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08-04-2013, 02:21 AM
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#1 |
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Registered User
Join Date: Sep 2012
Location: salem oregon
Posts: 281
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New motor break in time
So I just put a 355 with in my truck and its about time to start prepping and getting her some run time. So the block is not new but my cam is so what should I do to get her ready to get on the road. I'm getting the oil pump primed soon and I'm wondering how long I need to have her run before moving her. Any masters at this and what should I do?
Posted via Mobile Device
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Faith and Patience with my truck, that is what i pray for every day! See my build http://67-72chevytrucks.com/vboard/s...d.php?t=580013 |
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08-04-2013, 02:27 AM
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#2 |
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Registered User
Join Date: May 2010
Location: Lewis County, WA
Posts: 1,523
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Re: New motor break in time
20 minutes above 2500rpm.
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'77 K35 - 454, SM465/NP205, 4.56 D60/14bFF |
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08-04-2013, 09:57 AM
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#3 |
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BAD BOW-Silverado XST
Join Date: May 2000
Location: Senior Member from Austin, TX
Posts: 6,431
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Re: New motor break in time
Follow these procedures. http://www.73-87.com/7387garage/driv.../newengine.htm
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08-04-2013, 11:10 AM
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#4 |
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Registered User
Join Date: Apr 2001
Location: DALLAS,TX
Posts: 22,066
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Re: New motor break in time
I agree w/the steps suggested in that link but will add that break-in oil & additives are a must if you're breaking in a motor w/a hydraulic flat tappet type cam.
I filled the oil filter w/the additive & topped it off until full w/break-in oil. Fill the crank case up w/the remaining break-in oil. Get the valves set as close as possible & timing as well. You want it to be able to start quickly & do the initial cam break-in w/o fuss.
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67SWB-B.B.RetroRod 64SWB-Recycle 89CCDually-Driver/Tow Truck 99CCSWB Driver All Fleetsides @rattlecankustoms in IG Building a small, high rpm engine with the perfect bore, stroke and rod ratio is very impressive. It's like a highly skilled Morrocan sword fighter with a Damascus Steel Scimitar..... Cubic inches is like Indiana Jones with a cheap pistol. |
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08-04-2013, 01:56 PM
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#5 |
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Registered User
Join Date: Jul 2009
Location: washington
Posts: 4,178
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Re: New motor break in time
20 min idle it 2300-2800 rpm. Varying it as Time passes after ten min it's when you know all is well.
Posted via Mobile Device
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377 sbc thumpr cam autogear m23 muncie 3:73 Detroit trutrac 3''spintech prostreet mufflers xpipe 1 3/4 headers build thread !http://67-72chevytrucks.com/vboard/s...d.php?t=577217 Iroc gauge threadhttp://67-72chevytrucks.com/vboard/s...d.php?t=554511 |
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08-05-2013, 12:33 AM
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#6 |
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Registered User
Join Date: Sep 2012
Location: salem oregon
Posts: 281
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Re: New motor break in time
So foot on the pedal for 20min that works
Posted via Mobile Device
__________________
Faith and Patience with my truck, that is what i pray for every day! See my build http://67-72chevytrucks.com/vboard/s...d.php?t=580013 |
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08-05-2013, 01:01 AM
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#7 |
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Registered User
Join Date: Jul 2009
Location: washington
Posts: 4,178
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Re: New motor break in time
If you want to sit there. I usually start it up and usd the idle screw to keep it there and vary the rpm every five min to splash lube different parts of the cam.
Make sandwich have a beer. Watch the temp and the oil press and enjoy watching your newbies come out wondering what's going on haha Posted via Mobile Device
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377 sbc thumpr cam autogear m23 muncie 3:73 Detroit trutrac 3''spintech prostreet mufflers xpipe 1 3/4 headers build thread !http://67-72chevytrucks.com/vboard/s...d.php?t=577217 Iroc gauge threadhttp://67-72chevytrucks.com/vboard/s...d.php?t=554511 |
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08-06-2013, 01:35 PM
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#8 |
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Registered User
Join Date: Sep 2012
Location: salem oregon
Posts: 281
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Re: New motor break in time
Yea I will definitely have Neighbors come out I don't have an Exhaust on it yet! I'll let u guys now how it's going when I get there.
Posted via Mobile Device
__________________
Faith and Patience with my truck, that is what i pray for every day! See my build http://67-72chevytrucks.com/vboard/s...d.php?t=580013 |
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08-06-2013, 02:14 PM
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#9 |
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BAD BOW-Silverado XST
Join Date: May 2000
Location: Senior Member from Austin, TX
Posts: 6,431
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Re: New motor break in time
Keep a water hose handy to spray down the radiator if it starts to heat up.
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08-06-2013, 02:42 PM
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#10 | |
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Registered User
Join Date: Sep 2012
Location: salem oregon
Posts: 281
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Re: New motor break in time
Quote:
 Posted via Mobile Device
__________________
Faith and Patience with my truck, that is what i pray for every day! See my build http://67-72chevytrucks.com/vboard/s...d.php?t=580013 |
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08-06-2013, 02:42 PM
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#11 | |
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Registered User
Join Date: Sep 2012
Location: salem oregon
Posts: 281
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Re: New motor break in time
Quote:
Posted via Mobile Device Posted via Mobile Device Posted via Mobile Device Posted via Mobile Device
__________________
Faith and Patience with my truck, that is what i pray for every day! See my build http://67-72chevytrucks.com/vboard/s...d.php?t=580013 |
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08-06-2013, 03:17 PM
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#12 | |
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Registered User
Join Date: Jul 2009
Location: washington
Posts: 4,178
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Re: New motor break in time
Quote:
You can say thier jimmies were rustled when he left with cutouts open and a John force burnout haha. Posted via Mobile Device
__________________
377 sbc thumpr cam autogear m23 muncie 3:73 Detroit trutrac 3''spintech prostreet mufflers xpipe 1 3/4 headers build thread !http://67-72chevytrucks.com/vboard/s...d.php?t=577217 Iroc gauge threadhttp://67-72chevytrucks.com/vboard/s...d.php?t=554511 |
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08-07-2013, 08:16 AM
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#13 |
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Crazy
Join Date: Apr 2005
Location: Emmaus, Pa
Posts: 203
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Re: New motor break in time
Mine was so loud without the exhaust, I actually had ear muffs on when I went back into the garage and adjusted the idle and checked on the vitals.
Its pretty neat to hear it purring like that, and have people walked up and be like what do you have going on in there?!?
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77 SB Stepside in a bunch of pieces scattered around the garage. |
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