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Old 05-24-2007, 09:30 AM
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head casting number

Can anybody tell me what this chevy head fits? The casting number is 882.thanks

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Old 05-24-2007, 09:44 AM
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These were common on both 350 and 400 engines from 1974 to 1980. There has been many disputes on them, some say there heavy casted, others argue there light casted and crack prone. Most of the ones I`ve seen were cracked. They had decent intake runners but large 76cc smog chambers. Not exactly a performance head. If the heads came off a 400, they will have steam holes inbetween the chambers.
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Old 05-24-2007, 02:11 PM
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A really good place for casting numbers is Mortec.com, they have block and head casting numbers and all the info you need.

its all about the links. good luck
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Old 05-24-2007, 03:24 PM
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heres a link with flow #'s
http://users.erols.com/srweiss/tablehdc.htm
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Old 05-29-2007, 08:23 PM
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Just to clarify there are actually two "882" castings. One is a heavy pre 1975 casting first used on 1969 350-295HP motors. The other is a light weight crack prone weak poor quality casting simular to the 624 junk castings. (late 70's to 80's) Both are crap from a performance standpoint. Most are 1.94x 1.50" valves. Some as used on smog 350-230hp L-82 motors had 2.02x 1.60's and guide plates. Still junk.
The reason you have them kicking around is nobody that has any knowedge of what are the good desirable castings, wants them.

Unless you're buildling a numbers matching restoration that needs those heads or a stock type commuter/truck low cr low hp rebuild, take them out to the next trash pickup or use them to anchor a floating dock or something.
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Old 05-30-2007, 06:43 PM
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i have those heads on my 350 that i rebuilt and with what the machineshop did to them was great! im not sure what the flow and everything is but on the dyno with these heads they ran 375HP and 410 ft. lbs. of tourque i had them stage 2 port and polished and they are 2.02/1.50 not 1.60 like most 202 heads have because they are originaly 1.94 heads but they were bored to 2.02 on the intake! the heads can be made into performance heads! but from the factory they do not flow good! and i will eventually change them over to a set of Aluminum heads but at the time i didnt have that much money!

Engine specs:
350 4bolt main bored .030 to 355cid
steal crank (3.48" stroke)
Sealed power flat top -5cc flat top
Speed pro piston rings
Stock rods with Milodon chromoly Rod bolts
all felpro gaskets
heads are chevy 882 heads with a stage 2 port job
Manley Stainless steel valves 2.02int. 1.50 ex.
Comp cams roller tip rocker arms 1.6 ratio int. 1.5 ratio ex.
z-28 valve springs
Comp cams XE268 camshaft
Moroso Chrome oil pan
Moroso Chrome valve covers
comp cams 84000 series lifters, which are very strong and expencive
Holly 650 DP
K&N airfilter

over all about a $3000 build!
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