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12-23-2014, 07:37 PM
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#1 |
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Senior Member
Join Date: Feb 2008
Location: Georgetown, Indiana (close to Louisville, KY)
Posts: 778
Likes: 530
Liked 231 Times in 107 Posts
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Re: Bbc cast iron intake questions
You don't say what type of car but, if it's not a corvette (hood clearance) get an after market intake. I run the 427/390 Corvette manifold (aluminum) because I have to and it is a piece of junk.
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12-23-2014, 08:12 PM
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#2 |
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Junior Member
Join Date: Sep 2011
Posts: 10
Likes: 0
Liked 0 Times in 0 Posts
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Re: Bbc cast iron intake questions
I didn't know the stock stuff was that bad. How would it compare to a performer if the plenum was modified.
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12-25-2014, 01:56 PM
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#3 |
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Senior Member
Join Date: Feb 2008
Location: Georgetown, Indiana (close to Louisville, KY)
Posts: 778
Likes: 530
Liked 231 Times in 107 Posts
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Re: Bbc cast iron intake questions
Haven't run an aftermarket on this car but usually they're good for 20 hp.
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12-25-2014, 03:34 PM
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#4 |
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Veteran Member
Join Date: May 2006
Location: Murfreesboro TN
Posts: 5,125
Likes: 1,582
Liked 1,879 Times in 422 Posts
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Re: Bbc cast iron intake questions
Don't hack on the stock manifold, it just isn't worth the time or effort. Besides, hacking on the plenum could result in horrific mixture distribution problems, that could result in engine damage.
Just get the Edelbrock 7164 or 7561, and be done with it, you'll be time and money ahead. We're not allowed to run spacers on stock intakes, so I doubt you'll see any data here for that either. But if you just bolt on one of the Edelbrock intakes, it won't matter, you won't need a spacer.
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Alan Roehrich 212A G/S |
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