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break in oil #2829502
10/06/20 06:43 PM
10/06/20 06:43 PM
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taunton, mass. 02780
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moparthunder70 Offline OP
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what's the best break in oil to use for a fresh rebuild..non detergent / detergent ? 30 weight ??

Re: break in oil [Re: moparthunder70] #2829515
10/06/20 07:06 PM
10/06/20 07:06 PM
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Omaha Ne
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TJP Offline
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Originally Posted by moparthunder70
what's the best break in oil to use for a fresh rebuild..non detergent / detergent ? 30 weight ??


Going to need a bit more info whistling

What is it, who built is, flat tappet? Roller cam ? shruggy

Re: break in oil [Re: moparthunder70] #2829519
10/06/20 07:15 PM
10/06/20 07:15 PM
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West Plains, MO
DrCharles Offline
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popcorn

Re: break in oil [Re: TJP] #2829678
10/07/20 08:47 AM
10/07/20 08:47 AM
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taunton, mass. 02780
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moparthunder70 Offline OP
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was built by a local engine rebuilder here called precision engine...everything is stock...standard bore, stock cam and lifters (flat tappet), standard main and rod bearings.new timing chain, heads reconditioned, etc, etc...

Re: break in oil [Re: moparthunder70] #2829695
10/07/20 09:24 AM
10/07/20 09:24 AM
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Ohio
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jlatessa Offline
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We've always used Valvoline VR1 on our FT break-ins, never a problem.

What are your clearances?
We run on the tight side, so 10-30 for us.

Joe

Re: break in oil [Re: moparthunder70] #2829708
10/07/20 09:54 AM
10/07/20 09:54 AM
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Pikes Peak Country
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I've used Gibbs Driven break in oil for my last couple of flat tappet builds.

Re: break in oil [Re: TC@HP2] #2829712
10/07/20 10:00 AM
10/07/20 10:00 AM
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taunton, mass. 02780
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moparthunder70 Offline OP
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thanks for the info guys, I appreciate it

Re: break in oil [Re: jlatessa] #2829718
10/07/20 10:03 AM
10/07/20 10:03 AM
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taunton, mass. 02780
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moparthunder70 Offline OP
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rod bearings were plstigaged... .0015/ .002 clearance...cylinders honed, new rings...right now the engine is tight as you hand crank it...I do believe this is fairly normal with new rings, etc...

Re: break in oil [Re: moparthunder70] #2829719
10/07/20 10:03 AM
10/07/20 10:03 AM
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New York
VCODE Offline
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Penn 1 30w break in. it was Brad Penn.


Mom & Dad let me buy a brand new 70 Challenger R/T 440 Six-Pack Super Trac Pack when I was 17 (Robert what is a 440 Six-Pack)
Re: break in oil [Re: jlatessa] #2829721
10/07/20 10:07 AM
10/07/20 10:07 AM
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taunton, mass. 02780
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moparthunder70 Offline OP
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rod bearings were at .0015 /.002 plasitgage...cylinders honed with new rings..main bearing clearances to spec also...engine is tight when hand cranked...I think that is fairly normal with the new rings, etc...

Re: break in oil [Re: moparthunder70] #2829749
10/07/20 10:42 AM
10/07/20 10:42 AM
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So Near, Yet So Far
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That's pretty tight. I'd use a 10W-30, pre-oil it before startup.
Fill the carb bowls & set timing so it fires quickly.
Driven, Lucas, and others have break-in oils, haven't had problems with any of them.

Re: break in oil [Re: topside] #2829787
10/07/20 11:32 AM
10/07/20 11:32 AM
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Ohio
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jlatessa Offline
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Wow, that is pretty tight, maybe a good 5-20 with the ZDDP additive??

Joe

Re: break in oil [Re: jlatessa] #2829804
10/07/20 12:11 PM
10/07/20 12:11 PM
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north of coder
moparx Offline
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Originally Posted by jlatessa
Wow, that is pretty tight, maybe a good 5-20 with the ZDDP additive??

Joe



this is my thoughts as well. did you check the lifters for rotation before you installed the intake ?

as the saying goes : "no one will know if your bearing clearances are a touch too loose, but everyone will know if they are too tight."
beer

Re: break in oil [Re: topside] #2829844
10/07/20 01:42 PM
10/07/20 01:42 PM
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northwest USA
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Originally Posted by topside
That's pretty tight. I'd use a 10W-30, pre-oil it before startup.
Fill the carb bowls & set timing so it fires quickly.
Driven, Lucas, and others have break-in oils, haven't had problems with any of them.


Buy a quality 5/30,10/30 or 30 break in oil. Do it right the first time. Joe Gibbs driven, Brad pen, Lucas oil. Your clearances are too tight for the age old 20/50.

Forget the ZDDP additives, how do you know that crap will mix in & work with whatever oil you are using? You don’t.
Current shelf oil has too much detergent and it fights with your expensive ZDDP so it won’t function like the bottle says it will.

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Last edited by NANKET; 10/08/20 11:21 AM.
Re: break in oil [Re: moparthunder70] #2829865
10/07/20 02:11 PM
10/07/20 02:11 PM
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Bend,OR USA
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I would use, and do use it, Valvoline 5w20WT petroleum based, not synthetic tsk with a zinc additive for the cam and lifters to make the initial start up and make sure it starts right away and run it at or above 1500 RPM for 20 to 30 minutes without idling twocents
I do prime all of my motors before starting them and rotate them over with the spark plugs out while priming the motor for 4 to 10 revolutions before trying to start it and then run them for the break in run scope twocents
IHTHs


Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
Re: break in oil [Re: moparx] #2829996
10/07/20 03:35 PM
10/07/20 03:35 PM
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Anchorage, Alaska
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Originally Posted by moparx
Originally Posted by jlatessa
Wow, that is pretty tight, maybe a good 5-20 with the ZDDP additive??

Joe



this is my thoughts as well. did you check the lifters for rotation before you installed the intake ?

as the saying goes : "no one will know if your bearing clearances are a touch too loose, but everyone will know if they are too tight."
beer


iagree

I used 6 quarts of the Comp Cams breakin oil. Most expensive oil I've used to date, and it was only in it for a few hours at most cry


1968, when Dinosaurs ruled the Earth
Re: break in oil [Re: moparthunder70] #2830140
10/07/20 07:47 PM
10/07/20 07:47 PM
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s. e. pa.
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amzoil 30 wt

like it best

run it for 1000 miles , no dumpin it right away , so it is cost effective !

then switch to v r 1

wix filters

Re: break in oil [Re: moparthunder70] #2830215
10/08/20 06:21 AM
10/08/20 06:21 AM
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uk
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rockjason Offline
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This is a very good oil

ZDDP Performance Motor Oil SUM

Lucas Engine Break-In Oil 10631


Competition Cams 1590-12 Break--In Oil SAE 10W-3

Last edited by rockjason; 10/08/20 06:28 AM.
Re: break in oil [Re: rockjason] #2830840
10/09/20 02:45 PM
10/09/20 02:45 PM
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BradPenn Penn Grade Break in Oil , look no further , Summit Racing free shipping or ebay usually has free shipping , try it works good

Re: break in oil [Re: fury4speed] #2830972
10/09/20 09:26 PM
10/09/20 09:26 PM
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Blair County,PA
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[qCan't find betteruote=fury4speed]BradPenn Penn Grade Break in Oil , look no further , Summit Racing free shipping or ebay usually has free shipping , try it works good [/quote]

Can't do better,and a little history.

The PennGrade refinery in Bradford, Pa., (formerly known as Brad Penn) the oldest continuously operating lube oil refinery in the United States, still refines 100% Pennsylvania grade crude, one of the best sources of high quality lubricant base stocks in the world.

PennGrade 1 is cut from Pennsylvania grade crude oil from the Bradford Oil Field in Bradford, Pennsylvania, where it was first extracted in 1859. The oil has a unique green color and clings like no other oil to your highly stressed engine parts. Its enhanced levels of zinc and phosphorous (ZDDP) protect vital engine components, and it has been the first choice of engine builders and equipment manufacturers for decades.







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