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-   -   421 or 434? (https://www.racingjunk.com/forums/showthread.php?t=19883)

v8Fiero 02-22-2008 04:25 PM

very nice! then again Im a bit biased towards that crank :D

I cant wait to see how the rest of the build goes.

cncmotorsports 02-26-2008 07:29 PM

Buy the AED 950 carb, the 750 will be to small, also on the rods, eagle CRS6000BST2000 is what you need

lookingaround 02-27-2008 01:58 PM

those are small journal?
http://www.jegs.com/i/Eagle/356/CRS6000BST/10002/-1

us7race 02-28-2008 02:29 AM

Jegs site is listing them wrong...Check out eagle's site here..bottom of the page...


http://eaglerod.com/products/Chevy/s...BC%20rods.html

engineaction 03-01-2008 06:25 AM

I am new here, but read your post regarding the 421, 434 project. I would have your New eagle crank checked end to end with a Rockwell Scale for hardness. You will be surprised at the inconsistentsy. Also measure your rod and main journals, and order your bearings accordingly to accomodate clearances. If you use an Eagle rod and you have intentions of putting your engine on the spray, stay away from the lightweight series H-beam rods. The ARP 2000 rod bolt upgrade is a must. Also take them straight to the machine shop, break them down, re-torque, and have them checked for size. Eagle cranks and rods are great items, but they do require some attention.

Josh
Action Engineering
www.actionengineering.net

topsportsman1 03-01-2008 06:53 AM


Originally Posted by engineaction
I am new here, but read your post regarding the 421, 434 project. I would have your New eagle crank checked end to end with a Rockwell Scale for hardness. You will be surprised at the inconsistentsy. Also measure your rod and main journals, and order your bearings accordingly to accomodate clearances. If you use an Eagle rod and you have intentions of putting your engine on the spray, stay away from the lightweight series H-beam rods. The ARP 2000 rod bolt upgrade is a must. Also take them straight to the machine shop, break them down, re-torque, and have them checked for size. Eagle cranks and rods are great items, but they do require some attention.

Josh
Action Engineering
www.actionengineering.net


X2 I agree with Josh here,this should get interesting if we can get actual numbers.
But then again some machine shops don't even know any thing about Rockwell tests.

I could go on here about some of these off-shore items but I am stoping now,You pay for what you get,like Josh said,you need to have these things,resized or even remachined,never take it for granted out of the box is fine,most likely they are not,and do require attention.

lookingaround 03-01-2008 07:12 AM

thanks for the info Josh and Tom


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