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Torque specs
Stevec
on Jul 26, 2016
Nov 10, 2024
06:16 PM
by
Branjo55
11
77,838
Normal Threads
Thornton Exhaust Manifolds or Headers
vin442
on Feb 26, 2026
Mar 6, 2026
06:23 AM
by
android 211
22
1,535
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
1,490
Camshaft Suggestions
DanM
on Feb 24, 2026
Feb 26, 2026
03:37 PM
by
DanM
23
1,047
Ford 460 one piece rear main seal
71ramrod
on Feb 23, 2026
Feb 24, 2026
01:13 PM
by
Toro X6
6
904
Verify the Octane Rating for Your Fuel Provider
Tri-Carb
on Feb 23, 2026
Feb 24, 2026
07:10 AM
by
Sugar Bear
5
546
Pleasant Surprises
68B0788
on Feb 22, 2026
Feb 22, 2026
05:37 PM
by
Mr Nick
1
552
Sniper EFI continued
68B0788
on Feb 18, 2026
Feb 19, 2026
12:14 PM
by
68B0788
8
607
Edelbrock 61025 new intakes
DanM
on Feb 19, 2026
Feb 19, 2026
11:27 AM
by
DanM
0
527
Main bearing grooves.
71ramrod
on Feb 11, 2026
Feb 18, 2026
07:24 PM
by
Duh
17
1,169
Wrong Camshaft
DanM
on Feb 14, 2026
Feb 18, 2026
02:01 PM
by
CANADIANOLDS
25
1,147
Need help with vacuum diagram
PaulWinn
on Feb 15, 2026
Feb 16, 2026
07:36 PM
by
cfair
5
605
Olds 455 Trans Am / Firebird Headers
MO Olds 2022
on Dec 6, 2023
Feb 16, 2026
07:29 PM
by
MO Olds 2022
22
5,021
A tale of 2 425’s
71ramrod
on Feb 6, 2026
Feb 16, 2026
07:13 PM
by
66SportCoupe
17
734
New plugs...
Crankit
on Feb 13, 2026
Feb 16, 2026
03:59 AM
by
Olds64
3
556
Heat crossover partial block off plate
PaulWinn
on Jan 30, 2026
Feb 9, 2026
12:09 PM
by
Fun71
27
952
Air Cleaner Assembly
Bigmikey65
on Jan 19, 2026
Feb 7, 2026
10:47 AM
by
joe_padavano
4
550
Valve Seals Replacement
(
1
2
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ourkid2000
on Oct 29, 2025
Feb 7, 2026
08:26 AM
by
ourkid2000
60
2,401
455 rebuild
SkylinesSuck
on Mar 3, 2024
Feb 3, 2026
05:32 AM
by
joe_padavano
22
2,285
455 camshaft blanks.
70 Royale
on Feb 2, 2026
Feb 3, 2026
03:43 AM
by
Greg Rogers
8
645
Engine ID
jpaulwhite
on Dec 15, 2025
Jan 30, 2026
09:26 AM
by
joe_padavano
15
950
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
471
100 Mile 402569 328* W-30 Camshaft with NOS Lifters
WTHIRTY1
on Jan 22, 2026
Jan 28, 2026
10:32 AM
by
Duh
8
733
455 head gasket covers some water jacket holes
PaulWinn
on Jan 25, 2026
Jan 27, 2026
05:13 AM
by
PaulWinn
5
565
NOS Steel Shim Gaskets - Spray?
WTHIRTY1
on Jan 18, 2026
Jan 23, 2026
05:07 PM
by
68post
13
666
Power steering bracket issues
Krystof
on Jan 20, 2026
Jan 20, 2026
05:02 PM
by
Krystof
3
360
woodruff key for 425 1966 Toro
Jelonek
on Jan 18, 2026
Jan 18, 2026
09:23 PM
by
Jelonek
6
306
394 overhaul questions
Tkkruzer
on Jan 14, 2026
Jan 15, 2026
04:48 AM
by
Olds64
8
424
Standard rod bearing clearance with Skat rods
BBLima
on Jan 10, 2026
Jan 13, 2026
05:06 AM
by
olds 307 and 403
17
764
Comp cams evolution roller lifters
maddoctor
on Aug 19, 2025
Jan 10, 2026
08:31 PM
by
olds 307 and 403
18
1,000
Exhaust manifold leak
(
1
2
)
ourkid2000
on Sep 7, 2024
Jan 10, 2026
07:57 PM
by
OLDSter Ralph
40
2,170
Oil Dipstick & Tube 66 442-400
TOC
on Jul 22, 2025
Jan 10, 2026
06:16 PM
by
Andy
7
872
Temp sender question
Tirediron
on Jan 9, 2026
Jan 10, 2026
07:48 AM
by
Tirediron
3
296
Speedmaster valve spring idea.
71ramrod
on Jan 8, 2026
Jan 9, 2026
06:12 PM
by
cutlassefi
5
526
Camshaft concerns
TOC
on Jan 5, 2026
Jan 8, 2026
08:31 AM
by
BillK
23
980
425 leak on cylinder head
ShaneBH
on Jan 2, 2026
Jan 7, 2026
09:24 PM
by
ShaneBH
24
837
Power Steering Pump Brackets, Please help!!
gibbo69olds
on May 25, 2025
Jan 6, 2026
03:51 PM
by
HighwayStar 442
7
651
Shopping for 71 "H" Heads...
Fliplander
on Mar 5, 2012
Jan 6, 2026
02:55 PM
by
Fliplander
28
9,053
Valves with oversize stems to a 425.
GCH
on Dec 27, 2025
Jan 6, 2026
11:08 AM
by
BillK
9
477
Harland Sharp Rockers
DanM
on Nov 28, 2025
Jan 5, 2026
02:16 PM
by
JMJ-RIP
24
1,383
Try my hand at Rebuilding a Rochester
Gary's 2 442-S
on Jan 1, 2026
Jan 3, 2026
05:13 PM
by
Gary's 2 442-S
8
681
1970 442 Head Removal
WTHIRTY1
on Dec 31, 2025
Jan 2, 2026
10:18 AM
by
67OAI
4
623
Another one of those Olds 455 hood clearance questions.
rbt111
on Dec 30, 2025
Dec 31, 2025
08:23 PM
by
rbt111
2
456
425 forged crank nitrited?
71ramrod
on Dec 29, 2025
Dec 31, 2025
08:01 AM
by
cutlassefi
20
684
Valve Cover Leaks
rkk69olds
on Dec 24, 2025
Dec 30, 2025
04:21 AM
by
rkk69olds
6
580
455 Coolant Temp Spikes - Help!
dennisonbrower
on Dec 27, 2025
Dec 29, 2025
06:32 AM
by
dennisonbrower
14
617
Rusty pulleys and balancer timing mark question.
ShaneBH
on Dec 26, 2025
Dec 27, 2025
11:02 PM
by
Fun71
3
280
Rochester Carby leak at inlet.
ShaneBH
on Nov 10, 2025
Dec 27, 2025
04:41 AM
by
Olds64
16
922
1972 W30 pulley question
1977442
on Dec 23, 2025
Dec 26, 2025
04:04 PM
by
v8al
8
446
Howard roller lifters
gtucker
on Dec 23, 2025
Dec 24, 2025
09:38 AM
by
CANADIANOLDS
4
580
Little brown gunk on rad cap
Crankit
on Dec 19, 2025
Dec 21, 2025
07:20 PM
by
Crankit
12
517
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