Are these electronic boost controllers that the jap cars use any good??? i have seen a greddy profec b which looks fairly good and also is not much more than a defi boost gauge to buy.
What happens to the amal valve and wire to it if you fit one of these???

regards mark

 

I have a greddy profec b controller and its awsome very good quality and works a treat

 

Thats the one i am looking at,what happens to your amal valve and wiring???

mark

 

just totally disconnect it