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My list would be Predator....B-1 TS....B-1 PSO.......B1-MC.......B-1.......600-13......572-13......440-1 and then anything else. Might be some debate on the original B-1 vs the 600-13. Also a stretch to call a 440-1 a "race" head as it is common on street cars. I myself would pretty much consider anything less than a 440-1 a street head or street/strip head at best. Just depends on your performance goals and intended use. Just because you have an Edelbrock head on your "race" car, doesn't mean it was designed to be a "race" head.

Likely the LEAST user friendly head of the group is the B-1 TS, as there just are not commonly available parts to make it work correctly. Needs a custom intake and really needs the lifters moved in the block to be optomized

Monte






What about the B1 T/S 4.84 heads.. I remember you saying you have a set stashed away, and since the Predators are only 4.80 I would think that puts the B1 T/S on top..



Chris..

I do have a set of 4.840 TS heads with the "Wayne County" head bolt pattern. They are currently at Buck Racing Engines getting some work done on them. They SHOULD be better than a Predator because of bore size alone, but I really didn't include them because of rarity and most don't even know they exist.

Monte



I agree mostly with this list. I'm not sure I would put either of the 4.8 or 4.840 b1-TS heads above the Predators. If anything I would put them on par. Since the TS stuff needs a lot of extra work to get them to be reliable and work well.

When we were working with the 4.840 b1-Ts stuff we pondered about going to the Predator stuff but when it came down to it neither were going to push the power much past 1300hp.

We had worked with 3 sets of 4.840 TS heads and the flow numbers some "think" they make may not be the reality.

Monte.... What size valve were you able to get in your TS heads?

I would't put the 600-13 heads anywhere near the Preds , Ts, Pso heads. Just cause they are on a larger Bore space does not equal performance.

The reason we had to just quit with the B1-TS or Pred stuff was their limited nature. Our first 5" Hemi 99 engine put all our TS stuff to shame and now our new Billet 5" Goodwin engine put that Hemi to shame.