 Best method of break in for motor rebuild?, Also what oil to use during & after |
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| JRust |
 Oct 13 2009, 08:45 PM
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914 Guru  Group: Members Posts: 6,317 Joined: 10-January 03 From: Albany Oregon Member No.: 129 Region Association: Pacific Northwest 
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I am getting my rebuilt 2.0 motor back for my 74 LE resto. What is the best way to break in the motor from the time I put oil in the first time. Also what oil do you recommend for the initial break in. I plan to use Brad Penn 20w50 after. I know they make a break in oil at like 30 weight. Just curious what you guys recommend (IMG:style_emoticons/default/confused24.gif)
Also would it be better to start out with Carbs. I don't know the condition of my FI. I will be replacing all the lines & cleaning my Fuel injectors. Just seems like I could troubleshoot the carbs initially a little easier. Again what do you guys prefer? |
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| McMark |
Oct 14 2009, 11:10 AM
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914 Freak! Group: Retired Admin Posts: 20,180 Joined: 13-March 03 From: Grand Rapids, MI Member No.: 419 Region Association: None |
I'm realize we may all be talking about different meanings of break in.
Basically, when making the first 20 minute cam break in, the carbs have a hell of a lot less to go wrong during that time. I suppose if you have a definitively running fuel injection setup that was compatible with the motor you built, then it would be a find choice. But most often for me, I'm dealing with some combo that I don't have tuned FI for. Basically, my biggest concern for the first few minutes is getting the motor spinning and keeping it going. I don't want anything to stop me. With FI I could have a wiring problem, I could have a tuning issue, I could have a bad sensor, I could have something hooked up incorrectly. Too many things to deal with for those first few minutes. Once the 20 minute cam break in is done, then I change out the break-in oil and treat it like a 'normal' motor. |
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Posts in this topic
JRust Best method of break in for motor rebuild? Oct 13 2009, 08:45 PM
underthetire
I am getting my rebuilt 2.0 motor back for my 74 ... Oct 13 2009, 09:37 PM Jake Raby do not fill the filter first!! Doing so ta... Oct 13 2009, 09:40 PM McMark :agree: don't fill the filter.
I like break i... Oct 13 2009, 10:10 PM plays with cars Curious about comments not to fill the filter: it ... Oct 14 2009, 12:47 AM
jcd914
Curious about comments not to fill the filter: it... Oct 14 2009, 01:01 AM McMark Jim's got it spot on.
It's easier for the... Oct 14 2009, 01:07 AM Jake Raby Air won't push oil very well, basically not at... Oct 14 2009, 07:43 AM Gint Wouldn't performing a break in with carbs incr... Oct 14 2009, 08:13 AM charliew A simple pressure primer made out of 3.0 inch pvc ... Oct 14 2009, 09:23 AM 7275914911 I to am very interested in this topic. In the next... Oct 14 2009, 10:05 AM 9146986 I always disable the ignition after an oil change ... Oct 14 2009, 01:30 PM zymurgist
I always disable the ignition after an oil change... Oct 14 2009, 03:23 PM ConeDodger I don't trust 30+ year old EFI for break-in be... Oct 14 2009, 01:42 PM tat2dphreak
does Jake have his technique laid out somewhere? Oct 14 2009, 02:21 PM ConeDodger
does Jake have his technique laid out somewhere?... Oct 14 2009, 02:45 PM Jake Raby
does Jake have his technique laid out somewhere?... Oct 14 2009, 04:04 PM tat2dphreak thanks Jake, I'll have to sign up to another s... Oct 14 2009, 04:36 PM yeahmag Hijack: What about filling the filter with oil whe... Oct 14 2009, 06:09 PM ConeDodger
Hijack: What about filling the filter with oil wh... Oct 14 2009, 06:13 PM McMark :agree: I never fill a filter. Disabling the igni... Oct 14 2009, 06:19 PM yeahmag Damn. Just when I thought I knew everything... Oct 14 2009, 06:21 PM JRust I called the kinda local Brad Penn distributor. He... Oct 17 2009, 01:31 PM McMark BP 30 wt break in oil. It's nether of the one... Oct 17 2009, 07:59 PM tat2dphreak
was his question tho... the "after break-in... Oct 17 2009, 08:27 PM JRust
was his question tho... the "after break-in... Oct 17 2009, 09:14 PM McMark Come on, I can't be expected to read EVERY wor... Oct 17 2009, 11:18 PM JRust That seems to be what I hear used the most. I figu... Oct 17 2009, 11:38 PM |
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