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Double throttle control actuator on a single turbo

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Old 07-03-09, 08:26 AM
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Double throttle control actuator on a single turbo



I am doing a single turbo conversion and want to know where I need to connect the vacuum line to from the unit on the side of the UIM. I believe it is called the double throttle control actuator.
Normally this would have been connect somewhere via a solenoid but these have all gone as part of my single conversion.
Please can someone tell me where I should connect it and if I need to put a one way valve in the line for it? If so is it working under vaccum or pressure?

Thank you
Lee
Old 07-03-09, 08:43 AM
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Get rid of it all together
Old 07-03-09, 10:21 AM
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Really??!

Just the vac unit? and leave the butterflys in place?? I presume they will just remain open constantly?
Exactly what do these do? Sounds a bit dodgy to me!!

Cheers
Lee
Old 07-03-09, 10:29 AM
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No get rid of the butterflys as well.

Old school link ready in 3.... 2.... 1......


http://robrobinette.com/double_throttle.htm
Old 07-03-09, 01:38 PM
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Sweet dude.. Thanks for that link! I'll get on that tomorrow! I take it I should leave the bit below on with the electrcial plug on it which I assume is the idle control valve?

Cheers
Lee
Old 07-03-09, 08:13 PM
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Where does this bolt go?

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You can eliminate the IAC also. I eliminated mine, some of the old heads can probably tell you the pros and cons of this. Someone makes a block off plate for the double throttle or you can do the bolt and nut thing or weld the hole shut.
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