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Old 04-19-2010, 09:00 AM
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Starting An Engine Out Of The Car

I recently bought a Chevy motor (1974 350) that was already out of the truck. I did some basic things to it, like; new gaskets, changed the oil, new spark plugs/wires, cleaned up most everything, etc. The motor is put back together for the most part, except the radiator hoses, fuel lines, vacuum hoses, etc. Basically, what I do have attached are the headers, the carb (no lines ran yet), the water pump, belts, starter/solenoid, altenator, spark plugs and distributor. I'm wanting to start the motor as it sits for about 5 seconds to make sure it runs before I put it in my truck. So, my question is; what all needs to be hooked up in order for me to be able to start it for a few seconds without damaging it? And how do I go about starting it?

Obviously I'm not the most mechanical person, but I'm trying to learn as I go. Thanks for any helpful input.

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Old 04-19-2010, 09:24 AM
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water, fuel, power...

it would not take long to fry something without water in jackets.. and u really need it fastened to something because when it starts the torque to flip it on its side...so i'd say fill the sys with water and of course no belts, let the water just sit there... but for me i don't recommend doing this unless u secure the motor very well..
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Old 04-19-2010, 09:38 AM
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Not advisable, but you could start it just sitting on the floor. It will not torque over when started as the torque is almost non existent at this point and when idling. I once saw an engine started this way at a salvage yard, just sitting on the oil pan.

Vince
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Old 04-19-2010, 11:41 AM
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Ayuh,... I do it all the time, from 3.0l boat motors to 350hp Mack dumptruck motors...
Hook up the fuel, water, electric,+ Fire it up...
It'll sit on the oil pan All day long, even reving it...
It can't torque over, because there's No torque factor, til it's attached to something to torque against...
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Old 04-19-2010, 12:28 PM
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What about setting it on a couple jack stands where the motor would mount and have most of the weight hang on an engine hoist?

http://www.youtube.com/watch?v=nIbK1AiQNhs
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Old 04-19-2010, 03:26 PM
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Thanks for the info. I may just wait and fire it up once I get it in my truck. I have the fenders and front end off the truck anyway, so it won't be that difficult at all to throw it in there. If I do decide to start it before hand though, I have the engine on an engine stand with a little bit of tension takin off the stand with a hoist as well. From your all's input, I assume it will be fine to start for a few seconds with the engine support I have...and not reving it just to be safe.
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Old 04-19-2010, 05:44 PM
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"Make sure it runs" ... Curious; What did the old spark plugs look like? If they all looked like they were firing; then it'll probably run. If some are all oil fouled; guess it's gonna smoke and burn oil. If one doesn't look like it was firing,,,,then maybe it wasn't. AAR: good luck.
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Old 04-19-2010, 08:18 PM
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If you have an engine storage cradle, just start it on that, just like this guy:

http://www.youtube.com/watch?v=41GTBz_SPrY
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Old 04-20-2010, 07:48 AM
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well chad it appears i'm wrong...

but i still would not do it and thats just me i guess...
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