any body want to tell me how to take out the exhausst sleevs? i know you have to do somthing with the pins on each side but what? i was told to take them out and replace with set screws. because it moves from side to side. thanks for you help

 

There is like 3 posts on this in the last day alone,
search dude!

 

basicly use a drill press and a small drill bit to remove the roll pin. Then use a hammer and a flat head screw driver to push the sleave out. I'm sure if you do a search you can find much more detailed info.

 

Weld a few beads onto the pin and yank them out. No need to drill.

 

This is a bad idea, and I question if you have ever done it.

The roll pins are very hard, and it is possible and likely to have your drill pop off and destroy your aluminum housing, not to mention extremely time consuming to drill through the pins.

Here is two failsafe methods (welding runs the risk of warping the housing... very bad; very few people actually quench properly when welding):
1. use an ez-out. Tap it in with a hammer, screw it down in, and grab onto the end with a set of visegrips and pull the pin up and out while turning it.
2. Use a slap-hammer. Very simple. Screw it in, pull on the weight and slap it out. Takes all of 5 seconds. I prefer this method.

I have done both of the above methods, and attempted drilling, but found the slaphammer to be the best.

 

What is the purpose of removing them in the first place, there is no performance advantage.

 

scathcart: I myself have not done it, but I watched Stevenoz on the forum do it. He drilled straight though it like butter, however i believe it was a carbide bit that he was using. I believe the trick is not to drill the pin totaly out, but to remove enough meterial to weaken it to the point that when you push the sleeve out the remaining peices of the pin will break allowing removal.

1FastT2: By removing the sleeves it allows you to make some massive exhaust ports, for use in say, a massive single turbo or bridge ported rotary. Or in some cases, it is good to remove then when converting from N/A to turbo. The N/A sleeves are designed to create backpressure, which you don't want before the turbo.

 

I think he was thinking more along the lines that they would be kept out completely. I have heard of this being done and supposedly causing a loss in power. I have no proof to back this up though.

So he is planning on putting them back in right?