MAP source for Megasquirt - Tuning Forum

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MAP source for Megasquirt
Saturday, March 03, 2007 10:34 PM
Where do you guys get your map readings? Do you run a vacuum hose from your fpr line, or tap into a Map sensor wiring?

Which is better?




Re: MAP source for Megasquirt
Sunday, March 04, 2007 12:09 AM
MS is extremely flexable with where you hook up the map hose. As long as it gets an unrestricted reading from after the throttlebody it is good. I have heard of the test being done with up to 100ft of hose with no lose in function.
Re: MAP source for Megasquirt
Sunday, March 04, 2007 8:42 PM
really any source of vaccum after the TB will work fine..

but when I had my MS hooked up to the 2200 i used the FPR




Re: MAP source for Megasquirt
Monday, March 05, 2007 4:30 PM
I have hard lines run from the computer to the other side of the firewall near the intake manifold with rubber hoses connecting the components.



Cardomain|Myspace

Re: MAP source for Megasquirt
Monday, March 05, 2007 8:57 PM
One of the easiest ways is to tee into your brake booster line. It is right by the firewall and as I said distance doesn't effect the signal.
Re: MAP source for Megasquirt
Monday, March 05, 2007 9:27 PM
T it into the brake booster line? It's huge...



Re: MAP source for Megasquirt
Tuesday, March 06, 2007 4:07 PM
No reason not to.
Re: MAP source for Megasquirt
Tuesday, March 06, 2007 6:51 PM
Are you kidding me? Perfect headline...Retard decides to T into brake booster line, connection breaks, and flys through a stoplight killing a family of 5.....no reason not to right?
Re: MAP source for Megasquirt
Tuesday, March 06, 2007 6:52 PM
Please think before you act....its real simple to t into the fpr vaccum line or even this great idea!!!! Right off the t/b where the stock map sensor gets its reading from!
Re: MAP source for Megasquirt
Wednesday, March 07, 2007 2:29 PM
You don't worry about the stock connection coming off. If you can't make another connection that holds as good as stock then you shouldn't be installing a MS.
Re: MAP source for Megasquirt
Wednesday, March 07, 2007 9:56 PM
I am not worried about my abilities to make a connection as good as the stock connection is....but...it still is a RETARDED idea to be cutting into a brake booster vaccum sorce. If you cant figure out why this is a dumb a$$ idea on yourself, you need far more help then this site will ever give you. If I opened up an engine bay and saw somebody using the brake booster vaccum sorce as a vaccum reference for a MAP sensor, I would laugh in your face, along with everybody else taht opened up your engine bay. I am not affraid of my abilities to keep my finger off the trigger of any of my many guns, but I still wouldnt be willing to put a loaded gun up to my forehead while keeping all fingers off the trigger....

Re: MAP source for Megasquirt
Thursday, March 08, 2007 9:26 AM
Why is it retarded??? any person that works on a car knows that even if the brake booster line isn't hooked up to vaccuum you will STILL HAVE BRAKES..you just have to push harder to stop, all a brake booster does is allow for easier braking..

and i don't know about you, but i have never had a vacuum source come of when i did my megasquirt..

the brake vacuum will work, is it the best idea, no because there is easier sources...but the brake booster will work




Re: MAP source for Megasquirt
Thursday, March 08, 2007 7:20 PM
Yeah. Just wanted to say it was a viable option. For my application (not a cavalier) it was what was easiest and neatest. Just trying to help out since I'm only getting info for friend. Not trying to start an arguement.
Re: MAP source for Megasquirt
Tuesday, March 27, 2007 6:27 PM
I have it..... had it.......will have it running on my car, and I used the small nipple on the manifold. I know you dont have one becuase of your manifold. and that "thing attached to it" but any vac signal will pretty much work.


"boobs now with Riboflabin"
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