How-To: VTCS Removal and Porting

alright i'm in the garage now trying to get the stock one off so i can put the one i ported and polished on but the ride side wont budge. i checked about 5 times all the bolts are disconnected that i know of. any suggestions? i sprayed liquid wrench on the right side bolts and wholes to try to losen it up. just trying to switch it out before it gets dark. thanks.
 
FL_PR5 said:
alright i'm in the garage now trying to get the stock one off so i can put the one i ported and polished on but the ride side wont budge. i checked about 5 times all the bolts are disconnected that i know of. any suggestions? i sprayed liquid wrench on the right side bolts and wholes to try to losen it up. just trying to switch it out before it gets dark. thanks.
There is a support bar underneath the intake manifold that helps hold it in place. Even if you're just removing the top half you still have to remove this brace so you can move the IM off the studs.
 
Yeah there's no way to get just the top to come loose, both halves have to move.

If I understand correctly you're swapping the entire manifold? I'm not sure if you need to remove the bolts between the two halves to achieve that, but I always have.
 
ha. ^

i removed the 2 bolts between the halves. and i couldn't find a support bar underneath it. i was just trying to remove the top half.

thanks anyways though.
 
The support bar is pretty obvious.. it's a big steel bar going from the intake manifold to if I recall correctly the block. If you can see the bottom of the intake manifold from underneath, you definitely can see the brace or where it should be. It bolts into the intake manifold with two bolts from underneath.
 
oh. well i wasn't going for underneath the block and car view. i was only trying to take off the top IM part. so i never got under the car.
 
Well looks like you might have to go under the car. That area is a pain to work on. I just cleaned my EGR valve under the throttle body and I about lost it trying to get to the two bolts that hold it on. Eventually I just planted one foot inside the engine bay.

Well not to change the subject but has anyone port and polished there throttle body? Are the walls on the throttle body thick enough to bore some of it out to make a larger diameter inside?? Also is there any Porting you can do to the lower porsion of the IM to get any better performance??
 
I am removing my intake manifold right now and we are stuck on how to remove the throttle cable?? Can anyone help us on this ASAP!
 
You just have to pivot the end of the cable and then push that metal thing on the end to either the front or the back
 
one of these days i'm gonna get the time to do this.
any dyno's?
how does this compare to protegegarage.com's single runner IM?
are there any cons to this?
i appologize if i've re-asked any questions
 
protegegarage's single runner is not the same thing. close, but no. with the single runner you lose bottom end. and you should run a mp3 ecu if you live where it gets cold. diy your intake and leave the actuater in and pluged in and youll have the bottom and al littil more upper. and hard starts if you live were it gets realy cold. if you want numbers get the PG intake, mp3 ecu, and dont mess around. hes got them ready to go.
 
Maybe I don't understand... but if you let the car warm up to the right temperature and launch the car at above 3k RPM than VTCS will never effect your performance.......
 
DeadGeneration said:
Maybe I don't understand... but if you let the car warm up to the right temperature and launch the car at above 3k RPM than VTCS will never effect your performance.......

It's enough to scatter the air a bit, plus if you do the port and polish you remove two ledges behind the VTCS. So its not mutch but it helps, aspecially if your staying NA like me every bit helps.
 
Ya i've been reading MP3 reflashes, intake mani modifications or replacements, Combined with stand alone ECU, headers, C02 intake and fuel coolers....makes you feel silly after awhile
 
Got my mani off now and just started porting after threading and plugging the hole. Great guide man!

Also, I'll agree that if you want to truely unlock your top end then get the 626 PG mani, but I mean I dont really have 300 to blow on that, there are more important things performance wise that for me need to come first. So in the meantime it'll be way better than nothing. Plus it keeps me busy during the winter down time ;)
 
Back