Cold start and running issues

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Mar 18, 2018 | 01:53 PM

#16

TheAsaSpades

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Joined: Jun 2017

Posts: 14

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So i just fixed the pcv valve issue and connected the vacuum advanced, started the truck and it ran fine. i went to go grab my timing light just to check and it was 10 degrees btdc witch seemed fine to me, after a few more minutes of letting it idle and warm up in the driveway i heard it stutter a little and then worse and worse, i went and checked the timing to see it was now 0 degrees btdc. distributed was tight and hasnt budged so i have no idea why it did this. if you have any thoughts let me know

Mar 18, 2018 | 03:43 PM

#17

Tedster9

Post Fiend

Joined: Apr 2002

Posts: 19,311

Likes: 97

From: Waterloo, Iowa

Sounds like timing was adjusted both in error, and the vacuum advance is leaking.

Read this:

http://www.gofastforless.com/ignition/advance.htm

Mar 20, 2018 | 03:00 PM

#18

TheAsaSpades

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Joined: Jun 2017

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turns out that when i connected the vacuum advance, it literally pulled the insides of the distributor apart, put a new one in today and its running great

Mar 22, 2018 | 09:45 PM

#19

jakeharp

Fleet Mechanic

Joined: Aug 2004

Posts: 1,311

Likes: 31

From: Nevada

Great

Hey thats great news ! Simple and affordable.... My favorite type of repair

Mar 22, 2018 | 09:56 PM

#20

Tedster9

Post Fiend

Joined: Apr 2002

Posts: 19,311

Likes: 97

From: Waterloo, Iowa

Yessir thank you for the update

Dec 18, 2018 | 06:41 PM

#21

azroxx

Senior User

Joined: Apr 2015

Posts: 218

Likes: 1

From: Conway Springs, KS

I am bringing this thread back from the time machine as I am installing a 4BBL Edelbrock on my '74 F250 which I think is a 390.

I just want to drive it a bit and the Edelbrock has different setup, so this thread is interesting to me.

I might go purchase a new Holley like the one installed when I got it (but hate to at this time, too many unfinished projects and low funds). I tried to rebuild the Holley and it was more than I could handle and I had a few beers while doing the rebuild...subsequent carb backfire and FIRE from flaming gas all over the motor set me back quite a bit.

I will use stock intake and get new goodies for the distributor. I want to use original distributor shaft as I have read some issues with the ones available from parts stores nowadays.and replace the roached wiring.