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RE: [Svo] Boost Solenoid AND Bleed offs



So, if you are already running 20 -21psi boost why do you need a bigger
turbo, the T04, and on the subject of turbos what is one of those worth
in the good old U.S. of A.

Dennis.
84 SVO, Silver


>-----Original Message-----
>From:	Scott Shidel... [SMTP:shidel@suntan.eng.usf.edu]
>Sent:	Thursday, October 30, 1997 12:45 AM
>To:	Multiple recipients of list SVO
>Subject:	Re: [Svo] Boost Solenoid AND Bleed offs
>
>In case anyone is curious of an easy way to run more boost and fully
>retain the lower boost setting of the boost control soleniod.....
>On the pinto, I used to have the early turbo coupe EEC on it, that had no
>boost control, then I switched over to the Merkur stuff, but kept the same
>turbo.  I simply got a barb fitting for my compressor inlet, and tee'd off
>the line goin from the compressor housing to the wastegate.  Whats so
>special about that you say? well, I used to think the same thing, and
>noone beleived me that my car ran 18 psi stock, with no bleed off.  I
>didn't understand it either, cuz everyone else said they only got 14-15
>out of their cars.
>Well, after messing with my actual merkur car, I see how the factory set
>it up... That two way fitting in the elbow has a very small oriface in it.
>Hence, a full size tee in the line was bleeding off more boost than the
>factory tee/fitting.  So, if you dont want to go hog wild, and still want
>to retain the 10 psi limit while the soleniod is shut, jus move the line
>that goes to the soleniod from the fitting where it is now, and put it in
>the largest tee you can fit into the line going to the wastegate.
>
>Also, if you are thinking of doin this or running a bleed off, and you are
>hooking up the tee, I found orientation does make a diff....
>Most hook it up like this....
>
>      Bleed off
>       	  |
>	  |
>	  |
>intake--------Wastegate
>
>When I did this with the merkur, I could only get an increase of a pound
>or two, cuz the valve was a small one...After thingking a bit, i hooked it
>up like this..
>
>            Wastegate
>		|
>		|
>		|
>		|
>Intake-----------------Bleed off
>
>Witht he air pressure pointing more towards the valve, more boost is bled
>out of the line than the previous situation.  now the Merk runs 20-21 psi
>with the valve only opened a few turns.  What I have jus shown may seem
>obvious, but I never thought of it, so I figured maybe it may help someone
>else..
>
>-------------------------------------------------------------------------
>Scott
>->71 Pinto stonestock 2.3 EFI Turbo T5, 13.67@99 on generic radials
>	TO4 and big intercooler in the works!!! wooo hooo!!
>->86 Escort......
>->85 Merkur--Someone get this Escort of mine!
>--------------------------------------------------------------------------
>