I guess I should mention that we have new I-Beam rods for the smaller Y-Blocks, 239-256-272-292. Direct replacement for the EBU and C2AE rods.

They're like the 312 rods only .070" longer. Just haven't got them on the website yet.

http://ford-y-block.com 

20 miles east of San Diego, 20 miles north of Mexico

Hi ....I, have a friend who may have a steel crank for sale. It's a forged steel crank 292 most likely...Intended to be used on a truck....not sure?

Best Regards,

Jeff

thanks ted i'm kinda leaning toward a steel crank with the 1.85 journal rods they are 6.2 lenth im hoping the new block happens but if not i have some plans to maybe see if i can get sleeves furnace brazed in. i have never seen an engine so locked up as 272 thats in truck, so if i knock pistons out and damage cyl its no lose. i kinda wanna do a 4inch bore with 4 inch stroke. i know verne said his block will be 4.125 bore but if he does block i'll go in that direction. adam 

The C2AE and C1TE truck rods are a step above the EBU and ECZ rods.  The same attention to detail must be applied to the truck rods though when rebuilding them from scratch and aftermarket rod bolts are always recommended in all connecting rod rebuilds.  If using any connecting rods that are half a century old, then knowing their history helps.  If they’ve already been cycled extensively or have been used in a previous performance application, then they are best avoided.  New replacement 312 length rods in a HD design are available from John Mummert.  If offset grinding the crankshaft to 2.100” or 2.000” journals, then there are a multitude of aftermarket options to choose from.

Lorena, Texas (South of Waco)

The connecting rod design will dictate how much stroke is possible as the rod to camshaft clearance is the limiting factor on the Y engines.  All other crankcase areas will allow for a significant stroke increase without clearance issues.  With the 1.889” journals (Honda), I’m doing the 4.000” stroke with the Eagle 6.300” H-Beam rods for Y builds.  There’s no special base circle reduction on the camshafts as I’m going for as much lift as possible.  I do put a small chamfer on the camshaft side of the rod around the top of the rod bolt threads though to insure a minimum of 0.050” clearance between the rods and the camshaft lobes.

Lorena, Texas (South of Waco)

I think that suggestions that Y-Blk rods are weak, needs to be put in prospective.. Keeping in mind that a damaged rod looked at today, is probably over 50 yrs old! And some of them were used for medium heavy Truck & Bus service. And as Warren points out, the cap bolts should be replaced in a current rebuild at the minumum. He also notes that (from 1961-64) heavy duty C1TE rods were available, that fit a 312. Further, there were H.D. C2AE rods that fit 272-292s. In any case, historically Y-Blk rods were likely at least as good or better than earlier SBC rods.

Paul

Williebill,

If you do a search you probably see most of the information you require. There are four options. Original rods for original stroke 272/292 these can be improved with ARP bolts. Eagle H beam rods are used in stroker applications by reducing the diameter of the big end journal by offset grinding. These are essentialy scrub rods. There are forged truck rods C1TE that go with the steel crank these are the right lenght for 312. Also John Mumert list I beam aftermarket rods for 312.

Also if you look at the racing section you will see a thread on "new blocks" the idea is being thrashed around but at 4.125 bore these will be a big block y block. Or is that a big y block or y big block. If it eventuates that will give you some cubes.

cheers

Warren   

Grizzly (Aussie Mainline)

If the stock rods are the weakest parts,are there any non 312 rods that are better than others? Any year better than the others?

that might help explain why 2 of the junkyard 292s I've picked up have mangled rods in them. I'm using one of them as a mockup empty block because the block is really trashed,and I had to sawzall some of the rods to even get them out.

Southern Malcontent since 1952

I don't know if a "max" has been found but Ted built a 4" stroker. Since you are determined to use a particular rod, the max will be dictated somewhat by that rod, it's outer dimensions, and center to center length. There will be a minimum compression height required for the pistons, which will be custom as well, but I'm not sure what that is. If you know the rod dimensions, maybe Ted can give you an idea about what stroke is possible with it.


Lawrenceville, GA

so if i go with a billet crank and the 1.85 rods what is max stroke before i hit cam or something in bottom of block