Boost/Vacuum lines
Boost/Vacuum lines Been wondering this for awhile...say ive got my Eboost2,the BOV,the Wastegate, and another gauge that needs boost/vacuum...thats 4 separate lines that are required....wouldnt that be bad to tap into them all from the same place or that many taps period?Id figure that the Eboost and the BOV would take lines from the back of the intake/brake booster but what about the other 2?Or maybe ive got some of this mixed up...how have you guys ran everything?
I have my Eboost(boost reading), FPR, and BOV tapped into the brake booster. my wastegate is hooked up to the eboost which gets its single from the turbo. If that makes any sense at all?
wastegates come off the fittings on each side of the intake behind the tb
bov connects on the pass side of the tb
boost gauge connects on the back of the intake manifold (Not sure what that went to when it was stock)
brake vac assist goes where it was, not tampered with.
bov connects on the pass side of the tb
boost gauge connects on the back of the intake manifold (Not sure what that went to when it was stock)
brake vac assist goes where it was, not tampered with.
Originally Posted by SuperZ
How do you tap into the brake booster.
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everything but the wastegate can be tapped off of a single source.
the wastegate is very important that it has a vacuum cource dedicated for itself, as it needs to be the most accurate. I would run it off of manifold pressure. that was your motor is seeing what your boost guage is seeing, and you dont have to worry about pressure drop the the IC
the wastegate is very important that it has a vacuum cource dedicated for itself, as it needs to be the most accurate. I would run it off of manifold pressure. that was your motor is seeing what your boost guage is seeing, and you dont have to worry about pressure drop the the IC
Im not saying that it shouldnt come from the turbo that is a good source as well, im just saying that if your getting your boost guage reference from the manifold it would be different than what the WG is controlling.
Either way would work, i just like to use manifold to control everything as that is what the motor is seeing. you could plumb a boost guage in the turbo and one in the manifold and see the difference, and find your pressure drop thatd be kinda cool
Either way would work, i just like to use manifold to control everything as that is what the motor is seeing. you could plumb a boost guage in the turbo and one in the manifold and see the difference, and find your pressure drop thatd be kinda cool
this is opinionated, and can be argued either way, but i see it as the wastegate really doesn't matter where the source is from. what does matter is the boost guage, because of course boost will drop after an intercooler and such. so if you have an mbc you can compensate for the placement of the wg's vacuum source, so long as you know the actual boost the motor sees. but i think i confused myself with that statment...
i may just have to pick up 1 of those...now correct me if im wrong but if connect the wastegate up to the intake then since theres a pressure drop at the turbo then the turbo itself will actually see more boost than what you want?...ie if you see 6#'s at the intake and thats where the wastegate is set too then you'd see 7#'s at the turbo???(just picked numbers btw)
if you have a good tuner, id go SD that way you dont have to worrk about maxing the maf
and I agree with stoelit what I was saying is opiniated, and you do have the right idea about the boost difference
and I agree with stoelit what I was saying is opiniated, and you do have the right idea about the boost difference
well it sounds like to me that the best way to do it is to have the wastegate connected to the turbo....then the BOV and Eboost off the intake...but since ive got an Eboost2 i guess i could always connect the wastegate to that...like Hellraiser....then i take it you just put a nipple over the vacuum port on the turbo itself?i still cant decide weither or not to go SD or not....i think if im going to stay under 15's ill stay with the MAF....DAMN i wish my motor was here i feel like putting on the turbo kit right now!
I would reference everything from the intake manifold. You will have pressure drop from the intercooler, etc and if you run your reference for the wastegate off the turbo housing you will usually drop pressure over the RPM range. The wastegate wouldn't be seeing what the motor is from the intake.
nice point....i think since ive got an Eboost2 i might as well reference the wastegate off that similar to Hellraiser...id like it if he's post a few pics of that specific part of his setup.