port and polish upper and lower intake
09-28-02, 11:11 PM
#1
boost on the way(GTU II)
Thread Starter
port and polish upper and lower intake
IM GETTING MY INJECTORS cleaned and while i take everything off for that im going to waste no time in porting my intake i am going to have someone do it port and polish and also i am goin to do the tb mod while off and try to bore the tb some what do u think i will get out of doing this? good pick up speed ? how much hp gain u think ? thanks guys u have been a great help
jack sig at bottom
jack sig at bottom
09-28-02, 11:19 PM
#2
You should notice a significant differance. Although no one has any dyno proof of how much one gains from porting their Manifolds and doing the TB Mod.
It would be suggestable to check the sticky on top to see not only how It's done but peoples REGARDS on It.
It would be suggestable to check the sticky on top to see not only how It's done but peoples REGARDS on It.
09-29-02, 12:04 AM
#5
Originally posted by seventhgear
I HAVE THE THREAD ON PAPER ALREADY I HAVE DONE MY HOMEWORK but i have never heard of anyone porting the s4 intake
I HAVE THE THREAD ON PAPER ALREADY I HAVE DONE MY HOMEWORK but i have never heard of anyone porting the s4 intake
There was atleast 3 dudes with s4 Intakes that were Impressed with the gains achieved after porting their Manifolds.Ironically enough, I will be disassembling my Intake tomorrow to give It a nice porting. I'm doing this also b'c I know 2 people personally that are Infavour of this free mod.
Whats up with that?
09-29-02, 12:08 AM
#7
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Yeah it's a free mod, but has anyone payed any money to have theirs done by using the Extrude Hone process? I hear it's supposed to work wonders. How would the rotary respond to a very well ported intake manifold.. any negatives?
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09-29-02, 10:41 PM
#9
boost on the way(GTU II)
Thread Starter
well i copied the thread months ago like when it was first stickied so there was noone with a s4 on the thread as of then only the 89 swap he was talkin about
09-29-02, 10:59 PM
#10
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where to go to be extrude honed? shipped out??...also i ported my enitre manifold out in individual pieces and then measued the amount of space i had offset my using a bsaic method...filled the intake with water before and measured volume, then did it after....the manifold had an increase of 18+% in internal volume, howver my mechanic that put in my motor crack it on the install 
09-30-02, 08:48 AM
#13
Originally posted by crossbar17
where to go to be extrude honed? shipped out??...also i ported my enitre manifold out in individual pieces and then measued the amount of space i had offset my using a bsaic method...filled the intake with water before and measured volume, then did it after....the manifold had an increase of 18+% in internal volume, howver my mechanic that put in my motor crack it on the install
where to go to be extrude honed? shipped out??...also i ported my enitre manifold out in individual pieces and then measued the amount of space i had offset my using a bsaic method...filled the intake with water before and measured volume, then did it after....the manifold had an increase of 18+% in internal volume, howver my mechanic that put in my motor crack it on the install
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