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Old 07-06-2010, 09:39 PM
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first start up with new bearings and rings

i should be done with my 355 tomorrow evening. what kind of break in do i need to do? im trying to get it back on the drag strip friday night.

no machine work done, just freshen it up , rod,main and cam bearings are new as well as flat top pistons(replaced the stock replacement dish pistons) and new rings. it was put together with comp cams assembly lube and i got a bottle of the zinc additive to pour in the oil.
iv never done a bottom end so im kinda scared of the first start and break in

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Old 07-06-2010, 09:45 PM
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first start up with new bearings and rings

how do i need to run the engine? its a 30 over 350 with new flat top pistons, new cam bearings and .010 under rod and main bearings.
no machine work was done. its was rebuilt a couple years ago. it spent the last couple summers in a drag car so the oil pressure was getting low.
while i had it apart i replaced the dish pistons with flat tops and new rings.

i hope to start it tomorrow evening and have it back on the strip friday night
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Old 07-07-2010, 12:42 AM
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Old 07-07-2010, 12:47 AM
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No new cam and lifters? If not I'm assuming you kept the old cam and lifters in sequence as they came out of the block. If thats the case then I would still pre-oil it, make sure the timing is right on the button and gas in the carb so it will fire quickly. Fire it up and let it run at 1200-1500 for a few minutes and check for leaks. Time it and take it for a spin.
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Old 07-07-2010, 12:48 AM
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No new cam and lifters? If not I'm assuming you kept the old cam and lifters in sequence as they came out of the block. If thats the case then I would still pre-oil it, make sure the timing is right on the button and gas in the carb so it will fire quickly. Fire it up and let it run at 1200-1500 for a few minutes and check for leaks. Time it and take it for a spin, if all is well then break the rings in properly if you want to race it Friday.
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Old 07-07-2010, 01:03 AM
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hi stan, i admire you guys that can do engine builds, i could strip a motor ok and do the bottom end ok, but i get lost around cams and from head up im lost.
good luck, hope she runs like ya want her to!
later gator
russ
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Old 07-07-2010, 05:51 AM
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no new cam, reinstalled the comp 270H with the lifters in the same bore they came out of. it was new, only has 5 1/8th mile passes on em

cant take it for a spin, no tags
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