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Yes it can do damage, but it can be done right. Posted by Ari [Email]  (#2847) [Profile/Gallery]
(more from Ari) on Tue, 26 Mar 2002 14:47:59
In Reply to: Will it hurt my car........APC switch, 9000 t driver, Tue, 26 Mar 2002 13:35:13 Members do not see ads below this line. - Help Keep This Site Online - Signup |
First off, a LOT depends on the year/engine of your car. That information will help.
Assuming an older, non-Trionic car, when the APC solenoid is DE-ENERGIZED, you are limited to Base Boost. You still have turbo boost, it is just limited. This is typically getting the boost gauge about half-way into the yellow. The turbo is still spinning and all that. The car is just slower.
When the APC solenoid is ENERGIZED, you get FULL boost. This is typically getting the boost gauge up to the top of the yellow/beginning of red.
Now, if you want, you could cut the APC box out of the loop, and just put in a switch to engergize/de-engergize the APC solenoid, tied directly from the fuse box. This is a BAD idea. The reason is that when you energize the solenoid direclty, you lose all APC protection. If the engine starts to knock, the system can't cut back boost, and you can damage the engine.
If for some reason you wanted to limit boost with a switch, just put a switch IN SERIES with the APC solenoid. Open the switch, and the APC solenoid will be de-energized all the time, and you'll be at base boost.
If you close the switch, the solenoid will be energized and you'll get full boost. But the APC controller is there working, and will cut back boost if it detects boost.
Now, if you have a Trionic system, all bets are off, because control is different. But putting a switch in series with the APC solenoid (BPC in Trionic) would work. No need to tap into the fuse box.
posted by 140.157....
, Tue, 26 Mar 2002 14:47:59 <-- Viewing This Message
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