i think i read somewhere that it would put more stress on the block cause of the long stroke. im an idiot when i comes to that though

 

Dont think .1 is going to put really anymore stress than the regular 4" stroke. Now if we were talking about bore diameter then yeah.

 

There is some increased side loading of the crank and pistons with longer stroke assemblies but you should not be in too much danger.
The GenIII iron blocks take the 4" stroke cranks with no mods needed. The aluminum blocks require a notch at the bottom of the cylinder bore to avoid the rod hitting tho. I measured my 4" Eagle crank clearance at 0.090" ( minimum is 0.050" ), so the longer crank might cause issues. You also need to watch out for the clearance of the crank reluctor wheel and the #8 piston skirt. Going longer should make this a non issue but dang sure check it first.
One other idea is a longer rod only. Most of the kits use a 6.125" rod length but Eagle ( and maybe others ) makes a 6.200" model. This would effectively decrease the piston crown to deck height and raise compression although valve relief pistons and careful choices of gross valve lift are "suggested".

 

Got the P to V issues covered jus trying to figure out what the hell to do to get my high 10 CR and use 66 cc combustion chambers with the stock thickness gasket with off the shelf **** cause there isnt time for custom stuff. Wish this **** would have been noticed two weeks ago when the **** was ordered. The parts were recieved at the speed shop and he noticed the pistons were a -29cc instead of -2cc so now Im back to the drawing board and calculator

 

This is the reason why I know so much about the rods It took three tries to get all the correct parts sitting together at my house. Price was damn good but to do it the supplier outsourced most/all the individual items. Since I was the DIY builder it only cost me my own time ( whatever that may be worth ). My supplier even offered to pay for any extra expenses if any were to come up.
Just keep telling yourself, "There's no replacement for displacement" and "It WILL be mine one day".

 

Ill find out what the deal is monday for sure. What pisses me off is Im trying to get all this **** back together in time to go back to Texas on the 18th so I dont have very much ime to get this **** done.

 

I think the pistons are going to kill you, I think that crank is used with a 6.250 rod and different piston. I didn't know eagle made a 4.100 crank. Man good luck.

 

Just going on what they told me. Im going to call them first thing in the morning and figure something out in the morning so it can be ordered and be here the beginning of next week.

 

Just a word of caution from an old fart that's made a lot of mistakes in life..... be careful you don't get impatient and get "rammy". Go slow!! .... measure at least twice and then, just before you cut, measure and think about it one more time. Then cut slowly.

 

Thanks Jim I appreciate the advice. When it comes to building the motor I will take my time but everythign else will be ***** to the wall trying to get it done in time for me to go back to texas for thanksgiving and the GTG at HRP in Houston on the 20th.