Tuning my Edelbrock. IMS adjustement questions.
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Joined: Jan 2002
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From: Kona, Hawaii / Redlands, CA
Car: 91' RS
Engine: Built 355
Transmission: Probuilt 700r4
Tuning my Edelbrock. IMS adjustement questions.
I hear people saying all the time: " I just have the screws roughly 2 turns out and it runs good."
Here's my question: Since edelbrocks have those springs at the base of the screw, how do you know where all the way in is????
It's easy on a holley, the screws just bottom out. My IMS screws don't really seen to do much adjusting, if any. I don't get any difference in vacuum on my vac. gauge when I turn the screws, either the motor dies, or it runs at about 15.5 inches of vacuum.
Here's my question: Since edelbrocks have those springs at the base of the screw, how do you know where all the way in is????
It's easy on a holley, the screws just bottom out. My IMS screws don't really seen to do much adjusting, if any. I don't get any difference in vacuum on my vac. gauge when I turn the screws, either the motor dies, or it runs at about 15.5 inches of vacuum.
Last edited by 330hp_91RS; Dec 17, 2002 at 03:21 PM.
Thread Starter
Supreme Member
Joined: Jan 2002
Posts: 1,341
Likes: 0
From: Kona, Hawaii / Redlands, CA
Car: 91' RS
Engine: Built 355
Transmission: Probuilt 700r4
So...
About how many turns out shoul I be, considering the setup on my 84"? Educated guesses would help a lot, or at least the # of turns out until I would be over rich. I know that thiis is a hard question, but just shoot me some answers like: " I run 3 turns out and this is my setup." That would help.
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