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Add a compressor if you don’t have one and this can get expensive, so you really should have the air tools and some good technical skills to attempt porting an intake or a head.
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www.veryuseful.com/mustang/tech/engine/IntakePorting.pd...
www.veryuseful.com/mustang/tech/engine/IntakePorting.pdf
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After porting the intake and exhaust bowls, we moved on to the chambers to unshroud the >> valves. This step involved matching the head gasket with the bolt and dowel-pin holes in order to scribe a cylinder-bore line around the chambers.
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www.chevyhiperformance.com/techarticles/95518_small_blo...
www.chevyhiperformance.com/techarticles/95518_small_block_cylinder_head_porting/index.html
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Basic DIY guide to porting you intake manifold and head ... What is porting? Porting is the process of opening up an air pathway on an engine. Porting is done as a way of increasing engine efficiency and output. If you look at the image below you will see two intake runners.
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volvospeed.com/Mods/porting_intake_manifold.html
volvospeed.com/Mods/porting_intake_manifold.html
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Grand Sport Tech Tips ; Intake Porting by Jim (Tail Lights First) Mason ; ... Porting....After removing the intake, I used a Dremel tool to cut the old intake gaskets to the shape of the cylinder head port. Because the gasket overlaps into the port, there's an easy to follow build-up of carbon on the gasket.
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www.hashmarks.com/techtips/intake_porting/intake_portin...
www.hashmarks.com/techtips/intake_porting/intake_porting.htm
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A tech article on match porting your intake manifold and heads. Find all the details inside Circle Track Magazine ... Intake & Head Porting - Precision Intake Flow...
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www.circletrack.com/techarticles/general/139_0305_port_...
www.circletrack.com/techarticles/general/139_0305_port_matching_engine_porting/index.html
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Bear this in mind when porting the intake side of the head. With a large CJ valve I have seen 340 cfm intake ports that are surprisingly stock in cross section and appearance. When this is done the flow ratios go down in the low 60% range which will require a split duration cam favoring the exhaust side.
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www.reincarnation-automotive.com/Intake-porting-guide-i...
www.reincarnation-automotive.com/Intake-porting-guide-index.html
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Opening the pushrod pinch on the left side helps when the larger intake valve size is used. When shaped correctly this size passage will flow 350 cfm. This is more than adequate for most hot street builds under 600 hp.
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www.reincarnation-automotive.com/intake-porting-guide-4...
www.reincarnation-automotive.com/intake-porting-guide-4.html
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If you type the words "Intake Porting" into the Alta Vista search engine, you'll find an incredible 756,220 pages on the topic !! Every one of those pages will tell you the exact opposite of what ; I'm going to teach you today.
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mototuneusa.com/think_fast_intake_porting.htm
mototuneusa.com/think_fast_intake_porting.htm
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The field of this invention is two stroke engines and, more particularly, relates to an air intake porting configuration that allows an increased cylinder bore and facilitates a corresponding power increase for a given exterior cylinder dimension.
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www.freepatentsonline.com/7258087.html
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