 1974 914 2.0 distributor issue, engine idle |
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| racingredsc |
 Mar 29 2020, 02:57 PM
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#1
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Newbie  Group: Members Posts: 18 Joined: 12-April 13 From: Columbia,SC Member No.: 15,762 Region Association: South East States 
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I just started my engine built months ago and it ran great except for the idle. I don't think it's retarding. Vacuum has no draw. I have a good distributor but obviously I need some parts that I can't find. I'd rather not retard the timing manually. Any help?
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| HansJan |
Mar 29 2020, 04:25 PM
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#2
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Member Group: Members Posts: 394 Joined: 5-April 16 From: Sugar Land TX Member No.: 19,860 Region Association: Southwest Region
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123 ignition Distributor - Bluetooth programmable
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| TheCabinetmaker |
Mar 29 2020, 04:34 PM
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#3
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I drive my car everyday Group: Members Posts: 8,300 Joined: 8-May 03 From: Tulsa, Ok. Member No.: 666 |
How are you measuring for vacuum, and where are you measuring it from? Does the advance work? Does the advance plate move when you pull a vacuum?
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| rjames |
Mar 30 2020, 01:04 AM
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#4
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I'm made of metal Group: Members Posts: 3,913 Joined: 24-July 05 From: Shoreline, WA Member No.: 4,467 Region Association: Pacific Northwest
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Put a vacuum gauge on the canister to see if it holds. If not, good luck finding a replacement canister. I spent a couple of months looking for one then finally gave up and bought the 123 distributor. Not cheap, but seemed the best alternative and it’s pretty much plug and play.
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| Gatornapper |
Mar 30 2020, 05:13 AM
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#5
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Senior Member Group: Members Posts: 1,201 Joined: 22-September 17 From: Woods west of Richmond, VA Member No.: 21,449 Region Association: South East States
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Pretty sure I have a good working vacuum canister. It's on a non-working 0 230 18 009 dizzy I bought on eBay and the centrifugal advance mechanism was frozen, company wouldn't take it back because I discovered it after 30 days.
I'll check the vacuum canister today. GN QUOTE(racingredsc @ Mar 29 2020, 02:57 PM)  I just started my engine built months ago and it ran great except for the idle. I don't think it's retarding. Vacuum has no draw. I have a good distributor but obviously I need some parts that I can't find. I'd rather not retard the timing manually. Any help? |
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| IronHillRestorations |
Mar 30 2020, 08:26 AM
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#6
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I. I. R. C. Group: Members Posts: 6,714 Joined: 18-March 03 From: West TN Member No.: 439 Region Association: None
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I've seen sticky advance plates that cause problems. If you have some kind of vacuum pump, you can connect it to the dashpot and see if it's moving the plate easily. If you're comfortable pulling the distributor, it might not hurt to take it out to clean and lubricate the moving parts
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| Gatornapper |
Mar 30 2020, 09:32 AM
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#7
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Senior Member Group: Members Posts: 1,201 Joined: 22-September 17 From: Woods west of Richmond, VA Member No.: 21,449 Region Association: South East States
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Also disconnect the rod from the vacuum chamber to the advance/retard plate, apply a vacuum to the chamber and see if the rod moves - also see if it will hold a position, or leaks and slowly returns to the resting position......
GN |
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| Gatornapper |
Apr 1 2020, 02:43 PM
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#8
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Senior Member Group: Members Posts: 1,201 Joined: 22-September 17 From: Woods west of Richmond, VA Member No.: 21,449 Region Association: South East States
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I have a good working vacuum chamber if you need one. But seems you disappeared......???????
QUOTE(racingredsc @ Mar 29 2020, 02:57 PM) I just started my engine built months ago and it ran great except for the idle. I don't think it's retarding. Vacuum has no draw. I have a good distributor but obviously I need some parts that I can't find. I'd rather not retard the timing manually. Any help? |
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| racingredsc |
Apr 5 2020, 03:26 PM
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#9
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Newbie Group: Members Posts: 18 Joined: 12-April 13 From: Columbia,SC Member No.: 15,762 Region Association: South East States
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Thanks Gatornapper for the tip. I got it fixed. Also had a vacuum hose split. It runs great.
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