Originally posted by diegom6
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Suggestions on my Multi throttle m20 intake
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Maybe the system that Diego mentioned from the Chrysler/Jeep with a modified pulley
I don't either know if that's possible I tought it was a bright idea
1989 E30 318iS_______________________________1989 E30 325iC M-Technic I
1997 E36 328iT
1990 E30 325iT 24v SOLD
1989 E30 325i 2.7i M-Technic II SOLD
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I wonder if an electric cruise control Vacume pump would be powerfull enoughhttp://cgi.ebay.com/ebaymotors/ws/eB...478073312&rd=1
Or something like this
85 325e 2.7 ITB'd stroker
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Originally posted by EVOIIIM3Create a vacuum log and put it across all the TB's, then tap the booster and ICV to that.
Also, vacuum has two sources - manifold and ported.
Manifold vacuum is what you are referring to when you say "engine side." This is what you need for your brake booster and ICV. This is vacuum sourced from after the throttle plates. Ported vacuum can be tapped into before the throttle plates. Ported vacuum is usually only used by automatic transmissions though.
Good luck. You have some unique modification ideas. How did that MAF project ever work out?
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Go with the 6 connection to the TB's after the throttle plates.
Tee all these together and go to a vacumn accumulator (a sealed box/cylinder 1.5-2L), take lines off this for the brake booster and the ISCV, and for a MAP sensor and ditch the crappy MAF or AFM and run individual filters (socks) off each TB, that way you can at least tune the trumpet length easy as well.
my 2c.
Keep up the good work.292rwhp E30 :D
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Ok guys thanks for your suggestions. Do you not think there'd be a problem with running the brake booster and having the idle control valve off the same source? I'd think at idle if you taped the brakes the booster sucking in Air would draw air from the ICV also cuasing the idle to stumble but I'm not positive on this. Maybe I'm thinking wrong on that.85 325e 2.7 ITB'd stroker
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