Initial break in start accomplished, need help though - The 1947 - Present Chevrolet & GMC Truck Message Board Network

Mrturner1 · 03-03-2016, 01:43 AM

So the new build started, but only for 5 seconds. I turned the distributor advanced a bit, ran for 10 seconds. Turned it a bit more and it ran longer. Am I chasing the right timing? Is this process ok?

Mrturner1 · 03-03-2016, 02:07 AM

Ok got timing set and it runs like a champ. Only problem is my belt broke after about 10 minutes of 2300rpm for the breakin period. So I know it needs 25 minutes, but what if they aren't 25 straight minutes? I did 10 tonight, so can I get a new belt and fix the pulleys and give it another 15 tomarrow and be safe with all the new parts?

toolboxchev · 03-03-2016, 03:24 AM

What belt broke? Alt. or P.S.

Mrturner1 · 03-03-2016, 03:43 AM

Quote:

Originally Posted by toolboxchev

What belt broke? Alt. or P.S.

Alt/water pump, such a bummer

toolboxchev · 03-03-2016, 03:46 AM

Its a small block Chevy, I have found these things to run in all kinds of conditions.

Maybe change the oil, run it again for a half hour.

Done. My initial break in did go that long, it seemed like a forever.

rcazwillis · 03-03-2016, 11:09 AM

Most break in periods are for the cam & lifters. The purpose is to heat everything up and get it broke into each other. I would run the engine the full recommended time in a single shot and call it good.

Why did the belt break? Old or is there another issue?

Mrturner1 · 03-03-2016, 12:14 PM

Quote:

Originally Posted by rcazwillis

Most break in periods are for the cam & lifters. The purpose is to heat everything up and get it broke into each other. I would run the engine the full recommended time in a single shot and call it good.

Why did the belt break? Old or is there another issue?

Pulley alignment. Looks like I need alternator shims

03-03-2016, 01:43 AM	#1
Mrturner1 Registered User Join Date: Nov 2015 Location: Colfax California Posts: 1,644	Initial break in start accomplished, need help though So the new build started, but only for 5 seconds. I turned the distributor advanced a bit, ran for 10 seconds. Turned it a bit more and it ran longer. Am I chasing the right timing? Is this process ok?

03-03-2016, 02:07 AM	#2
Mrturner1 Registered User Join Date: Nov 2015 Location: Colfax California Posts: 1,644	Re: Initial break in start accomplished, need help though Ok got timing set and it runs like a champ. Only problem is my belt broke after about 10 minutes of 2300rpm for the breakin period. So I know it needs 25 minutes, but what if they aren't 25 straight minutes? I did 10 tonight, so can I get a new belt and fix the pulleys and give it another 15 tomarrow and be safe with all the new parts?

03-03-2016, 03:24 AM	#3
toolboxchev Registered User Join Date: Jul 2015 Location: 2nd left past the stump on a dirt road. Posts: 2,629	Re: Initial break in start accomplished, need help though What belt broke? Alt. or P.S.

03-03-2016, 03:46 AM	#5
toolboxchev Registered User Join Date: Jul 2015 Location: 2nd left past the stump on a dirt road. Posts: 2,629	Re: Initial break in start accomplished, need help though Its a small block Chevy, I have found these things to run in all kinds of conditions. Maybe change the oil, run it again for a half hour. Done. My initial break in did go that long, it seemed like a forever.

03-03-2016, 11:09 AM	#6
rcazwillis Registered User Join Date: Aug 2013 Location: Fort Worth, TX Posts: 309	Re: Initial break in start accomplished, need help though Most break in periods are for the cam & lifters. The purpose is to heat everything up and get it broke into each other. I would run the engine the full recommended time in a single shot and call it good. Why did the belt break? Old or is there another issue?



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