how did you get the breaks to work on your cars with the vortec intake manifolds that dont have a vacume port to the power breaks? did you just T them off of something else? i have 2 open the one for the emissions stuff and one for the egr that are just pluged up can you use them, are they enough?

 

I thought I read someone running the vac lines off the tbi itsself? Either that or Im a total idiot

------------------
Chuck Kulchar
1991 RS
Open Element w/K&N
3.42 - posi - disc
3" cat and Force II cat-back

 

I beleive that there is a tapped hole behind the tbi on the manifold that I screwed a right angle pipe fitting on and rigged the old hard line to work. I say rigged because I'm going to rerun some of the plumbing and wiring when I have time. JP has some pics on his website that might be able to help you. I can't remember if they showed the brake plumbing. Any more questions I'll be home by 5pm EST. Good luck!

------------------
91 RS 350TBI..... Vortec heads..... Holley 670..... Edel. intake .... Lt4 cam 1.6 rollers ..... Edel. TES headers .. 3" exhaust ..... 5spd 3.08

 

The plug fitting that goes to the MAP is what I tapped off of. There should be a picture on my site of the vacuum fitting. It's the stock piece screwed into the new manifold. I might be wrong mixed up on this but I think the TB vacuum fittings are "ported" and the one in the intake runner isn't. The ported has a wide range of readings so you won't always have a good reliable source.

------------------
, Jon (350 TBI!)
91 Red My website

 

Thanks i get the idea now. and JPrevost i like your web site i have not been able to get on it lately because it i could not get to cars Or my computer was too much of a piece of crap to load it up but anyways your site is very good and it explains just about every thing and i would like to say thank you for taking your time to make it.
Thanks
Danny

 

No prob, I was bored during the school year (didn't have car until spring break) so I had to do something .

------------------
, Jon (350 TBI!)
91 Red My website