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Well filling the block is great provided it HAS NOT been machined already. IMO it is a very good idea to ad some stability to the bores. Some of these block can be really thin on the thrusts. The girdle, IMO is debatable. Don't think it will hurt much but not sure how much they help. I have run low decks with decent power and just done a couple of things. One is aluminum caps and rods. Next keep the bob weight as light as you can, how light well that depends on application. Lastly keep the thing from detonating and it will give you many years of happy service at 800+- hp..

Oh yeah let the flaming begin

Oh yeah an aftermarket block does not necessarily mean no cap walk...Been there done that, ask Greg I think he will concur.




I've been around Geckers low deck B1 builds for forever, and all he used was aluminum caps with studs..

Trust me, He abuses his stuff..

His last 521" made 900hp+ @ 7300, and was still climbing.

400 block filled, aluminum caps, aluminum rods..

As I said before, 4.390 x 4.310 = 521"..


Chris..