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Reciprocating action of the crank, rods, and pistons will always cause harmonics to come from the rotating assembly. Balancing the rotating assembly effectively lowers the stress on all of the internal engine components by making everything even. It doesn't however negate harmonics like you may...

Fluidampr's are not as great as what they would like you to believe. Pointless to have your rotating assembly balanced if you use one of these. Their properties change between from startup cold to running warm. Any respectable machine shop or engine builder will tell you the same if they know...

Yea I kinda figured on that one lol. Probably do a lower hose heater or a stick job to help with the cold starts. Got a new block the other day but had guard drill so didn't have time to tink with it yet hank1948 I read a thread earlier where you had machine the head precups out bigger. I...

Good luck with that one. Custom headers usually start $1200-$1500 brah...

Hey I need new cylinder heads for my 6.5 as the old ones are cracked between the valves on the engine I'm building. I looked on eBay and found some that were $270 a piece plus free shipping I just have to return my cores to them. The company is called JEC enterprises. Anybody heard of them or...

I'd be real leery of that one. Shouldn't have even offered 4. Interior door panels mismatched and you said the box isn't original right? I'd bet the drivers door has been replaced as well. I'd agree on the pass....

I'm thinking about it too possibly... How long do I got before the order?

Uhmm well I'm kinda new to the whole turbo thing and diesels. I'm kindof unsure as to what I'll end up running. I know you run 16:1 from your sig but I'm thinking of staying around 19-20:1 possibly. What are your thoughts? Seems like a lot of people are running 18:1 but seen a few complaining...

I have no idea that's why I'm asking though. Sounds to me like it's worth it to look into at any rate at least just to be sure it can't be done. If it strengthens the bottom end and helps keep it from grenading and cracking the block it seems worthwhile anyhow. That and block filling and maybe...

Yea my thoughts exactly so that's why I was considering going up to the bottom of the water pump holes but that's leaves me with the pickle of being in MN with no block heater in the winter :( And 6.2 turbo how come you used Sackrete to fill your block? Just curious is all... And with how much...

So do you know which one has the main girdle/support from the factory then? Optimizer or the p400? I'd be kind of interested to see if that girdle they make can be fit into the other blocks. Military motors aren't all that hard to convert over as long as you have all the parts from the normal...

Based on what your saying if you had a 2'x1'x6"(for example but based on approximately one side of block) chunk of concrete you wouldn't touch it for 70 days? That's way way way extreme. I'm going to fill my block with hardblock both sides at least an inch of the waterjacket maybe more and it's...

Ok so now I'm in kind of a dilemma here now. I've got the chance to buy a long block for a good price and it would be a newer cast block. I'm kind of wanting to use block strengthener that's used in the newer hummer motors. I know this will require some fab work to the oil pan. In what...

Holy shit when we've filled blocks before it only takes a day or two a side. 70 days really hope your not serious... Lol

Nah I bought a 599 block core from a core supplier. Can't wait for it to get here so I can start this damn machine work and get the block filled...

So I just read this whole thing here pretty much... What ever happened to 635's truck then?

Also on back of the block on top by where the tranny bolts up. Should be an 8-9 digit number and the last three of those denote what we've been talking about here. And thanks guys for the help. I've got a 599 on order here so hopefully I'll see it next week

What about a 929 block? I've got a local guy here with one of those. Other than that don't know much about it

So 599 is the way to go?

Well I just talked to the guy I'm buying the block from and he said that all of the ones he has are from that vintage like 99-2000 area but none of them have the oil squirters. So would that be a good block then? What's the strongest blocks casting number then? Or should I go with something...