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whats needed for 241 castings?!

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Old 04-21-2006, 12:08 PM
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Default whats needed for 241 castings?!

so I just got some heads. there the 241 castings. I have a 98 SS that will be recieving them. anything need to be changed?!
Old 04-21-2006, 12:12 PM
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The valve covers also, if u dont have them already.
Old 04-21-2006, 12:39 PM
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head gaskets are diff too..make sure the year you order is 01 and newer.
Old 04-21-2006, 12:40 PM
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valve covers, coil pack bracket (you need two), (2) head gaskets for a 01+ ls1, not the 98 graphite's, get the MLS.
Old 04-23-2006, 04:14 PM
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you can get coil brackets at a gm dealership for like 12 buck a piece. The bolt holes for the coils are not pre-tapped. Most people get a tap and tap them but i took a coil bracket bolt and put it in my cordless drill and sprayed some wd-40 in the hole and screwed the bolt in. went right in and threaded perfect.




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