Go Back   The Supercar Registry > General Discussion > Supercar/Musclecar Discussion


Reply
 
Thread Tools Display Modes
  #21  
Old 01-04-2022, 06:29 PM
firstgenaddict's Avatar
firstgenaddict firstgenaddict is offline
Yenko Contributing Member
 
Join Date: Jul 2001
Location: Greenville, South Carolina
Posts: 5,596
Thanks: 161
Thanked 942 Times in 457 Posts
Default

Were the original aluminum 377 CUI Grand sport engines from 1963 sleeved? What was the casting number on GS engines?

ZERO (0) I thought was experimental for Chevrolet.
__________________
~JAG~
NCRS#65120
68 GTO HO 4 spd Alpine Blue /Parchment 2 owner car
#21783 71 Corvette LT1 45k miles Orig paint - Brandshatch Green - National Top Flight - last known 71 LT1 built.
71 Corvette LT1 42k miles Original paint - Black - black leather - only black LT1 known to exist.
NUMEROUS Lemans blue Camaros,
Monza Red and Daytona Yellow Corvettes
& a Chevelle or two...
Survivors, restored cars, & other photos
https://picasaweb.google.com/lh/myphotos
Reply With Quote
  #22  
Old 01-04-2022, 07:54 PM
SuperNovaSS SuperNovaSS is online now
Yenko Contributing Member
 
Join Date: Sep 2001
Location: Santa Cruz, CA
Posts: 6,461
Thanks: 316
Thanked 619 Times in 323 Posts
Default

Yes, the casting numbers starting with 0 are either prototype or experimental parts. I don’t know if the 377 blocks were sleeveless or not. This block could have originally been sleeveless and had the sleeves added. No real way to know for sure.


Thanks for all the replies,


Jason
Reply With Quote
  #23  
Old 01-05-2022, 03:52 AM
SuperNovaSS SuperNovaSS is online now
Yenko Contributing Member
 
Join Date: Sep 2001
Location: Santa Cruz, CA
Posts: 6,461
Thanks: 316
Thanked 619 Times in 323 Posts
Default

This block looks similar and has casting number 0 395946. Does anyone know if the 0- casting numbers were assigned in numerical order? I’m curious if I could narrow down the time this was made based on the casting dates of other experimental parts in relation to the number after the 0-. For example, was this block with the 0 395946 designed after mine with the number 0 359198?

https://hotrodenginetech.com/1969-z28-canted-valve-302/



Jason
Attached Images
    

Last edited by SuperNovaSS; 01-05-2022 at 03:55 AM.
Reply With Quote
  #24  
Old 01-05-2022, 04:22 AM
firstgenaddict's Avatar
firstgenaddict firstgenaddict is offline
Yenko Contributing Member
 
Join Date: Jul 2001
Location: Greenville, South Carolina
Posts: 5,596
Thanks: 161
Thanked 942 Times in 457 Posts
Default

0 240983 is the Grandsport engine casting number - however the description sounds the same, notched cylinder block to accommodate a 3.75" stroke, 4 bolt mains, thicker webs and pressed in Steel liners.
__________________
~JAG~
NCRS#65120
68 GTO HO 4 spd Alpine Blue /Parchment 2 owner car
#21783 71 Corvette LT1 45k miles Orig paint - Brandshatch Green - National Top Flight - last known 71 LT1 built.
71 Corvette LT1 42k miles Original paint - Black - black leather - only black LT1 known to exist.
NUMEROUS Lemans blue Camaros,
Monza Red and Daytona Yellow Corvettes
& a Chevelle or two...
Survivors, restored cars, & other photos
https://picasaweb.google.com/lh/myphotos
Reply With Quote
The Following User Says Thank You to firstgenaddict For This Useful Post:
PeteLeathersac (01-05-2022)
  #25  
Old 01-05-2022, 04:38 AM
PeteLeathersac's Avatar
PeteLeathersac PeteLeathersac is online now
Yenko Contributing Member
 
Join Date: Jul 2005
Location: O' Canada
Posts: 12,023
Thanks: 14,661
Thanked 4,183 Times in 1,966 Posts
Default

'

The Numerical thing makes sense until proven otherwise.
O-172978 is the 63? Alcoa Casting Cerv. Block in the 'Vair link.
Anything on the Bore/Stroke of your engine yet Jason?

~ Pete

.
__________________
I like real cars best...especially the REAL real ones!
Reply With Quote
  #26  
Old 01-05-2022, 04:39 AM
SuperNovaSS SuperNovaSS is online now
Yenko Contributing Member
 
Join Date: Sep 2001
Location: Santa Cruz, CA
Posts: 6,461
Thanks: 316
Thanked 619 Times in 323 Posts
Default

Nothing on the bore and stroke yet. It has been raining here and I have to pull a car out to get to the engine. Possibly tomorrow.

Thanks,

Jason
Reply With Quote
The Following User Says Thank You to SuperNovaSS For This Useful Post:
PeteLeathersac (01-05-2022)
  #27  
Old 01-05-2022, 05:00 AM
SuperNovaSS SuperNovaSS is online now
Yenko Contributing Member
 
Join Date: Sep 2001
Location: Santa Cruz, CA
Posts: 6,461
Thanks: 316
Thanked 619 Times in 323 Posts
Default

I found the thread with the 67 Z that Charley put the aluminum block in. It can be found here:

https://www.yenko.net/forum/showthre...imental&page=9


Jason
Attached Images
 
Reply With Quote
  #28  
Old 01-05-2022, 05:15 AM
SuperNovaSS SuperNovaSS is online now
Yenko Contributing Member
 
Join Date: Sep 2001
Location: Santa Cruz, CA
Posts: 6,461
Thanks: 316
Thanked 619 Times in 323 Posts
Default

Here are some other 0- casting numbers with their associated date codes:

0313436 5/27/68 Big Block Chevy Heads

0-319183 12/5/68 Big Block Chevy tall deck intake

0-334112 11/17/67 Big Block Heads

0-310512 12/8/67 Crossram Intake Top

0-272117 12/9/65 Small Block Chevy Intake

0-314634 12-2-68 302 Hemi Head Valve Cover
Attached Images
         

Last edited by SuperNovaSS; 01-05-2022 at 05:22 AM.
Reply With Quote
The Following 2 Users Say Thank You to SuperNovaSS For This Useful Post:
Jimlt4383 (01-05-2022), olredalert (01-05-2022)
  #29  
Old 01-05-2022, 06:13 AM
AnthonyS's Avatar
AnthonyS AnthonyS is offline
Yenko Advertising Member
 
Join Date: Dec 2017
Location: SoCal
Posts: 3,045
Thanks: 122
Thanked 607 Times in 366 Posts
Default

^ hah. Nice!
Reply With Quote
The Following User Says Thank You to AnthonyS For This Useful Post:
SuperNovaSS (01-05-2022)
  #30  
Old 01-05-2022, 07:30 PM
SuperNovaSS SuperNovaSS is online now
Yenko Contributing Member
 
Join Date: Sep 2001
Location: Santa Cruz, CA
Posts: 6,461
Thanks: 316
Thanked 619 Times in 323 Posts
Default

OK, I was able to get to the engine and take some measurements. It was hard to be sure accurate since the tangs on my caliper were not long enough to reach into my side of the cylinder and I could only measure the stroke with a machinist ruler.

The best measurements I could get were 3.75 inches for the bore and 2 3/8 for the stroke. That looks to come out to 206ish cubic inches.

RobR,

You were right on with your theory.


Thanks,

Jason
Reply With Quote
The Following 4 Users Say Thank You to SuperNovaSS For This Useful Post:
L_e_e (01-05-2022), olredalert (01-05-2022), ORIGLS6 (01-05-2022), PeteLeathersac (01-05-2022)
Reply

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump


All times are GMT. The time now is 12:40 AM.


Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2024, vBulletin Solutions Inc.

O Garage vBulletin Plugins by Drive Thru Online, Inc.