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Old 02-19-2012, 06:24 PM   #1
zornjaso
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Join Date: Nov 2011
Location: Austin, TX
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454 questions

I recently bought my first classic truck. It is a 67 swb that had the original engine replaced with a 454. I have a few questions about the engine.

1. What vehicle did this engine come from? The number stamped into the top of the engine block is CG3300333. I've tried to research this number but haven't been able to find anything.

2. I want to add an a/c compressor. What do i need to do to install a compressor? The engine currently has a long water pump installed on it. Below are some pics to see the current set up.

Any information would be greatly appricaited.
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Old 02-19-2012, 07:40 PM   #2
geezer#99
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Location: Bowser
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Re: 454 questions

Get the casting number off the block. It's right behind the drivers side head. Then look on this list.
http://www.nastyz28.com/bbcmenu.php
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Old 02-19-2012, 08:33 PM   #3
zornjaso
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Re: 454 questions

Thanks Geezer.

It's a 75-87 block.
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Old 02-19-2012, 09:04 PM   #4
JimKshortstep4x4
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Re: 454 questions

There should be a suffix code stamped on the engine pad under the alternator. If you can find it and read it, then looking up the code will give you the vehicle the engine was original installed in.

Jim
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1971 Shortbox step side 4x4, 350 sbc, 3:07 rear end
1965 Impala SS 400 sbc, Muncie rock crusher
1966 Impala SS 396 bbc, TH 400
1969 El Camino, 350 sbc, TH 350
1971 Snowplow built on a Blazer frame
1972 GMC Short bed, stepside, TH 400, 427 BBC
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