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How to: Bore your intake manifold
i may not use this intake manifold, but i thought i might bore it out just incase i don't get around to building a new one before the engine is in the car.
setup on mill: http://i47.photobucket.com/albums/f1...h/DSC08454.jpg http://i47.photobucket.com/albums/f1...h/DSC08453.jpg first setup the manifold so that the t/b mounting surface is flat, then indicate the port to find the center, or as close to center as you can get. the stock casting isn't perfectly round. http://i47.photobucket.com/albums/f1...h/DSC08455.jpg measurement before porting: http://i47.photobucket.com/albums/f1...h/DSC08456.jpg oem tb measurement: http://i47.photobucket.com/albums/f1...h/DSC08457.jpg replacement tb measurement: http://i47.photobucket.com/albums/f1...h/DSC08458.jpg comparision between the two... i will have to modify the replacement to add the map sensor on top. shouldn't be hard to do. http://i47.photobucket.com/albums/f1...h/DSC08459.jpg http://i47.photobucket.com/albums/f1...h/DSC08460.jpg i couldn't fit a proper boring head in the limited travel of my mill, so i opted to use this small flycutter. here it is making the second cut. worked fine with the quill feed engaged. http://i47.photobucket.com/albums/f1...h/DSC08462.jpg finished dimesion (slightly larger than the tb): http://i47.photobucket.com/albums/f1...h/DSC08463.jpg as you can see the casting isn't exactly even all around so make sure you go deep enough to get all the material to make it a smooth transition. http://i47.photobucket.com/albums/f1...h/DSC08465.jpg http://i47.photobucket.com/albums/f1...h/DSC08464.jpg |
Wow that looks amazing!
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is this the S2K manifold aaron?
You don't NEED to mount the MAP sensor on the throttle body, all you have to do is run a vacuum line from the nipple on the throttle body to the MAP sensor (this is how pre 93 or 94 hondas were). |
Originally Posted by zman
(Post 180588)
is this the S2K manifold aaron?
You don't NEED to mount the MAP sensor on the throttle body, all you have to do is run a vacuum line from the nipple on the throttle body to the MAP sensor (this is how pre 93 or 94 hondas were). |
nicely done
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