What is a extrude honed intake? I saw in a stillen catalog that it gives you 10hp.

 

not sure about adding 10hp, but it basically smoothes out the "roughness" of the intake manifold and allows for better air flow....costs about $500 if you mail bot the upper and lower manifolds it to Extrude Hone.

 

Hey, neat! I remember reading about Extrude Hone way back when it was new and exotic. Basically it's a polishing/honing process that forces this really thick (and disgusting looking) abrasive putty through the intake/manifold/whathaveyou and enlarges the interior and/or polishes it out, depending on how far you go. It's a really neat thing because it can polish out areas that you can't normally reach with a grinder.

Probably good for a few horses at least.

 

yeah thats exactly what they say, even after port and polish, extrue hone can be used to "finely" go over the ported sections and catch any extra excess roughness that might be left and it would probably do you some good to have it done to the heads($900 ) as well, throw in some cams and boom, you've got yourself some good HP! heres Extrude Hone's site and price list--->

http://www.extrudehone.com/automotiveaftr.html

 

Since I have a extra set of intake plenum and manifold I'm stuck with what can I do to mod these items. Extrude Honing have been mentioned on this board many times, and I think a couple have tried it with little to no gains depending on mods. One or two SC guys have tried it with no gains, but keep in mind these guys are already running over atmospheric pressure with their blowers. Maybe a N/A motor will be different, but Nissans casting process for our manilfods are alot better than most domestic manufacturers. I've taken a close look at my spare plenum/manifold and it looks pretty good in stock form, no abnormal internal casting flaws. Some have stated just enlarging the ports will yield the same gains for alot less, who knows? I have a have a bored out TB in my garage waiting for me to decide what I'm going to do with these two items, I would like to install all three items the same time. But for $500+ it's kinda hard to decide.

 

What about the throttle body, do you get any gains from boreing that out. I only want to spend the money if im going to get some somewhat significant gains.
Oh yea, how long do you stay a newbie, ive been a member for awhile.

 

its just changed...no more newbie

 

I seriously doubt the gains will be very significant, but if you're going the N/A buildup route, every little bit probably helps!

 

I have yet to install the TB

 

that doesnt make senes? why spend 500 dollars to just smooth out the intake manifold?

its something u can do in ur own garage, and a second car to go to work with, love my dad's old pos 90 camry haha

 

I doubt the average joe has an "extrude hone" machine in his garage.....you're thinking of port and polishing, the two processes are very different! plus I doubt just anybody can do a quality p&p job out of their garage to begin with unless they have some experience.......

 

in that case will you please port and polish my heads!

 

yeah I'm sending mine too!

 

Last thing you want to hear while having your heads worked: WHOOPS!

 

haha dont u hate it when that happens?