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Old 02-11-2016, 08:24 PM   #1
crazyjim
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Starting up a rebuilt 350 motor for the first time

What needs to be done ?
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Old 02-11-2016, 08:46 PM   #2
rich weyand
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Re: Starting up a rebuilt 350 motor for the first time

Same as for a new crate engine. Here's the GM instructions, starting in the middle of page 3.

https://www.chevrolet.com/content/da...e-12499529.pdf
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Old 02-11-2016, 10:24 PM   #3
crazyjim
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Re: Starting up a rebuilt 350 motor for the first time

Thank you Rich.
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Old 02-12-2016, 12:30 AM   #4
MikeB
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Re: Starting up a rebuilt 350 motor for the first time

If the engine has a flat tappet cam, it's a good idea to add a can of break-in lube like CompCams #59. Or better yet, 5 quarts of a true break-in oil like Joe Gibbs Driven BR30.
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1969 C10 LWB -- owned for 35 years. 350/TH350, 3.08 posi, 1st Gen Vintage Air, AAW wiring harness, 5-lug conversion, 1985 spindles and brakes.
1982 C10 SWB -- sold
1981 C10 Silverado LWB -- sold, but wish I still had it!
1969 C10 (not the current one) that I bought in the early 1980s. Paid $1200; sold for $1500 a few years later. Just a hint at the appreciation that was coming.
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