I agree completely. I wish I had the car Pete does. I keep looking for one but I ma kinda of a full size guy and apparently these guys are not quite my size

I just want to stick up for my engine guy, he does a very good job making a lot of steam and I have a LOT of confidence in his ability.

Of course I am only a dragster guy....but after this week in Vegas wtih the temps hovering around 30* in the morning..... I'm thinking my car is dangerous enough. Sipping and sliding isn't fun and 2 guy crashed their dragsters.

Been running B-1's since 1992. Currently using MC's One thing Pete stated is wrong, the exhaust valve is moved over .050" to make room for the 2.400" intake. I also don't get the racing calculator #'s, my car is 2330 and ran 179.7 the Pro System calc. says 1069hp. I've had this motor on 2 different dynos (Tom Hempills(Stuska) and George Colmans (superflow)) and that # is about 100 better than I've seen on the pump.? Also the only external difference is the MC stamped on the end of the head.

Kurtis, thanks for the correction on the valve move, my bad. The point on the calculator was all the cars were used on the same one, just like engine dynos and flow benchs all are a little different. Hard to believe this post turned into a car, engine builder, flow numbers and excuses, when the poor guy just wanted some good info. Its the internet great.

having read through this whole thread, what part of the information was the BADinformation, aside from the fact that nobody ever addressed the first question from the OP.

Quote:

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starting from scratch is there much price diff

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any of the heads metioned here are capable of making 1000HP. guys with B1-O's have been doing that for a very long time. the MC heads certainly have an advantage with the larger intake valve. is it 40-50 cfm better or more than that? depends on the bench and who's doing the testing.
i doubt i'll ever see a PSO head. they're like flying turtles, not many around. because of that you have some pretty limited data to go by. they sound promising so far but i'm guessing they're a lot more money than the MC deal when it's all said and done. i'm sure someone will correct me if i'm wrong, right Pete.
Predator head and 1000HP, you could do that almost by accident.
what i do know is that none of those combo's are inexpensive to build and if a couple grand either way is anyones breaking point on the budget, either re-think the budget or consider playing a different game.

He stated in another thread that they will still be offering PSO's, give them a call.

Also, they are NOT more expensive than a fully ported M/C head from Koffel.....I have purchased both.

As I pointed out in an earlier post what info was WRONG, as you stated?

Pete you were the one who said it was wrong info, either posted by me or someone else. You then made accusations, and asked for info. I provided you the info and I provided the info i had on the heads I have used. I then shared the info I had on MY HEADS, which is accurate at least according to the professionals who have been involoved. So what exactly was wrong there?

Seems you have a bone to pick with me. Maybe I am reading way to much into this, but yet again it seems the last reply by you was aimed at me. Not sure why was just stating my opinion. I believe I provided accurate info to the original poster. He asked about making 1000hp. Told him I was 100 over that, ok maybe the dyno is happy but it is the info I have, and by your choosen calculator is pretty close. I stated I am at less cubes, which I am.

I posted flow numbers I have seen and received from the few originals I have owned and then stated by MC's are 50ish better which they are according to the info I have received from the flow bench testing done, by a couple professional engine builders. So what is inaccurate? You stated what you have seen I stated what I have seen. Have you had my heads on your bench? How many oval ported B1MC's have you tested on YOUR bench? How many of those were done by Mike Duke? So I am going to assume since you are the professional engine builder here and I am not that I am wrong, just because. Guess that means that the professional engine builders who have also had my parts in thier hands and provided me the info are also wrong.

I have NO EXCUSES. in fact what the heck would I have to have an excuse for? You made the apples to oranges comparison not me. I stand by what I posted, no excuses I put up the info. Just saying

...............oval ported B1MC's ....................


can this be done on the B1 originals


if so what would they flow

C'mon fellas cool down a little it's all for not.I can get ya an unflated dyno sb chevy that made 1240 here on long Island if you have 50 grand it's a chevy

I hear ya,I was trying to lighten the mood.
I actually lIke the info in this thread

nice catch mr p body!! its real easy to get caught up in the business of drag racing and the war stories,i read all the way down to your post before i realized the post was 2010.i too have b1 originals but still a good read....