on Chryslers because the ports on Mopars are so small to start with that the dual port was a very restrictive manifold.. I do know they work well on Fords though.. Such as the 351 / 400M....
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Old 05-13-2009, 05:43 PM
aarracer aarracer is offline
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Old 05-13-2009, 08:07 PM
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Door stop material IMO.
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Old 05-16-2009, 10:06 AM
4eyes 4eyes is offline
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had a friend of mine that had 1 one his 440 that he had in a RR i gave him a stock manifold he put it on and the think came alive. in thoery they seems like its a good idea and it might work better with some work tuning. ive never read anything on these but i think the idea is like the edelbrock sp2p made for 0 to 4000 rpm high bottum end torque and miledge. alot of people put sp2p,s on trucks and motorhomes thing like that. but with the extra port on your manifold should give you good higher rpm power also. it seperates the primary and secondaryies on the carb. many carbs are tune a little leaner on the primary and the secondaries r a little rich to compensate. in this manifold the time to mix these different richnesses becomes limited to just your intake port not a very good way to do it in my oppion. i tell people when they ask me about getting one of these that it good for one thing and it doesnt do a good job of it...... put a 4 barrall were a 2 barral was.....i would not use it
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