High Performance Big Block Cadillacs
November 17, 2017, 05:35:22 PM *
Welcome, Guest. Please login or register.

Login with username, password and session length
News: SMF - Just Installed!
 
   Home   Help Login Register  
Pages: 1 [2] 3 4
  Print  
Author Topic: 1959-1962 Caddy 390 specs  (Read 26751 times)
c322348
C2
**
Posts: 55



« Reply #15 on: February 09, 2008, 11:26:28 AM »

I was thinking the same thing Dave, but specs seem to be hard to come by for this engine. These things were hot rodded a bunch back in the day, so I'm sure somebody knows!
Logged
sMiles
C4
****
Posts: 321


« Reply #16 on: February 09, 2008, 12:13:45 PM »


I  found the following links :

http://auto.howstuffworks.com/1961-1964-cadillac2.htm

http://www.cadillacville.com/default2/webstuff/model61/61Cadillac.htm

http://www.coopersvintage.com/pdf/1961.pdf
         This one seems to list lots of engine parts

http://www.carnut.com/specs/gen/cad60.html

http://www.rockauto.com/dbphp/mak,CADILLAC,1961,SERIES%2B75%2BFLEETWOOD,1320488,6.4L%2B390cid%2BV8


I hope some of that is helpful .. it a Google search of  1961 Cadillac engine.
Logged
dave brode
C5
*****
Posts: 1074


Best of 11.66, 113.96, 1.59 sixty


« Reply #17 on: February 09, 2008, 12:29:37 PM »

I was thinking the same thing Dave, but specs seem to be hard to come by for this engine. These things were hot rodded a bunch back in the day, so I'm sure somebody knows!

Yes, and probably still popular with "period correct" nostalgia racers. Maybe google for groups/forums?

Looks like the 62 was last year for the "old" 390.

http://auto.howstuffworks.com/1961-1964-cadillac4.htm

Dave
« Last Edit: February 09, 2008, 01:02:11 PM by dave brode » Logged

3960 lb '71 C-10. 11.7-1 CR 514". PEP I beam rods floating MTS 18cc dish Probes, Elgin solid cam, home ported heads, MTS 2.19/1.84", Potter/Probe shaft rockers, edel 2115, 4781 850. Switch-pitch TH400, 12" 1800/3200 Tri-Shield convertor, 4.30 gears. Best so far of 11.66, 114.8 mph and 1.59 sixty
dave brode
C5
*****
Posts: 1074


Best of 11.66, 113.96, 1.59 sixty


« Reply #18 on: February 09, 2008, 12:53:02 PM »



From what I gather, the '49 331" grew to 390" and that family ended in '62. It could be like with the 303" olds that grew to 394", and the deck hiegth and rod lengths changed along the way.

This link lists only the cylinder heads and connecting rods as being same between 62 and 63 390". Lighter block, different crank, front cover etc. Lists the 429s as simply being bored out '63 style 390s. Bunch of casting #s there too.

http://books.google.com/books?id=KD23-WEk7YgC&pg=PA20&lpg=PA20&dq=390+cadillac+bore+and+stroke&source=web&ots=qtwBZ2VnZn&sig=CTt40OFHw8vUWwLLmPsjcYD6Opg

Since this adapter is listed for 55-63, I must assume that the bell pattern is same on 55-63. He lists the 49-54 caddy adapter as being same as 49-64 olds. So, olds and caddy must've shared bell pattern until caddy changed theirs in 55.

http://www.transmissionadapters.com/cad_early.htm

Afaik, the 65-67, and *maybe* the 64s have yet another bell pattern [flat on top].

This guy lists his adapter as fitting 55-64:

http://www.phoenixtrans.com/html/adapters.html
« Last Edit: February 09, 2008, 04:46:53 PM by dave brode » Logged

3960 lb '71 C-10. 11.7-1 CR 514". PEP I beam rods floating MTS 18cc dish Probes, Elgin solid cam, home ported heads, MTS 2.19/1.84", Potter/Probe shaft rockers, edel 2115, 4781 850. Switch-pitch TH400, 12" 1800/3200 Tri-Shield convertor, 4.30 gears. Best so far of 11.66, 114.8 mph and 1.59 sixty
dave brode
C5
*****
Posts: 1074


Best of 11.66, 113.96, 1.59 sixty


« Reply #19 on: February 09, 2008, 01:09:49 PM »

Here's a thread on early caddys. There might be more there.

http://www.jalopyjournal.com/forum/archive/index.php/t-137535.html

Logged

3960 lb '71 C-10. 11.7-1 CR 514". PEP I beam rods floating MTS 18cc dish Probes, Elgin solid cam, home ported heads, MTS 2.19/1.84", Potter/Probe shaft rockers, edel 2115, 4781 850. Switch-pitch TH400, 12" 1800/3200 Tri-Shield convertor, 4.30 gears. Best so far of 11.66, 114.8 mph and 1.59 sixty
dave brode
C5
*****
Posts: 1074


Best of 11.66, 113.96, 1.59 sixty


« Reply #20 on: February 09, 2008, 01:10:40 PM »

Now, I'm wondering if your bell and flywheel is going to bolt to the 55 and later engines.....

Logged

3960 lb '71 C-10. 11.7-1 CR 514". PEP I beam rods floating MTS 18cc dish Probes, Elgin solid cam, home ported heads, MTS 2.19/1.84", Potter/Probe shaft rockers, edel 2115, 4781 850. Switch-pitch TH400, 12" 1800/3200 Tri-Shield convertor, 4.30 gears. Best so far of 11.66, 114.8 mph and 1.59 sixty
dave brode
C5
*****
Posts: 1074


Best of 11.66, 113.96, 1.59 sixty


« Reply #21 on: February 10, 2008, 08:36:31 PM »

Now, I'm wondering if your bell and flywheel is going to bolt to the 55 and later engines.....



Not sure that you want to use [or even have] the LaSalle trans, but....it might not be period correct, but a 4, 5 or even 6 speed would be neat. T-56? TKO600?, toploader, muncie or T-10?

I assume that the adapters that I linked to would allow a modern stick bell to bolt up. Custom flywheel not a big issue [just $$]
Dave
Logged

3960 lb '71 C-10. 11.7-1 CR 514". PEP I beam rods floating MTS 18cc dish Probes, Elgin solid cam, home ported heads, MTS 2.19/1.84", Potter/Probe shaft rockers, edel 2115, 4781 850. Switch-pitch TH400, 12" 1800/3200 Tri-Shield convertor, 4.30 gears. Best so far of 11.66, 114.8 mph and 1.59 sixty
c322348
C2
**
Posts: 55



« Reply #22 on: February 10, 2008, 11:23:22 PM »

Wow Dave! Still digesting all this stuff- lots to read. Didn't know that rods were forged steel from '49-'67!
Logged
dave brode
C5
*****
Posts: 1074


Best of 11.66, 113.96, 1.59 sixty


« Reply #23 on: February 11, 2008, 05:35:30 PM »

Wow Dave! Still digesting all this stuff- lots to read. Didn't know that rods were forged steel from '49-'67!

I only scanned the info quickly, and didn't catch that. I suspect the cranks were forged too. Olds cranks were also all forged until after '67 [only a few after that]. They did stay with forged rods after '67.

Dave
 
Logged

3960 lb '71 C-10. 11.7-1 CR 514". PEP I beam rods floating MTS 18cc dish Probes, Elgin solid cam, home ported heads, MTS 2.19/1.84", Potter/Probe shaft rockers, edel 2115, 4781 850. Switch-pitch TH400, 12" 1800/3200 Tri-Shield convertor, 4.30 gears. Best so far of 11.66, 114.8 mph and 1.59 sixty
c322348
C2
**
Posts: 55



« Reply #24 on: February 11, 2008, 09:36:09 PM »


I  found the following links :

http://www.coopersvintage.com/pdf/1961.pdf
         This one seems to list lots of engine parts

I hope some of that is helpful .. it a Google search of  1961 Cadillac engine.
Very helpful, thanks! Cooper's is in Burbank, about 30 miles from me on the other side of LA. That's convenient!
Logged
c322348
C2
**
Posts: 55



« Reply #25 on: February 20, 2008, 11:41:01 PM »


Please post more pics of the engine, if you have them,  I would love to see more detail of the intake logs,  side drafts,  valley cover.

What a wonderful find for you,  a piece of local history with back ground from its original time.
I've still got the intake manifolds and carbs packed away, but the original motor was junked in about 1962...    Sad

Here are some photos of the intake manifolds (state of the art in 1955!):



This photo shows about where they were positioned on the engine, only under the hood!



The nipple in the log connected to the other log with a piece of hose.



4 each Carter YH (sidedraft) carbs from a 6-cylinder Corvette bolt to the triangular flanges. I think that Turbo Corvairs and some Nashes also used these carbs.



I wonder how well it ran with that setup? You'd think it would be better with a divider in the runners...?



« Last Edit: February 20, 2008, 11:46:28 PM by c322348 » Logged
caddycarlo
Guest
« Reply #26 on: February 21, 2008, 07:17:42 AM »

when the carb's are to small for the engine you are always better off shared with a common plenum ............ when the carbs are sized right then IR does better ..... though with pulseing the IR can have fuel standoff problems and need a stack above the throttle blade........
Logged
c322348
C2
**
Posts: 55



« Reply #27 on: February 21, 2008, 09:48:34 PM »

The carbs I think are 128 CFM each X 4 = 512 CFM. You are right, sounds kind of undercarbed for a 331. At 4800 RPM it should use 542 CFM (if my math is right).

A 390 at 6000 RPM should use about 800 CFM (if I end up going that route with the free shortblock I was given). I think I would need to build a new manifold in the "spirit" of the old one though to be able to utilize the extra cubes.

What do you mean by "a stack above the throttle blade"?
Logged
~JM~
Shop Keeper
C5
*****
Posts: 1853


« Reply #28 on: March 01, 2008, 04:56:39 PM »

Hey c322348,

I was looking for something else when I ran across this & thought you might enjoy it.

http://www3.telus.net/public/mcnarry/
Logged

PS. You don't have enough cam. Grin

...Summit has a kit for $99.... Shocked
c322348
C2
**
Posts: 55



« Reply #29 on: March 01, 2008, 11:39:41 PM »

Man, that guy has done a fantastic job! What I like is that he got creative and figured stuff out, both the custom manifold and the injection system. I'm not sure I'm up to a challenge like that.
Logged
Pages: 1 [2] 3 4
  Print  
 
Jump to:  

Powered by MySQL Powered by PHP Powered by SMF 1.1.20 | SMF © 2013, Simple Machines Valid XHTML 1.0! Valid CSS!