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Los Angeles Mechanics - 67 First Caddy

Started by 67caddyLA, May 04, 2022, 07:42:01 PM

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67caddyLA

Ryan Zeimen
1967 Cadillac Deville Topless

67caddyLA

Ryan Zeimen
1967 Cadillac Deville Topless

67caddyLA

Motor is in.

Waterpump is out for a rebuild - 10 days.
Radiator is out for a recore - 3 days

IMG_2390.jpgIMG_2389.jpgIMG_8418.jpg   
Ryan Zeimen
1967 Cadillac Deville Topless

67caddyLA

Ryan Zeimen
1967 Cadillac Deville Topless

67caddyLA

time for her first detail
E8358FEB-AE51-4256-AA84-FBAFF09C5A79.jpeg99500E13-4828-4472-B4BE-C15B2CBF19AC.jpeg29B38501-57CE-424F-B892-BE1DD3A25C36.jpeg   
Ryan Zeimen
1967 Cadillac Deville Topless

67caddyLA

Ryan Zeimen
1967 Cadillac Deville Topless

67caddyLA

finally put the top down for the first time

029EDEC0-0DAF-4F09-9682-73BD793672E4.jpeg65AEE917-EDE2-4D13-BD9C-1764267B4573.jpeg22D4648A-CCB7-49D7-A9CE-B71CD1BC3B6F.jpeg   
Ryan Zeimen
1967 Cadillac Deville Topless

67caddyLA

New front seats are re done.

Will have to do top in the next year.

Need a new waterpump. 2 failed, still leaking.
Ryan Zeimen
1967 Cadillac Deville Topless

35-709

#48
The 429 water pumps are known to leak at the fat o-ring when replacing the pump .  Using 2 of those o-rings (I used the old one plus the new one) and a small amount of RTV usually fixes the problem.  Probably wouldn't even need the RTV but as a "just-in-case" it won't hurt anything and taking off that pump and reinstalling gets tiresome.
1935 Cadillac Sedan resto-mod "Big Red"
1973 Cadillac Caribou - Sold - but still in the family
1950 Jaguar Mark V Saloon resto-mod - Sold
1942 Cadillac 6269 - Sold
1968 Pontiac Bonneville Convertible - Sold
1950 Packard 2dr. Club Sedan
1935 Glenn Pray - Auburn Boattail Speedster, Gen. 2

67caddyLA

Quote from: 35-709 on October 05, 2023, 07:22:34 PMThe 429 water pumps are known to leak at the fat o-ring when replacing the pump .  Using 2 of those o-rings (I used the old one plus the new one) and a small amount of RTV usually fixes the problem.  Probably wouldn't even need the RTV but as a "just-in-case" it won't hurt anything and taking off that pump and reinstalling gets tiresome.

going to try this
Ryan Zeimen
1967 Cadillac Deville Topless

79 Eldorado

I should say that I know zero about the 67 specific water pump but in general stacking seals is not normally a reliable means of sealing. I don't know if it's possible but it might be better to create a shim and then place a seal on either side of the shim. So if that fat o-ring is the issue then would it be possible to use a seal on the pump, a shim, and then another seal from the shim to the block?

Other than leaking a double seal can cause an area to breath. I used a double gasket once on a thermostat housing and I could see on the temp gauge the system seemed to be pulling in air sometimes. It seems like it would be impossible but absence of a pressure leak does not guarantee that there are no vacuum leaks. Because coolant expands and contracts you could end-up with a situation like I had (it seems).

Specifically for coolant Permatex recommends Ultra Blue as their best.

Scott

67caddyLA

Quote from: 35-709 on October 05, 2023, 07:22:34 PMThe 429 water pumps are known to leak at the fat o-ring when replacing the pump .  Using 2 of those o-rings (I used the old one plus the new one) and a small amount of RTV usually fixes the problem.  Probably wouldn't even need the RTV but as a "just-in-case" it won't hurt anything and taking off that pump and reinstalling gets tiresome.
Just spoke to the mechanic this morning. He says that I had printed out your suggestion of two O rings and he had done that already.

Ryan Zeimen
1967 Cadillac Deville Topless

35-709

 ::)   Worked great on my '66 429.
1935 Cadillac Sedan resto-mod "Big Red"
1973 Cadillac Caribou - Sold - but still in the family
1950 Jaguar Mark V Saloon resto-mod - Sold
1942 Cadillac 6269 - Sold
1968 Pontiac Bonneville Convertible - Sold
1950 Packard 2dr. Club Sedan
1935 Glenn Pray - Auburn Boattail Speedster, Gen. 2

Abe Lugo

I have not used this guy but I have chatted with him. 
Seems like a cool shop https://ricksclassicmusclegarage.com

He says he does general repairs to classics.
In Burbank.
Abe Lugo  CLC#31763  Sunny Los Angeles,CA @abelugo IG

67caddyLA

Quote from: 35-709 on October 06, 2023, 08:18:59 PM::)   Worked great on my '66 429.
Seems like issue is the crossover is corroded and leaking badly
Ryan Zeimen
1967 Cadillac Deville Topless

67caddyLA

Quote from: Abe Lugo on October 07, 2023, 08:30:42 PMI have not used this guy but I have chatted with him. 
Seems like a cool shop https://ricksclassicmusclegarage.com

He says he does general repairs to classics.
In Burbank.
Thank you very much!
Ryan Zeimen
1967 Cadillac Deville Topless