as competent as this guy seems and as nice as the shop seems. i find it odd that he has no means to run a sonic test??

sending the block away also sounds expensive!

 

There any other machine shops in the vicinity? Shipping it most certainly is expensive, tossing it in the back of your truck (or whatever...) and driving an hour or more to find someplace that CAN do it, might be cheaper than a holed block because the walls were to thin.......

Information on this is all over the place, seems there is no real consensus on what is "safe", and what is not...... casting consistency seems to be somewhat lacking here. Everyone has had a different experience.......

Call around, see what you can find within a reasonable driving distance. Take it from there.

 

How married are you to this particular block?

If you can't get it sonic checked, the only sure fire way to be sure is to sleeve it, (all of it, if you aren't 100% sure about its current condition) or let him clean up the one or two offending cylinders and sleeve them back to where the others are. Be aware that the process of driving the sleeves in can cause the adjoining cylinders to go out-of-round. It may be possible to run a "slug" down the adjoining bores to keep that from happening, by using a couple worn pistons of the correct size, but it should still be checked after its finished.

 

im going to get it sonic tested. just a matter of when, ill call around and see.

my friends shop may have one, as they are the largest shop in the area. ill ask him tomorow.

 

ok im getting it tested tomorrow

local place called, MAGNUM machine specializes in chrysler engines. he said that if the block is good at .030, it wont be a problem to go .040. its .005 on the radius and he said if thats the difference b/w a smooth running engine and catastrophic failure, we would have had failure at .030. he also said hes done several magnum block .060 w/o problem.

 

Ah, but you had stated that this engine had never been run before with the .030 overbore. So it's not 100% fine at .030, unless it's checked. looking okay and running ok are 2 different things.

 

yes ik, just making a statement

 

I hope everything checks out ok for you. Nothing is more irritating than being so close and having to start over. I'll keep my fingers crossed for you.

 

FWIW, I believe several of the guys at bionic have gone to .030 or .040 without issue. One nice thing about shaving a bit more off is that you gain a few extra cubes...

 

good to hear. yep 410 STROKER