I just got a 400 block and am wanting as many cubes as possible. I know that they make stroker cranks that have a 4 inch stroke. Jegs has one that is forged for about $680. Also www.theengineshop.com has the whole rotating assembly for about $1900. If I use this crank and bore the stock block .030 over it comes out to be 433 cid. I have heard that you might have to use an aftermarket block for this to work. This is my winter project so I'm trying to get prepared.

 

I dont know, but I am considering something similar. I would personally call and ask a local speed shop. They will tell you more honestly than the people selling it. I will try to get an answer. There are a few shops around here. If I find out, I will let you know.

Just out of curiosity, what are your plans? You know, internals, bolt-ons, and hp/tq goals. Just looking for people to shoot ideas back and forth with.

 

With the right rods, it will go in a stock block (509). BTDT.

Don't go for the "cheapest", pick your parts carefuly; otherwise you'll just be building a big expensive grenade.

 

i THINK you can use it in a stock block if you fill the bottom half with jacket filler. i read about this in a magazine some time ago but i can't remember the outcome.

 

Did it... no block filler... no magazine articles.... relatively little grinding... use the right rods.

 

What rods did you use? Also, did you use a small base circle cam? I'd also like to know where you got your crank.

I called www.speedomotive.com today and the guy told me that I would have to grind into the water jackets. He did say that first I'd have to use block filler.

titeride85, my plans are to have enough cubic inches to get a streetable 500 hp on motor and over 625 hp on juice. I want to get into the 10's with this motor. Right now I'm thinking for the rest of the motor I'll use some good forged pistons and maybe some I-beam rods. As for heads I'm probably going with AFR 195's because this is a street motor I won't use the 210's. I want the most torque. I'm not sure of the cam yet but will probably be a solid roller. I want the compression to be about 11:1. I saw an article in a magazine that used a 383 and afr 190's and a solid roller and got over 500 streetable hp. I don't think that 500 hp will be hard to get with those extra cubes.

 

Eagle H-beam rods with cap screws instead of bolts & nuts. It was an off-the-shelf std base circle cam, a Comp XR282HR specifically.

 

It works, my brother built a 434 SB 4" .30 over. Brodix 12X heads made around 800 on the motor 13:1. Just have to clearance everything especially the cam small base crircle makes it easier. Concrete is more for strength, 800 is getting real close to doing bad things to the block... splayed caps a good idea also.

 

Can you use block fill on a street engine? I really don't want any cooling problems. On my 350 I sometimes drive over an hour away to a track and 3 hours to another track. I'd still like to be able to do this with the bigger engine.