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351 CJ Engine

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Scott View Drop Down
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    Posted: 28-July-2013 at 3:20PM
I found a complete 1973 351CJ engine.Needs freshened up but did run when he pulled it.Does't have orig.carb but is complete carb to pan.How much is it worth? Any suggestions would be great.
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Robbdtme View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Robbdtme Quote  Post ReplyReply Direct Link To This Post Posted: 28-July-2013 at 3:57PM
HEADS have 4 stamp, Block is likely a 2bolt in 73. All 351C's are the same so the CJ part you are basically buying the heads and intake. If it is complete maybe 500 as a good rebuilder
Johnny cash Special 74-75-76 freak. 77 XR7. 78 LTD II sport looks pretty but poop 302 in it.
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Scott View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Scott Quote  Post ReplyReply Direct Link To This Post Posted: 29-July-2013 at 6:07AM
From what I remember a 351CJ was called a CJ because it had 4 bolt mains no matter what year???????Anyone?
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Robbdtme View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Robbdtme Quote  Post ReplyReply Direct Link To This Post Posted: 29-July-2013 at 6:17AM
All 2 bolts can be tapped for 4 bolt mains. Blocks are  identical. Some even claim the 2 bolt is better by not weakening the main caps with  the extra 2 holes.
Other than heads exhaust and intake the 73 did not have the 4 degree cam timing delay for emissions yet like  the 2v versions.
Johnny cash Special 74-75-76 freak. 77 XR7. 78 LTD II sport looks pretty but poop 302 in it.
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iangj View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote iangj Quote  Post ReplyReply Direct Link To This Post Posted: 05-August-2013 at 11:06AM
'73 still had 4 bolt mains. Smaller valves and a wee bit less cam compared to '72. The intake will have provision for the EGR port. Exhaust manifolds are the same. The rest is the same.
The CJ had a 4-6 degree retard built into the cam gear. This can be easily fixed with a good quality gear & chain replacement.
Auto cars had single points, 4 speed had dual points.


Edited by iangj - 05-August-2013 at 11:09AM
Ian Glyn-Jones
Fonthill, Ontario, Canada

'72 Montego GT Q Code

Montego GT Registry
Forum; http://mmgt.forumchitchat.com/
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unlovedford View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote unlovedford Quote  Post ReplyReply Direct Link To This Post Posted: 05-August-2013 at 2:56PM
My '72 CJ has the 4 bolt mains. My '74 CJ has the 2 bolt mains. 1973 was the last year for the CJ 4BM blocks, but like others have said, a 2BM block can stand a lot of HP.
Joe
1972 GTSquire Wagon
1972 Torino Wagon
1976 Torino (2)       
1968 Cougar XR7-First batch
1972 Torino 460
1989 BroncoII/Jeeps/Titanimous

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