How to carefully start an old engine? - Team Camaro Tech
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post #1 of 12 (permalink) Old Mar 18th, 08, 09:52 AM Thread Starter
 
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How to carefully start an old engine?

69 Camaro, 307, its been sitting awhile. Would like to start the engine, what is the proper procedure to start an engine that hasnt been started in a long time, wd40 in cylinders, etc. Any help would be great!
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post #2 of 12 (permalink) Old Mar 18th, 08, 10:00 AM
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Re: How to carefully start an old engine?

change gas
change oil and filter.
drain fuel bowls
prelube engine if you can

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post #3 of 12 (permalink) Old Mar 18th, 08, 10:29 AM
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Re: How to carefully start an old engine?

Remove plugs and add a few oz of Marvel oil, let it soak, then spin motor to blow out.

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post #4 of 12 (permalink) Old Mar 18th, 08, 10:40 AM
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Re: How to carefully start an old engine?

Quote:
Originally Posted by z28clone View Post
69 Camaro, 307, its been sitting awhile. Would like to start the engine, what is the proper procedure to start an engine that hasnt been started in a long time, wd40 in cylinders, etc. Any help would be great!

No wd40 ,do as Dawg stated ,if you can't prime engine a little lube can be added to each hole try to spin engine manually ,put plugs in then crank 10 to 15 seconds with no power to ingnition ,then go for it ...Happy Motoring I hope for you
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post #5 of 12 (permalink) Old Mar 18th, 08, 01:11 PM
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Re: How to carefully start an old engine?

In addition to the above suggestions, cranking the engine with the plugs out is a good idea.

Dave
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post #6 of 12 (permalink) Old Mar 18th, 08, 04:33 PM
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Re: How to carefully start an old engine?

remove plugs first thing, this will let you lube it w/ marvel or atf and it will let water or oil etc out without bending a rod, you should spin the starter until you hear the motor pickup oil pres then spin it till you think it filled the push rods, maybe 3-4 10 sec spins, i do the finger over the plug hole test to see if theres a dead hole while its spinnin. have battery charger hooked up. follow all other directions in other post and you got it. good luck, worn the nieghbors about smoke bomb in advance. hope this will be outside when she fires. lol.
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post #7 of 12 (permalink) Old Mar 18th, 08, 07:33 PM
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Re: How to carefully start an old engine?

The oilfield is so desperate for engines anymore that I haven't seen a pickled engine in over 10 years. But I've started many an engine that has been in storage 10 or 20 years. They can't tell time, all they know is fuel, fire and compression. Do what everybody is telling you...prelubing, cranking with plugs out, oil in cyls. Let your ears tell you if everything is ok and then go for it.

I wish I had time to tell the story of the 49 I started that had Zero compression. Took 3 days to free it up and half a day to start. I was brutally mean to that thing. Named it Smokey. And it would smoke the tires too. 49 chevy pu frame and engine and tranny. After I got it started and we quit laughin our *** off I stood up on it and put it in gear, let the clutch out and it just spun heck out of the tires, I just let it sit there and spin laughed so hard I fell off the damthing and it just sat there bellerin smoke from both ends. I guess I did have time to tell about it.


Edit: 1 thing you'd probly do anyway but I don't recall seeing posted.... turn it through by hand first

Tim Smith
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post #8 of 12 (permalink) Old Mar 19th, 08, 06:29 AM
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Re: How to carefully start an old engine?

Heck.....all I was going to suggest was Viagra or Cialis!!!
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post #9 of 12 (permalink) Old Mar 19th, 08, 03:29 PM
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Re: How to carefully start an old engine?

And don't be afraid to hammer her hard if she won't run right, right offthe bat b/c sometime's they need hammered to straighten out their suck!

So then they get fuel right and will idle right along once the temp come's up!

In other word's gently BLOW HER OUT AT RPM!! And let her come down to a fast idle AND then tune her!!

AND, imho, good old MMO is MADE for this!!

I've used it several times through the years and one time in particular, one engine was bone ring/valves dry and had NO compression, but MMO fixed that fast!!

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post #10 of 12 (permalink) Old Mar 19th, 08, 03:38 PM
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Smile Re: How to carefully start an old engine?

Make sure you have a fire extinguisher handy....


wilma

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post #11 of 12 (permalink) Old Mar 20th, 08, 04:28 AM
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Re: How to carefully start an old engine?

I don't think anyone has stated that you should roll the engine over by hand a few strokes to make sure everything moves .. not with starter or at least thats what i used to do.

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post #12 of 12 (permalink) Old Mar 20th, 08, 05:41 PM
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Smile Re: How to carefully start an old engine?

Right!! Roll her over by hand a couple a turns by the crank bolt or using the belts the hard way!!

And I always have a water hose handy w/ the rad. cap loose too in case she heats up before she normalizes!!

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