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292 build questions

Posted By 1946international 4 Years Ago
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1946international
Posted 4 Years Ago
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I have come to the conclusion that I won't drill the holes in the valley, others have also said it is not a good idea. Thanks for the info about it. also the tip on the flywheel bolts, I have the stock bolts but will check when they go in.
Ted
Posted 4 Years Ago
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1946international (6/22/2020)
Can you add anything to the "adding posts to unposted heads" fix. I was thinking about if that was possible.

See if one of these links to past threads regarding posted heads helps you out.

Advantages of posted heads
 Identifying posted heads
Posting G heads (how to)
Posting G heads (tutorial)



Lorena, Texas (South of Waco)


1946international
Posted 4 Years Ago
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Thanks Ted for the info and I hope no one minds that I brought that 10 year old thread about posting heads back up to the top.
Ted
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1946international (6/15/2020)
5. steam holes, I think some have said not to do this as it may cause cracks in head or block but I'll be running this with a stock Model A radiator. the 292 in the car now has the steam holes drilled and stays cool. thoughts? Radiator fill is well above the motor.

There's always controversy on this subject but here's my take on it.  If the steam holes are present in both the heads and block, I’ll leave them.  That doesn’t happen very often as I don’t have to build very many engines with late model heads.  Under no circumstances will I drill a block that has no steam holes to accommodate steam holes in the heads.  Because I deal with a large number of non-steam hole heads, I will use cast iron plugs in the block decks to do away with those steam holes when present before decking or machining the decks.  Here’s a picture of a head with a crack going thru the aforementioned steam hole.
http://forums.y-blocksforever.com/uploads/images/b47fd972-a3ce-427a-b2cf-b025.jpg 



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1946international
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Well, I guess that settles that! the block I'm building now has no holes and the unposted heads do not either, my posted heads on the running car have the holes. to tell you the truth I'm leaning on putting the money in the non-posted heads when I get to that point.  I hope to be installing cam bearings and freeze plugs this weekend. 
 
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1946international
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Well, not I can finely get back to putting this motor together and have gone as far as I can without a camshaft. So here it comes, can anyone help suggest a cam for this? What I have is a 292 with stock flat top pistons .040 over, the '57 big valve heads, '57 4 bbl stock intake and the stock #1272list Holley carb. I think this is a 450cfm carb but I may go to a 600 cfm Holley at some time. The car is a 1930 Model A with  3.73 gears and tall 30" rear tires and 3 speed T bird transmission. This will be use to drive around the street not a race car. any help would be appreciated. I have been looking at a Isky E4, I also see that John Mummert does not sell his two mildest cams any more the y265-s & y270-s but offers a y280-1-11 with a .500" lift, I think i'll have to cut the valve guides with that much lift so would like to stay away from that. Clay Smith has two that look good, the #c-265-0-b w/ 224* @ .050 & .440 lift, with 110*lsa,    and #c-272-8-b w/ 224* @ .050 and .446 lift  with 108* lsa .   
any ideas?
Cliff
Posted 4 Years Ago
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Isky E 4 is nice, or for a rumble the RPM 300
1946international
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what is a RPM 300?
Cliff
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Isky RPM 300 cam
1946international
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OK thanks, I have that one on my list as # ISK301333 , that may be a little too much with a rpm range of 2500-5500 


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