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Old 09-27-2010, 05:49 PM
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engine teardown help

for the last week I've been trying to take apart a 350. I've soaked the bolts in pb blaster, but I can't get a good enough hold on the 4 inner bolts on the intake. the outer bolts come off no problem, but the inners aren't budging. is there a special tool you guys use to do this, or am I completely missing out on something?


Is there a certain order to take everything apart?


the engine is a 75, and I'm assuming the bolts havent been moved since then, but there has to be an easier way

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Old 09-27-2010, 05:54 PM
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I usually take a good boxed end wrench but you might have to really put out to brake them loose. Have you let them soak very long?


Cole
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Old 09-27-2010, 06:13 PM
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As Cole said, there is hardly anything that will beat a good, long handle box end wrench, one with a dog-leg bend in it.
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Old 09-27-2010, 06:20 PM
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they've been getting resprayed every day for the last 4 or 5 days. that's what i think the problem is, the wrench I have isnt long enough to put the hurt on it.
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Old 09-27-2010, 06:50 PM
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Do you have acsess to a longer box wrench ?


Cole
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Old 09-27-2010, 07:30 PM
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once I make a trip to the hardware store. We'll see how it goes tomorrow.
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Old 09-27-2010, 10:40 PM
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Use another wrench to extend it. Box end of second wrench goes over forked end of first.

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Old 09-28-2010, 06:27 AM
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that's pretty genius, im gonna give that a go
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Old 09-28-2010, 05:02 PM
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got a set of box end wrenches, got 1 bolt loose, but the others are just rounding off the edges, making it harder to get a grip on them


any new ideas?
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Old 09-28-2010, 05:56 PM
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Yea thats a old trick been doing it for yrs, Works really well just be careful the wrenches can and will slip, Then welcome to the busted knuckles garage Good pic Shark .


Cole
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Old 09-28-2010, 06:05 PM
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what I dont understand is everything I'm seeing online says the bolts are 3/8 and I'm sure enough that they're 9/16, not exactly close


am I missing something?
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Old 09-28-2010, 06:38 PM
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They are 9/16 head, but the actual diamter of the threads is 3/8ths
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Old 09-28-2010, 06:45 PM
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Try this...

1. find a METRIC size wrench that is close to the same size, should be like a 13,14 or 15 mm. Then get a small hammer and tap the box end of the wrench onto the bolt. If its really rounded off, forcing a smaller size onto the bolt will usually do it.

2. I suggest using six point box end wrenches, just have six points of contact on the inside of the box end. If you are using one with 12 points, its more likely to round it off.

3. try a six point 9/16ths socket, and a breaker bar.

3. Actually try tightening the bolt SLIGHTLY, then loosen. Ive had a few bolts on irrigation sprinklers that were gunked up so bad that you couldn't budge them! Tighten them a tick, and bam, they loosened right up, and came out!

All else fails, tighten the pee out of them, hopefully the bolt head will break, and you could just unscrew the remainder once the intake is off...but that is a ABSOLUTELY, POSITIVELY LAST DITCH idea!

hope it helps!
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Old 09-28-2010, 06:47 PM
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Engine tear down help

Take a good sharp metal chisel and tap it on the head of the bolt starting a groove. After cutting in a groove, give the bolt a good hard rap with a good size hammer.
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Old 09-28-2010, 06:52 PM
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Quote:
Originally Posted by Landshark928
Use another wrench to extend it. Box end of second wrench goes over forked end of first.


craftsman!! good man...
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