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Post Info TOPIC: Holley Carb questions
Canadian Poncho


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RE: Holley Carb questions
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Good idea Carl. I think I should be able to muster one from one of my "professional" tech friends!


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Todd
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macsleuth


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sticking floats will move/become free with a sharp rap sometimes.

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65 Catalina 2+2 421 4bbl,  Auto, White, w/red interior, Buckets w/column shift.

66 Grande Parisienne, 2dr HT, 327 4bbl, Auto.

Had the 66 since about 83 and the 65 since 88.
Both still require a lot of work.
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Canadian Poncho


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This car is making me nuts. Today I changed the fuel saturated oil, fired it up and guess what? It won't idle! What the??????? How can the car run so good yesterday not run at all today?



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Astro Jet


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It would appear you do have some foreign matter floating around loose in one of the idle circuits that alternatively is getting dislodged either by striking the carb or working itself loose and plugging it up again.  You may have to take the carb apart and completely blow through all passages with compressed air.

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Hillar

1970 LS4 (eventually an LS5) Laurentian 2dr hdtp
-and a bunch of other muscle cars...
Canadian Poncho


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I agree however see my above post on my attempt to get the darn thing apart. I removed the 10 torx screws and it would not for the life of me come apart.


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Astro Jet


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Time for the BFH option a la 73SC!wink

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Hillar

1970 LS4 (eventually an LS5) Laurentian 2dr hdtp
-and a bunch of other muscle cars...
Canadian Poncho


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If you saw the mood I was in earlier this afternoon, a hammer near my car would not have been a good idea!


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Todd
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Canadian Poncho


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I got the top off the carb today (funny how the manual doesn't mention that the air cleaner stud also holds down the top!). I didn't notice any dirt etc but I did notice a small pinhole at the bottom of the primary fuel bowl just above the accelerator pump. Is this supposed to be there? If I crank the throttle, gas sprays up from it and some fuel shoots into the venturis. If I cover it with my finger, I get a really good stream of fuel into the venturis. Here's a photo with a dental pic pointing to it:
Aug08013.jpg

It seems so small that the slightest crud would plug it up. Perhaps it's to bleed any air from the accelerator pump? Anyone?

 Todd


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eeluddy


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Hey Todd, maybe we should run it out to Scott Hayward in Embro. He is very good at carb problems. I have that Carter( pre-Edelbrock) off a big block Chev marine we could try. Let me know.

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Canadian Poncho


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Thanks for the offer Earl. Carl is sending me a Edelbrock to run until a big block falls between the fenders.

Todd


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Canadian Poncho


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Got the Edelbrock installed. It works great. Now to tackle the running hot problem..


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427carl


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Glad the carb is working!!!!   If you disconnect the wires, to the guage, It WILL run cooler!    lol    C2

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Canadian Poncho


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Ya, with the old cluster what I didn't know didn't hurt me. Ignorance was bliss!

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