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Oil for 81’ 383 stroker engine #5377641 03/16/20 07:55 AM
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ridgerunner Offline OP
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Nephew just picked up one and wanted advise on oil.

Re: Oil for 81’ 383 stroker engine [Re: ridgerunner] #5377650 03/16/20 08:06 AM
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andyd Offline
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popcorn


'16 Camry LE STP synth 0w20 and STP filter. the Fridge

1994 Ranger ,the Rat, 5w30 dino, STP filter

'16 Camry SE, Valvoline HM 0w20 and OEM filter
Thick oil is better grin2
Re: Oil for 81’ 383 stroker engine [Re: ridgerunner] #5377666 03/16/20 08:38 AM
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RyanY Online Content
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Personally, I would start with the oil recommended by the builder.


2007 Cadillac CTS 3.6L >130k miles; mix of PUP/Magnatec 5W-30 + ACDelco PF2129G

2012 Honda Odyssey EX-L >107k miles; STP (Amalie) 0W20 + ACDelco PF2057
Re: Oil for 81’ 383 stroker engine [Re: ridgerunner] #5377670 03/16/20 08:46 AM
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Chris142 Offline
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Stiff valve springs? Roller cam or not?


02 Wrangler Napa high milage 10w40
87 F250 Valvoline 15w40
07 fjcruiser Car lube plus 10w30
Z400 castrol T 10w40
Can am Maveric edge 5w40
57 case tractor Chevron sae30
Re: Oil for 81’ 383 stroker engine [Re: ridgerunner] #5377679 03/16/20 09:04 AM
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Olas Offline
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That age of engine is going to be in a car without cats - something with plenty zinc to keep it happy JUST IN CASE it has a wild cam and valve springs.
Valvoline VR1 is available everywhere for cheap and will keep it happy

If its completely standard and unmodified then Maxlife could be good if it has leaks, or Rotella or Delvac would be good for cleaning if its old and hasnt had a lot of maintenance recently.

Supertech on 1000mile intervals for the first 3 changes just to be sure its not completely sludged up inside?


Cable ties should hold it
Re: Oil for 81’ 383 stroker engine [Re: ridgerunner] #5377684 03/16/20 09:09 AM
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beechcraftted Offline
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On my big block 496 stroker (roller cam).I use either Rotella 15-40 or Supertech 15-40 and annual changes. Works just great.


'66 Chevelle 496 big block
'69 Corvette 427 4 speed
'70 Rebel "Machine" 390 4 speed
'04 Suburban
'10 Impala
'15 Honda F6B
'92 Suzuki Katana 1100
Re: Oil for 81’ 383 stroker engine [Re: RyanY] #5377689 03/16/20 09:13 AM
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Olas Offline
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Originally Posted by RyanY
Personally, I would start with the oil recommended by the builder.


Do we know who built it? or when?
Nephew could have purchased it from a guy who built a racecar 10 years ago who is now selling off parts...


Cable ties should hold it
Re: Oil for 81’ 383 stroker engine [Re: ridgerunner] #5377690 03/16/20 09:14 AM
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RDY4WAR Online Content
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Originally Posted by ridgerunner
Nephew just picked up one and wanted advise on oil.


Can you give more information about the engine? Without it, we're kinda playing chess in the dark.

What are the rod and main bearing clearances?
What is the intended use of the engine? (weekend cruiser, racing, etc...)
Flat tappet or roller cam? Solid or hydraulic lifters?
Will it ever see forced induction? (nitrous, turbo, sc, etc...)
What is the max rpm?
What's the ring package?
What compression?
Will it sit for long periods of time?
Is it carb or EFI?
Will it be driven during the winter?


"He who is without oil, shall throw the first rod." - Compressions 9:1
Re: Oil for 81’ 383 stroker engine [Re: RyanY] #5377710 03/16/20 09:50 AM
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CT8 Offline
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Originally Posted by RyanY
Personally, I would start with the oil recommended by the builder.

That is too logical.


2015 F150 2.7
2018 F350 6.2
Re: Oil for 81’ 383 stroker engine [Re: ridgerunner] #5377719 03/16/20 10:17 AM
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bullwinkle Online Confused
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Been using Delo 400 HDEO in my brother's modified 283 (302 sized) '67 SBC, running mechanical lifters, long slot rockers, Edelbrock Performer 600 CFM carb, not an extremely wild lift cam (double valve springs, though), combined with Comp Cams zinc aditive. Recently adjusted valves after break-in, they weren't very far off, only a little tightening needed. He had a 383 stroker motor in the CJ-7 originally, but the PO ran it too lean & actually damaged the block & one head pretty badly, block beyond repair. Your builder can tell you what bearing tolerances you have, that will determine what you run-but thicker seems to be generally better, to a point, when you race and/or run carbureted (which tends to get fuel in oil).


06 Ram 3500 CTD 4X4(FG Venturi), 89 F-450 7.3, 98 XJ 4.0(XG8A), 05 xB(XG3600), 18 Transit 3.7, 03 Merc Grand Marquis 4.6 2V(XG2), 11 Express 3500 6.0 (various Baldwin for now)
Re: Oil for 81’ 383 stroker engine [Re: RyanY] #5377736 03/16/20 11:00 AM
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chainblu Online Content
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Originally Posted by RyanY
Personally, I would start with the oil recommended by the builder.


If it was built in '81, the guy may be dead already....

Having said that, in '81 you couldn't just order a stroker crank like you can now. You had to have the mains of a 400 crank machined down to fit in a 350 block. If someone went to the trouble to have that done, I'd say it's unlikely that they put a stock cam back in it. I'd recommend Rotella or equivalent..

Re: Oil for 81’ 383 stroker engine [Re: CT8] #5377769 03/16/20 11:56 AM
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RyanY Online Content
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Originally Posted by CT8
Originally Posted by RyanY
Personally, I would start with the oil recommended by the builder.

That is too logical.

LOL I know, I'm no fun...
I suggested that because, in my former life, I didn't want to take any chances with my engine (396 Chevy, bored, 11:1, ported/polished heads, etc). I used the oil recommended by the local builder instead of taking chances with other oils. This was the late 80s so the oils were different from today's formulations, and the info @RDY4WAR requested above would be helpful when selecting a modern oil. Obviously the builder would have this info, so that would be a good place to start. If he/she is not around any more and this info is not available, it may be best to discuss with another builder of similar engines...perhaps he is familiar with the original builder's configuration. Also see this article for a few additional considerations: https://www.enginebuildermag.com/2015/01/picking-racing-oil/


2007 Cadillac CTS 3.6L >130k miles; mix of PUP/Magnatec 5W-30 + ACDelco PF2129G

2012 Honda Odyssey EX-L >107k miles; STP (Amalie) 0W20 + ACDelco PF2057
Re: Oil for 81’ 383 stroker engine [Re: ridgerunner] #5378910 03/17/20 05:50 PM
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ridgerunner Offline OP
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Kid is 18 and it is his first car, Camaro (lucky guy). I haven’t seen it yet but he says it has an Eldelbrock intake and no other info. Sorry guys. He bought it off a cop in Watertown NY.

Re: Oil for 81’ 383 stroker engine [Re: ridgerunner] #5378935 03/17/20 06:52 PM
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Gokhan Online Content
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You should run a 15W-40 CK-4 HDEO -- Delo SDE, Delvac 1300, Premium Blue 8600, or Rotella T4. It's good until 10 °F and will provide more wear protection than any other oil.


2020 Toyota Prius Prime XLE plug-in hybrid, 2ZR-FXE engine, ~ 70 mpg on gas, ~ 5,000 mi
TGMO 0W-16 SN/RC Japan
OEM spin-on oil filter Japan
Re: Oil for 81’ 383 stroker engine [Re: Gokhan] #5378960 03/17/20 07:38 PM
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tundraotto Offline
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^ YES - and for the least $ spent too

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