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Thanks Guys i will defiantly do a ptv when time comes.

right now just getting all the parts together i have laying around

What about the quench it will be about .059 if i dont deck the block & .039 if i take .020 off? but i will have more ptv.

what would you guys do deck or not to deck that is the new question?

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I have found out the hard way to make sure to check the deck hieght by rocking the piston agianst the cam side of the block and measure the piston on the outside of the block and then rock the piston over against the outside of the block and measure the cam side of the piston top, I use both measurements and go from there I've seen .008 and more differences by measuring that way I use a real thin narrow screwdriver blade to rock the piston back and forth I agree on selling the six pak rods and using a set of LY Make sure and check all eight piston deck hieghts I would shoot for .040 minimum deck hieght now including checking all eight pistons, you may end up with some pistons that are .055 in the hole and some right at .040 but you will be safe using .040 quench Don't be suprised to see some differences on the deck hieghts with stock type rods 500 HP with parts like yours is easy to make, shoot for 10.25 or more compression ratio BTW, 440 motors like and need big carbs, 850 CFM + Don't be suprised to see 510+ HP at 6000 RPM and 550+ Ft. lbs torque at or close to 4000 RPM