 Idle adjustment screw for D jet, How many turns before idle should change? |
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| jsaum |
 Jun 21 2011, 10:09 AM
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#1
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Senior Member  Group: Members Posts: 530 Joined: 12-June 07 From: Everett, WA Member No.: 7,809 Region Association: None  |
I was helping Matteyp tune his car last night and it's the first time I have worked on a fuel injected engine. We got the dwell set and the engine timed with the light, it's running better but when I tried to adjust the idle speed the adjustment screw didn't seem to affect the idle speed I gave it two full turns in each directions. My questions is how sensitive should this adjustment be?
Jsaum |
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| r_towle |
Jun 21 2011, 11:14 AM
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Custom Member Group: Members Posts: 24,591 Joined: 9-January 03 From: Taxachusetts Member No.: 124 Region Association: North East States 
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what did you set the dwell to?
How did you set the timing? How is the the action on the advance plates inside the distributor and does the vacuum advance canister hold a vacuum? Do the plates move freely or get stuck in any position? Rich |
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| jsaum |
Jun 22 2011, 09:20 AM
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#3
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Senior Member Group: Members Posts: 530 Joined: 12-June 07 From: Everett, WA Member No.: 7,809 Region Association: None |
QUOTE(r_towle @ Jun 21 2011, 10:14 AM)  what did you set the dwell to? How did you set the timing? How is the the action on the advance plates inside the distributor and does the vacuum advance canister hold a vacuum? Do the plates move freely or get stuck in any position? Rich Dwell set at 44, timing at 3500 RPM on 28 degree mark. The engine idled much better, but we weren't able to get it to come down it's idling at 1000 to 1100 rpms. I think there may be some vacuum leak issues and possibly an exhaust leak he was getting a little bit of back firing or popping happening. He also has an oil leak from the valve cover gasket we could only run the car for about ten minutes before it would begin to smoke up the garage. The vac advance plates seem to be moving O.K. Jsaum |
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Posts in this topic
jsaum Idle adjustment screw for D jet Jun 21 2011, 10:09 AM
r_towle its an air bypass screw and its sensitive.
If it d... Jun 21 2011, 10:13 AM matteyp James did we have that vacuum line plugged when yo... Jun 21 2011, 10:51 AM
jsaum
James did we have that vacuum line plugged when y... Jun 21 2011, 11:10 AM windforfun It's very sensitive. Jun 21 2011, 11:12 AM Ian Stott I adjusted my idle up last weekend, did it when th... Jun 21 2011, 11:59 AM Drums66 ......vacuum leak?.....it is sensative! :idea:... Jun 21 2011, 11:59 AM Prospectfarms
It's very sensitive.
what did you set the... Jun 21 2011, 03:18 PM 76-914 Also, with the breather off you should be able to ... Jun 21 2011, 08:46 PM r_towle 48-52 is the dwell range....48 is the sweet spot.
... Jun 22 2011, 10:21 AM Cap'n Krusty
48-52 is the dwell range....48 is the sweet spot.... Jun 22 2011, 07:49 PM 76-914
48-52 is the dwell range....48 is the sweet spot.... Jun 22 2011, 10:34 PM 70-914nut 1.7 liter 3500 rpm@ 27 deg BTDC Jun 22 2011, 06:00 PM r_towle Its like me and my shadow.
So happy you get up eac... Jun 22 2011, 08:01 PM |
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