"Acid Ported" Cast Iron Small Block Chevy
& Small Block Ford Intake Manifolds
Gain a couple hundred rpm, reduce lap times and nobody will ever know your have a modified intake manifold |
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We call stock intake manifolds “mother-in-law” intakes; since there is generally nothing really good about a mother-in-law or stock intake manifolds, unless you want to run in the middle of the pack and get nagged all the way around the track for not being faster.
The solution to stock mother-in-law intakes is simply to get more air through it. Now, the easy way is to port the manifold. But, if you are not allowed to port the intake, our acid porting procedure will do an awesome number on stock cast iron intakes. Our acid intake will allow the motor to turn higher rpm, make more horsepower and reduce lap times. On an engine running 6,500 to 7,000 rpm we’ve seen a couple hundred more rpm and lap times reduced up to two-tenths of a second. And the best thing is the acid modifications will be just about impossible to tell, even if the manifold is pulled off the engine.
So, you get the best of both worlds: A faster race car and no one will ever know; just don’t tell your mother-in-law. |
During the acid procedure approximately 3 pounds of material is removed from the manifold. The manifold retains a totally stock external appearance. |
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In the original form, the Chevy cast iron intakes were designed to run from idle to 3,000 rpm. However, on a race engine, the engine never sees anything less than 3,500 rpm on the track. This is the reason the stock intakes are so restrictive for a race application. As the dyno charts show, the addition of a ported cast iron Brzezinski intake will add 20 to 50 horsepower to your engine from 3,500 to 7,000 rpm. If you are interested in performance below 3,500 rpm, such as for a tow vehicle, keep the intake stock. If winning races is your goal, get one of our modified intake manifolds. |
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Free Custom Camshaft: Now, with your purchase of a complete set of modified heads and a matching, modified intake manifold, we will supply a custom ground flat tappet camshaft designed specifically for your application. The custom flat tappet camshaft, which normally would cost $185.00, will cost you nothing! Cylinder Head Design Form: Fill out our online form for a recommendation and pricing on a set of heads and intake manifold built specifically for your application. Sending your parts to us for modifications? Brzezinski Racing Products, Inc. The #1 Name in Cast Iron. Contact Us or Call toll free at: 866-236-6300
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