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Old 04-29-2003, 07:57 PM
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Post 1985 SBC

I purchased a non running complete 350 out of a truck for $25, what I`m curious about are the lifters, they have what looks to be a extension on them, the block has the mounting points for the spider retainer in the lifter valley for a roller cam, but the holes aren`t tapped and there are no holes for a roller cam retainer plate on the front of the block, I know that the roller cam engines came with a taller lifter bore than the older small blocks, but i compared the distance of the lifter bores and there the same as on the older blocks and the oil passage is also in the same place. so what i`m trying to figure out is, can this cam and lifters be used in a older block? and is my 85 block roller cam compatible? any help is appreciated.

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Old 04-29-2003, 08:04 PM
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you can use the cam in a older block, but you can't use a roller cam in that block unless you have the bolt holes tapped for the cam retainer and lifter retainer.
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Old 04-29-2003, 08:12 PM
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Thanks V8, but I knew that much, I`ve delt with a few roller cammed jobs, but am still curious why the flat tappets have the extensions on them.
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Old 05-01-2003, 04:04 PM
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Hi DV check out this site.
http://www.chevyhiperformance.com/te...8_0307_roller/

[ May 01, 2003: Message edited by: 1BAD80 ]</p>
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