Bill McDonald
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  • Grand Junction, CO
  • United States
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Tune Carburetor for Colorado Elevation 4500 FT

Started this discussion. Last reply by Bill McDonald Nov 21, 2022. 14 Replies

Hello all!Was looking to put out there on the group chat - does anyone have any suggestions to tune the Carburetor for 1964 Cadillac 492 2 door 429 V8.Does anyone have any resources they may suggest…Continue

 

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Bill McDonald replied to Bill McDonald's discussion Tune Carburetor for Colorado Elevation 4500 FT
"Man Tony &Ginny!  You're the best - that's really helpful. I am going to be kicking off that service work here shortly, and I will keep you posted on the progress. Thanks for the helpful and knowledgeable breakdown on what works…"
Nov 21, 2022
Tony and Ginny 429 replied to Bill McDonald's discussion Tune Carburetor for Colorado Elevation 4500 FT
"Bill  I would have the stock Carter carb rebuilt by a shop if needed as it is an excellent carb  The reason I have an Edelbrock is a long story but it is a good replacement for the Carter  The Edelbrock carb is so much like the stock…"
Nov 20, 2022
Bill McDonald replied to Bill McDonald's discussion Tune Carburetor for Colorado Elevation 4500 FT
"Good morning Tony & Ginny  -Apologies for my delay in response! The follow up question I had is would you suggest moving to the Edelbrock carb, and replace the stock carb?  It looks like you've had success switching to Edelbrock,…"
Nov 20, 2022
Tony and Ginny 429 replied to Bill McDonald's discussion Tune Carburetor for Colorado Elevation 4500 FT
"Correction  Adjust the carb after the  new complete tune up - last  Run it a bit then check the plugs for color  Now make any jetting adjustments based on the plug color and give the info to the Edelbrock tec’s who will…"
Oct 23, 2022
Tony and Ginny 429 replied to Bill McDonald's discussion Tune Carburetor for Colorado Elevation 4500 FT
"If the car has not had a very complete tune up in the last 6,000 miles ( including ignition wiring if needed ) I would suggest that that be the first thing you do for the engine to produce the power and gas mileage it should be  Once all…"
Oct 23, 2022
Kim K Kaiser replied to Bill McDonald's discussion Tune Carburetor for Colorado Elevation 4500 FT
"I hv taken my 63. W 4bl rochester,from montana, 5700 feet to misisipi twice, while set at 5700 feet w no problems"
Oct 23, 2022
Michael Vogler replied to Bill McDonald's discussion Tune Carburetor for Colorado Elevation 4500 FT
"Tony, Great Idea.  Rob at RPM did a great great job rebuilding my carburetor.  I referred RPM to another ‘64 owner who reported to have been very pleased with the rebuild.Michael"
Oct 22, 2022
Tony and Ginny 429 replied to Bill McDonald's discussion Tune Carburetor for Colorado Elevation 4500 FT
"Micheal  I am going to have your carb rebuilder  info posted to - Part Suppliers , Services — Thanks  Enjoy "
Oct 22, 2022
Tony and Ginny 429 replied to Bill McDonald's discussion Tune Carburetor for Colorado Elevation 4500 FT
"The ethanol in our gasoline today require that the carbs mixture be richer than when our Cadillacs were new with the much higher octane that was common then ( 103-110 octane )  I can tell you from experience that the higher octane gas will…"
Oct 22, 2022
Michael Vogler replied to Bill McDonald's discussion Tune Carburetor for Colorado Elevation 4500 FT
"Tony likely has it right.  Sounds like a mixture issue related to elevation."
Oct 22, 2022
Bill McDonald replied to Bill McDonald's discussion Tune Carburetor for Colorado Elevation 4500 FT
"Thanks Tony & Ginny! That's very insightful.  Some backstory - a restoration expert named Bill Dreist helped me tune the car in Michigan, where we are from.. I swear that guy was an expert. It would idle at the perfect RPM, and no…"
Oct 22, 2022
Tony and Ginny 429 replied to Bill McDonald's discussion Tune Carburetor for Colorado Elevation 4500 FT
"Bill  Pull  a spark plug and see what color it is burning  It’s right when a brown paper bag color ( darker rich - whitish lean )  That is your best indicator as to how well your fuel mixture is burning  I would assume…"
Oct 22, 2022
Bill McDonald replied to Bill McDonald's discussion Tune Carburetor for Colorado Elevation 4500 FT
"Hey Michael! Thanks for the tip, I will definitely reach out! Hope you're having an awesome Saturday!"
Oct 22, 2022
Michael Vogler replied to Bill McDonald's discussion Tune Carburetor for Colorado Elevation 4500 FT
"Bill, Rob at RPM Carburetor in Midway City, CA rebuilt my ‘64 de Ville conv. Carb.  It runs like a new car.  Here’s his website.   https://www.rpmcarburetorspecialties.com"
Oct 22, 2022
Bill McDonald posted a discussion

Tune Carburetor for Colorado Elevation 4500 FT

Hello all!Was looking to put out there on the group chat - does anyone have any suggestions to tune the Carburetor for 1964 Cadillac 492 2 door 429 V8.Does anyone have any resources they may suggest to tune or re build? I would even consider shipping the carb out to someone that specializes in this sort of thing.History: The car was perfectly tuned and running like a top in Michigan . I then moved to Colorado and has since been a struggle to get it right. I've taken the car to (2) shops now who…See More
Oct 22, 2022
Bill McDonald might attend Jason Edge's event
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Nov 21, 2021, 1963/64 Cadillac Chapter Virtual Meet-Up via Zoom at Zoom

November 21, 2021 from 7pm to 8:30pm
Our next Virtual 1963/64 Cadillac Chapter Meet-Up will begin Sunday, Sept 21, 2021 at 7pm Eastern (4pm Pacific).  Email invites will be sent to Chapter Members.     If not a member of our 1963/64 Cadllac Chaper join the CLC (Cadillac LaSalle Club) at www.cadillaclasalleclub.org/join , then send me your CLC membership # to jasonedge@nc.rr.com and I will get you signed up to the Chapter! It is that easy to join…See More
Nov 18, 2021

Profile Information

Do you own any 1963 & 1964 Cadillacs? If Yes, Year & Body Style
Yes. 64 series 62 2door
Cadillac LaSalle Club Member? If Yes, Membership #?
No
1963/64 Cadillac Chapter Member?
No

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Join 63/64 Cadillac Website

At 12:00pm on September 5, 2021, Jason Edge said…

Welcome to the 63/64 Cadillac Website.

This site is hosted by the CLC (Cadillac LaSalle Club) 1963/64 Cadillac Chapter. Joining the website is free to everyone, however, you must be a CLC member to join the Chapter. 

- Click on www.join.6364cadillac.com for more information on joining the 1963/64 Cadillac Chapter and the Cadillac LaSalle Club.

Be sure and check out all the links and pages and make yourself at home. The Help Page at www.help.6364cadillac.com will have links to many useful articles and information about our Cadillacs.

 
 
 

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Forum

The one irritation with my 64 Cadillac

Started by Logan Robb in General Discussion. Last reply by Tony and Ginny 429 6 hours ago. 4 Replies

Overall, even with the few minor gremlins I have with my 1964 Cadillac Fleetwood, I still love nearly everything about it. EXCEPT one thing. Why do the rear map lights not come on when the doors are…Continue

Engine Vibration

Started by Logan Robb in 1963/64 Cadillac Specific Discussion. Last reply by Logan Robb yesterday. 8 Replies

To my knowledge, engine, transmission, and drive shaft are original to the car. I am worried I am falling down the rabbit hole of vibrations. Some tests I’ve done recently:Going down flat and level…Continue

Tags: Vibration/driveshaft/harmonic

Renew or Join Cadillac LaSalle Club by March 31 and SAVE!

Started by Jason Edge in General Discussion yesterday. 0 Replies

Just a reminder that you can renew your CLC Membership or join the club by EOD March 31 and lock in on the current rates. All rates, except online only, will go up on April 1 …. No foolin’! See flyer…Continue

Blog Posts

1964 power steering sector rebuild

Posted by CHRIS CARLSON on March 20, 2023 at 11:32pm 3 Comments

 I'm having my steering sector rebuilt, and considering changing it from 20-1 ratio 4.2 turns lock to lock to 3.5 turns lock to lock @ 16-1 ratio, If i change from a 3 1/4" box to a 3" box i could have a 14-1 Ratio steering response would be faster, shorter distance to turn the wheel to get a response,   has anyone done this? and how do you like it? thank you

1964 Daville dashboard clock

Posted by Willem Bol on March 13, 2023 at 11:33am 2 Comments

Hallo,

Can somebody help me finding a dashboard clock  for my 1964 Cadillac DeVille Convertible?

Thank you in advance,

Willem Bol

The Netherlands

Does anyone know where I can get the bushings for AC compressor mount on the 429?

Posted by Robert Schles on February 21, 2023 at 11:45am 2 Comments

I've looked at the usual rubber sources but couldn't find any. 

Need help with a hood latch

Posted by Curtis Dover on January 2, 2023 at 5:23pm 0 Comments

Hey guys, I need some help.  Could someone send me some pictures on how the first hood release lever on a factory 1964 Cadillac is set up, where it comes though the grille. Not the secondary one. I need to know where the thumb or finger position is located through the grille. Is it above or below the center grille molding piece? Mine seems to be positioned behind the center molding piece and will not adjust above or below the molding. I have a wire tied to it to release it…

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