Go Back   Corvette Forum > C3 Corvettes, 1968 - 1982 > C3 General
Sign in using an external account
Register Forgot Password?
Register Search Today's Posts Mark Forums Read FAQ Vendor Directory
Search
C3 General
General C3 Corvette Discussion not covered in Tech Sponsored by
Corvette America

Welcome to Corvetteforum.com!
Welcome to Corvetteforum.com.

You are currently viewing our forum as a guest, which gives you limited access to view most discussions and access our other features. By joining our community, at no cost, you will have access to post topics, communicate privately with other members (PM), respond to polls, upload content and access many other special features. Registration is free, fast and simple, join Corvetteforum.com today!


Corvette Store
 
 
C7 Parts & Accessories
C6 Parts & Accessories
C5 Parts & Accessories
C4 Parts & Accessories
C3 Parts & Accessories
C2 Parts & Accessories
C1 Parts & Accessories
Wheels & Tires
Sponsored Ads
 
 
Vendor Directory
  
Reply
 
 
 
 
Thread Tools Search this Thread
Old 05-29-2005, 09:51 AM   #1
b71vette
CF Senior Member
 
b71vette's Avatar
 
Member Since: Jan 2004
Send a message via AIM to b71vette
Default Best Brand/Weight Oil for new 383 Stroker

I just purchased a new 383 Stroker with 2 hours of dyno time on it. It has a COMP CAM Mechanical Roller and a Melling M55HV oil pump.

What do you all recommend for Oil Brand/Weight and Oil Filter ?

Dino or Synthetic ?

Should I change out the oil pump spring to the high pressure spring ?

Thanks for your help
b71vette is offline   Reply With Quote
Old 05-29-2005, 09:56 AM   #2
bobs77vet
CF Senior Member
 
bobs77vet's Avatar
 
Member Since: Sep 2004
Location: Arlington Va
Default

i'm using valvoline 10w30, and i'm thinking i'm going to stay with that and change oil/filter every 1500 miles.. i changed my oil after the first 1 hour of run time and then again at 500 miles
bobs77vet is offline   Reply With Quote
Old 05-29-2005, 04:42 PM   #3
carl a
CF Senior Member
 
carl a's Avatar
 
Member Since: Jun 2002
Default

i run 10 w 30 in the winter ,,just for start ups ....i change that in the middle of june before bloomington gold,,and then i run castrol 20w 50 racing oil,mines also a 383, we drive em hard on the road tour at bloomington.so i go with the 20 w 50in summer
__________________
carl a is offline   Reply With Quote
Old 05-29-2005, 06:03 PM   #4
gkull
CF Senior Member
 
gkull's Avatar
 
Member Since: Apr 1999
Location: Reno Nevada
Default

It depends on your oil pressure "Hot" If you have a modern tight motor I ran 5W30 and 10W30 because the oil pressure would have always been pegged if you tried 20W-50.

My new motor is just broke in so I shifted from Dino breakin oil to the new 0w-50 Castrol full syn.
gkull is offline   Reply With Quote
Old 05-29-2005, 07:29 PM   #5
LFZ
CF Senior Member
 
LFZ's Avatar
 
Member Since: Feb 2003
Location: Charlotte NC
Default

20w50 Valvoline VR1 Racing oil...i also run the same high volume melling pump and see 60psi regularly.
__________________

1969 Stingray | 2008 Z06
LFZ is offline   Reply With Quote
Old 05-29-2005, 08:47 PM   #6
bobs77vet
CF Senior Member
 
bobs77vet's Avatar
 
Member Since: Sep 2004
Location: Arlington Va
Default

Quote:
Originally Posted by gkull
My new motor is just broke in so I shifted from Dino breakin oil to the new 0w-50 Castrol full syn.
why so high on the 50 side?
bobs77vet is offline   Reply With Quote
Old 05-29-2005, 10:01 PM   #7
Red73
CF Senior Member
Support Corvetteforum!
 
Red73's Avatar
 
Member Since: Feb 2000
Location: Fairport NY
Default

My 385 runs Mobil 1, 10w30.
Red73 is offline   Reply With Quote
Old 05-29-2005, 10:15 PM   #8
oregonsharkman
CF Senior Member
 
oregonsharkman's Avatar
 
Member Since: Aug 2004
Location: Keizer Oregon
Default

Quote:
Originally Posted by Redshark6974
20w50 Valvoline VR1 Racing oil...i also run the same high volume melling pump and see 60psi regularly.

383 stroker here as well...
oregonsharkman is offline   Reply With Quote
Old 05-30-2005, 11:10 AM   #9
mandm1200
CF Senior Member
Support Corvetteforum!
 
mandm1200's Avatar
 
Member Since: Jan 2004
Location: New Cumberland PA
Default

As a note: higher pressure does not equate into higher volume. A thicker oil my increase the pressure because less oil is able to pass through the engine.
mandm1200 is offline   Reply With Quote
Old 05-30-2005, 12:07 PM   #10
gkull
CF Senior Member
 
gkull's Avatar
 
Member Since: Apr 1999
Location: Reno Nevada
Default

Quote:
Originally Posted by bobs77vet
why so high on the 50 side?
Single weight oil is pretty easy to understand. You want an oil thick enough that when your at max HP, max operating temp, and what ever oil pressure that your bearing surface never touches the crank shaft. Your always running on a very thin oil surface.

Multi weight oil "0W-50" has the cold flow properties of "0 weight oil" and at high temp the properties of 50 weight.

I often have water temps exceeding 220 degrees for long periods of time. I'm happy driving slow when it get down to 190 - 200. This is just a test. This 0w-50 HOT gives me about 40 psi at idle and it climbs to a peak of 75 psi from 5000 - 7000 rpm.

as I said this is just a summer test and if the oil pressure gets to running consistantly to high I will drop back down to something less. My 383 cold had 60 at idle and 80 pegged as you revved it up even with 5W-30. I went with less crank baring width in my 427 build to bleed off some pressure and I don't run a oil restricted top end.
gkull is offline   Reply With Quote
Old 05-30-2005, 12:33 PM   #11
b71vette
CF Senior Member
 
b71vette's Avatar
 
Member Since: Jan 2004
Send a message via AIM to b71vette
Default Oil pump related question

I have approximately 3/8" to 1/2" endplay on the intermediate shaft(Melling IS-55E) between the oil pump (M55HV) and distibutor (MSD 8571 Pro Billet). Using an Edlebrock RPM Airgap Intake. Specs I have seen stat the endplay should be .060". When I lift up the intermediate shaft at the oil pump end it's very close to disengaging. Are ther longer shafts available. I fiure I need one about 3/8" longer.

Any suggestions?
b71vette is offline   Reply With Quote
Old 05-30-2005, 12:33 PM
 
Go Back   Corvette Forum > C3 Corvettes, 1968 - 1982 > C3 General
Reload this Page Best Brand/Weight Oil for new 383 Stroker
 
 
 
Reply

Tags
383, 50, brand, c3, corvette, engine, mobil, oil, run, strocker, stroker, synthetic, valvoline, vr1, weight


Thread Tools Search this Thread
Search this Thread:

Click for Advanced Search

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
Trackbacks are Off
Pingbacks are Off
Refbacks are Off

Forum Jump

Similar Threads
Thread Thread Starter Forum Replies Last Post
What oil pump to get for 383 Stroker, factory oil pan? speedbird1229 C3 Tech/Performance 11 04-19-2013 07:34 AM
77 Oil Leaking Acesone C3 Tech/Performance 2 02-04-2012 02:11 PM
Oil pan for 383 Phil Zell C3 Tech/Performance 22 02-17-2009 05:38 PM
Oil Pump for 383 Stroker? b71vette C3 Tech/Performance 13 02-26-2005 10:57 PM
Any oil pan or other clearance problems with a 383 stroker? ldyoung C3 Tech/Performance 13 03-01-2003 08:05 PM


All times are GMT -4. The time now is 05:21 PM.


Emails & Password Backup