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How do you know if your engine is ported?

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Old 03-14-08, 11:21 AM
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How do you know if your engine is ported?

how do you know if the engine is ported? what symptoms should it have?
Old 03-14-08, 11:33 AM
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you could try removing the manifold to block ate and feeling down the ports as long as you know what your looking for you can tell
Old 03-14-08, 11:34 AM
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anyone got any better ideas?
Old 03-14-08, 11:47 AM
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There is no way to know for sure without looking at the ports. Vacuum readings can be an indication, but there are a lot of factors which can influence the vacuum reading which makes it not ideal for porting determination.
Old 03-14-08, 11:47 AM
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Originally Posted by davehg
you could try removing the manifold to block ate and feeling down the ports as long as you know what your looking for you can tell
what about engine behavour? other then a bit low vacuum
Old 03-14-08, 01:04 PM
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the sound of it?
Old 03-14-08, 01:17 PM
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Originally Posted by verbatim
the sound of it?
+1

thewird
Old 03-14-08, 01:54 PM
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Originally Posted by verbatim
the sound of it?
A mild port isn't going to alter the sound all that much.
Old 03-14-08, 02:16 PM
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you cant tell unless you open it open it up
Old 03-14-08, 03:21 PM
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The stock engine I heard the other day sounded like this.

brpbrpbrpbrpbrpbrpbrp at idle.

My large street port sounds like this
brrrappbrrrrappbrrrappbrrrrappbrrrappbrrrrapp

When I press on the gas pedal it goes
brrbrrrrrraaaaaaaaaaaaaaap SSHHHHH.
Before I changed to the Synapse BOV it sounded like this:
brrbrrbrrrrrrraaaaaaaaaap PsshhPsshh

~CYD
Old 03-14-08, 03:57 PM
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deffinately sound, i have a large streetport, and it sounds like a helicopter is coming in for a landing if your standing a ways away from it.
Old 03-14-08, 04:16 PM
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Originally Posted by CYD
The stock engine I heard the other day sounded like this.

brpbrpbrpbrpbrpbrpbrp at idle.

My large street port sounds like this
brrrappbrrrrappbrrrappbrrrrappbrrrappbrrrrapp

When I press on the gas pedal it goes
brrbrrrrrraaaaaaaaaaaaaaap SSHHHHH.
Before I changed to the Synapse BOV it sounded like this:
brrbrrbrrrrrrraaaaaaaaaap PsshhPsshh

~CYD
LoL
Old 03-14-08, 04:19 PM
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20b GTX4294R MS Dry-Sump

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put a big turbo on it and see if it works at WOT!
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