LOG IN
REGISTER
Forums
New User Forums
The Newbie Forum
Site Related
General
General Discussion
The Clubhouse
Repair & Restoration
Technical & Reference
Major Builds & Projects
Racing and High Performance
Engine
Transmission and Driveline
Chassis, Tires/Wheels, Brakes, & Related
Body & Paint
Electrical
Interior and Trim
Other
Vehicle Lineup
Cutlass, 442, and Hurst/Olds
Large Oldsmobiles
Final Years Oldsmobiles
Vintage Oldsmobiles
Toronado
Other Oldsmobiles
Classifieds
Buyer & Seller Feedback
Oldsmobile Cars
Oldsmobile Parts
Non-Oldsmobile Classified
Miscellaneous Classifieds
Marketplace
Vendor Directory
Become a Vendor
New Posts
Tools
Car Payment Calculator
Tire Rim Calculator
Recalls
Technical Service Bulletins (TSBs)
Members List
Live Feed
Gallery
View Dark Mode
Please register or login to enable Dark Mode.
Log In
Register
Threads
Google
Threads
Posts
Advanced
ClassicOldsmobile.com
Log In
|
Register
Dark Mode
Please register or login to enable Dark Mode.
Your Privacy Choices
Manage Preferences
Archive
Advertising
Cookie Policy
Privacy Statement
Terms of Service
Affiliate Disclosure
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
×
Log In
Forgot your Password?
By logging into your account, you agree to our
Terms of Use
and
Privacy Policy
, and to the use of cookies as described therein.
ClassicOldsmobile.com
Repair & Restoration
Engine
Big Blocks
Notices
INTRODUCING:
Infinite Scroll & Related Threads
Community Links
Pictures & Albums
Members List
Search Forums
Show Threads
Show Posts
Tag Search
Advanced Search
Go to Page...
New Thread
Subscribe
Filters
Page 1 of 153
1
2
3
4
5
11
51
101
>
Last
»
Threads in Forum:
Big Blocks
Forum Tools
Search this Forum
Rating
Thread
/
Thread Starter
Last Post
Replies
Views
Sticky Threads
Sticky
Torque specs
Stevec
on Jul 26, 2016
Nov 10, 2024
06:16 PM
by
Branjo55
11
76,235
Normal Threads
Buyer beware
cutlassefi
on Today
Today
04:24 PM
by
hotrod442
2
349
Pwr. steering pump return hose barb
eggydrummer
on Mar 25, 2026
Yesterday
02:37 PM
by
eggydrummer
23
613
Another 455 build issue - noisy oil pump
PaulWinn
on Mar 15, 2026
Mar 26, 2026
02:00 PM
by
v8al
38
1,293
Newly Built 455 Thrust Bearing Dilemma!!
(
1
2
)
Saturn71
on Sep 22, 2025
Mar 18, 2026
07:46 PM
by
Saturn71
42
2,195
ID piston
Cvarney
on Oct 31, 2022
Mar 18, 2026
03:58 PM
by
trout455
10
1,612
Normal oil temprature 425 engine.
GCH
on Mar 14, 2026
Mar 16, 2026
08:13 AM
by
GCH
6
370
Efi
68B0788
on Mar 10, 2026
Mar 13, 2026
11:57 AM
by
cutlassefi
20
742
Lifter question
Tirediron
on Mar 11, 2026
Mar 13, 2026
08:25 AM
by
Tirediron
6
417
425 just one rocker no oil
HarOlds
on Sep 8, 2023
Mar 12, 2026
09:15 AM
by
67OAI
17
1,357
425 -65 zero compression in cyl 5.
(
1
2
3
)
GCH
on Oct 4, 2025
Mar 8, 2026
11:56 PM
by
GCH
99
4,129
Timing chain slack
ourkid2000
on Mar 7, 2026
Mar 8, 2026
04:05 PM
by
ourkid2000
7
383
1970 442 question - threaded hole in intake
PaulWinn
on Mar 6, 2026
Mar 7, 2026
06:44 PM
by
442crzy
17
493
What is this Part and Is it needed?
Big Dawg
on May 31, 2022
Mar 6, 2026
01:00 PM
by
tnswt
14
2,051
Thornton Exhaust Manifolds or Headers
vin442
on Feb 26, 2026
Mar 6, 2026
06:23 AM
by
android 211
22
1,194
Top Tier Fuel Brands Yield More Than Just Minimum Octane Ratings
Tri-Carb
on Feb 16, 2026
Mar 3, 2026
07:50 AM
by
joe_padavano
21
1,066
Camshaft Suggestions
DanM
on Feb 24, 2026
Feb 26, 2026
03:37 PM
by
DanM
23
805
Ford 460 one piece rear main seal
71ramrod
on Feb 23, 2026
Feb 24, 2026
01:13 PM
by
Toro X6
6
573
Verify the Octane Rating for Your Fuel Provider
Tri-Carb
on Feb 23, 2026
Feb 24, 2026
07:10 AM
by
Sugar Bear
5
403
Pleasant Surprises
68B0788
on Feb 22, 2026
Feb 22, 2026
05:37 PM
by
Mr Nick
1
451
Sniper EFI continued
68B0788
on Feb 18, 2026
Feb 19, 2026
12:14 PM
by
68B0788
8
472
Edelbrock 61025 new intakes
DanM
on Feb 19, 2026
Feb 19, 2026
11:27 AM
by
DanM
0
384
Main bearing grooves.
71ramrod
on Feb 11, 2026
Feb 18, 2026
07:24 PM
by
Duh
17
988
Wrong Camshaft
DanM
on Feb 14, 2026
Feb 18, 2026
02:01 PM
by
CANADIANOLDS
25
957
Need help with vacuum diagram
PaulWinn
on Feb 15, 2026
Feb 16, 2026
07:36 PM
by
cfair
5
372
Olds 455 Trans Am / Firebird Headers
MO Olds 2022
on Dec 6, 2023
Feb 16, 2026
07:29 PM
by
MO Olds 2022
22
4,683
A tale of 2 425’s
71ramrod
on Feb 6, 2026
Feb 16, 2026
07:13 PM
by
66SportCoupe
17
598
New plugs...
Crankit
on Feb 13, 2026
Feb 16, 2026
03:59 AM
by
Olds64
3
463
Heat crossover partial block off plate
PaulWinn
on Jan 30, 2026
Feb 9, 2026
12:09 PM
by
Fun71
27
805
Air Cleaner Assembly
Bigmikey65
on Jan 19, 2026
Feb 7, 2026
10:47 AM
by
joe_padavano
4
409
Valve Seals Replacement
(
1
2
)
ourkid2000
on Oct 29, 2025
Feb 7, 2026
08:26 AM
by
ourkid2000
60
1,970
455 rebuild
SkylinesSuck
on Mar 3, 2024
Feb 3, 2026
05:32 AM
by
joe_padavano
22
2,118
455 camshaft blanks.
70 Royale
on Feb 2, 2026
Feb 3, 2026
03:43 AM
by
Greg Rogers
8
456
Engine ID
jpaulwhite
on Dec 15, 2025
Jan 30, 2026
09:26 AM
by
joe_padavano
15
819
389244D motor in car I'm selling, Olds 425 Super Rocket?
Eagle-co94
on Jan 28, 2026
Jan 29, 2026
10:14 AM
by
joe_padavano
3
380
100 Mile 402569 328* W-30 Camshaft with NOS Lifters
WTHIRTY1
on Jan 22, 2026
Jan 28, 2026
10:32 AM
by
Duh
8
656
455 head gasket covers some water jacket holes
PaulWinn
on Jan 25, 2026
Jan 27, 2026
05:13 AM
by
PaulWinn
5
385
NOS Steel Shim Gaskets - Spray?
WTHIRTY1
on Jan 18, 2026
Jan 23, 2026
05:07 PM
by
68post
13
577
Power steering bracket issues
Krystof
on Jan 20, 2026
Jan 20, 2026
05:02 PM
by
Krystof
3
226
woodruff key for 425 1966 Toro
Jelonek
on Jan 18, 2026
Jan 18, 2026
09:23 PM
by
Jelonek
6
263
394 overhaul questions
Tkkruzer
on Jan 14, 2026
Jan 15, 2026
04:48 AM
by
Olds64
8
298
Standard rod bearing clearance with Skat rods
BBLima
on Jan 10, 2026
Jan 13, 2026
05:06 AM
by
olds 307 and 403
17
573
Comp cams evolution roller lifters
maddoctor
on Aug 19, 2025
Jan 10, 2026
08:31 PM
by
olds 307 and 403
18
893
Exhaust manifold leak
(
1
2
)
ourkid2000
on Sep 7, 2024
Jan 10, 2026
07:57 PM
by
OLDSter Ralph
40
1,776
Oil Dipstick & Tube 66 442-400
TOC
on Jul 22, 2025
Jan 10, 2026
06:16 PM
by
Andy
7
644
Temp sender question
Tirediron
on Jan 9, 2026
Jan 10, 2026
07:48 AM
by
Tirediron
3
228
Speedmaster valve spring idea.
71ramrod
on Jan 8, 2026
Jan 9, 2026
06:12 PM
by
cutlassefi
5
396
Camshaft concerns
TOC
on Jan 5, 2026
Jan 8, 2026
08:31 AM
by
BillK
23
858
425 leak on cylinder head
ShaneBH
on Jan 2, 2026
Jan 7, 2026
09:24 PM
by
ShaneBH
24
735
Power Steering Pump Brackets, Please help!!
gibbo69olds
on May 25, 2025
Jan 6, 2026
03:51 PM
by
HighwayStar 442
7
597
Shopping for 71 "H" Heads...
Fliplander
on Mar 5, 2012
Jan 6, 2026
02:55 PM
by
Fliplander
28
8,901
New Thread
Subscribe
Page 1 of 153
1
2
3
4
5
11
51
101
>
Last
»
Display Options
Moderators
Showing threads 1 to 50 of 7638
Moderators : 2
Sorted By
Thread Title
Last Post Time
Thread Start Time
Number of Replies
Number of Views
Thread Starter
Thread Rating
Sort Order
Ascending
Descending
From The
Last Day
Last 2 Days
Last Week
Last 10 Days
Last 2 Weeks
Last Month
Last 45 Days
Last 2 Months
Last 75 Days
Last 100 Days
Last Year
Beginning
Jamesbo
,
joe_padavano
Forum Tools
Post a New Thread
Mark This Forum Read
Subscribe to This Forum
View Parent Forum
Search this Forum
Show Threads
Show Posts
Advanced Search
New posts
No new posts
Thread is closed
Hot thread with new posts
Hot thread with no new posts
Sorted By
Thread Title
Last Post Time
Thread Start Time
Number of Replies
Number of Views
Thread Starter
Thread Rating
Sort Order
Ascending
Descending
From The
Last Day
Last 2 Days
Last Week
Last 10 Days
Last 2 Weeks
Last Month
Last 45 Days
Last 2 Months
Last 75 Days
Last 100 Days
Last Year
Beginning
All times are GMT -7. The time now is
09:17 PM
.