Thought some of you guys might find this useful. I needed a boost controller for my car and am just too cheap to pony up the cash for one and figured I could make one since they are very simple in design. After a Google search I found that a few people have indeed made them including our own beloved Linc's 200. 8)
I will include a few links to the one I made which cost a grand total of 8 bucks, and everything was available at my local hardware store. It was a matter of drilling and tapping 1 hole, and assembling the handful of parts. By far the easiest part of the turbocharger upgrade.
You will need:
1 1/4" brass "T" fitting.
2 1/4" brass hose barbs
1 1/4" brass cap (this is the part that gets drilled and tapped for the adjusting bolt)
1 1/4" ball bearing
1 spring (I have an assortment of these and found one that worked)
That's it. You drill and tap the 1/4" cap/plug to accept the bolt fine thread is better, trust me. Assemble it as shown in the pics and plumb it inline between your wastegate and boost source. Any compression on the spring will delay the boost signal to the wastegate and thus open it at a higher boost level but obviously will only be adjustable to INCREASE boost. In other words, if you have a 5 psi spring in the wastegte, this type of controller will only control boost at 5 psi and above. It can be placed in the cockpit with long enough hose, but I kept mine under the hood as I never intended to adjust it often.
Parts
http://i127.photobucket.com/albums/p146 ... uazj17.jpg
Assembled
http://i127.photobucket.com/albums/p146 ... q1fjgz.jpg
Installed
http://i127.photobucket.com/albums/p146 ... xllxdw.jpg
Installed 2
http://i127.photobucket.com/albums/p146 ... k6cirn.jpg
I will include a few links to the one I made which cost a grand total of 8 bucks, and everything was available at my local hardware store. It was a matter of drilling and tapping 1 hole, and assembling the handful of parts. By far the easiest part of the turbocharger upgrade.
You will need:
1 1/4" brass "T" fitting.
2 1/4" brass hose barbs
1 1/4" brass cap (this is the part that gets drilled and tapped for the adjusting bolt)
1 1/4" ball bearing
1 spring (I have an assortment of these and found one that worked)
That's it. You drill and tap the 1/4" cap/plug to accept the bolt fine thread is better, trust me. Assemble it as shown in the pics and plumb it inline between your wastegate and boost source. Any compression on the spring will delay the boost signal to the wastegate and thus open it at a higher boost level but obviously will only be adjustable to INCREASE boost. In other words, if you have a 5 psi spring in the wastegte, this type of controller will only control boost at 5 psi and above. It can be placed in the cockpit with long enough hose, but I kept mine under the hood as I never intended to adjust it often.
Parts
http://i127.photobucket.com/albums/p146 ... uazj17.jpg
Assembled
http://i127.photobucket.com/albums/p146 ... q1fjgz.jpg
Installed
http://i127.photobucket.com/albums/p146 ... xllxdw.jpg
Installed 2
http://i127.photobucket.com/albums/p146 ... k6cirn.jpg