Saw on Todd Goodwin’s Facebook page that he has finished up a 530 cubic inch with, B1 MO MC CNC ported heads, single 4 barrel carb that makes 1221 HP @ 8500 rpm. No other information was provided other than coming to a drag strip or truck pulling event near you. Video on his Facebook page. I tried to post the video with no success.

That is slinging a big block.

Big power...

Would it ever be possible to do a pump gas B1 build?

Sure would, just less compression, and a compatable cam. My guess is you would need to reduce duration slightly because of the lower compression. An all out, 93 octane build might lose ten percent versus a max compression build?

Thanks for sharing! Hopefully it'll run that well in the car, I read somewhere where he was doing a run of PSO heads.

The thing i see is, as long as most bb mopar heads are inline valve arrangement, there is a limit to ultimate power. A friend is working on a ford 458 inch, SC1 canted valve motor that should make 1100 hp in nitrous mode, could go as high as 1175 with a killer cam and NA prepped heads.

I've seen the gold Plymouth running his stuff go down the track several times. Very strong running car. I'm assuming that will be the test bed for this new engine. Can't wait to see what it runs. Todd builds some extremely nasty engines, and they run very hard.

I have little to no experience with the B1 heads, but I have heard the the PSO are an excellent cylinder heads for a big block Mopar. They are extremely rare from my understanding. I’m I have read on this forum that they are not even produced any more.

We all know that dyno horsepower and real world track horsepower is very different. So many obstacles and variations of set up etc etc.

I thought the build was an interesting one do to the fact it is only a 530 cubic inch engine.

From what I've read, all the B1's have really small combustion chambers, do some builders ever open up the chambers? The B1 pistons that are stocked all seem to be for like 13-14:1 ratio, which is probably a good ratio for drag builds on race gas. I would go down the B1 road if I could end up
in the 10-11:1 range on a 528 bottom end.

B1 pump gas engines have been around for a long time. Read this thread: https://board.moparts.org/ubbthread...-motors-900-hp-pump-gas-crate-motor.html

A few shops have done port programs for the Pro Stock Option B1 head now. I believe that Brodix still supply the castings, much in the same way they do regular B1 castings.

Koffel claims the heads flow best with the chamber at 50cc. They start out around 72. I'm thinking the 50cc idea is old school thinking and all depends on how you relieve the chamber.

Kinda surprised. That's not a whole lot more power than the Indy -1 headed nitrous "street" motor he built for a guy that's been all over facebook. It's in a Duster that's supposedly going to do DragWeek, but hasn't been to the track yet.
Goodwin builds some real nice stuff, but I have some doubts about that one.

After having the best porting, 2.3/1.78 valves installed in my 440-1 heads a rather high dollar build at 550 cubes made 926 hp. So this "street/nitrous" build rhat is supposed to make a lot more power doesn't sound legit to me. I suspect it is hype from the car owner, not Goodwin.

Plenty of talk, pictures, and advise to others on FB. But no track time. It 'll eventually come out in the wash, or not.
Doug

WHY would you say a B1 cant make more than 1100 in nitrous configuration??

Gregsdart and DVW...I completely agree. The motor I'm referring to made a little over 1100 hp IIRC. Like I said, it's a nitrous motor meant for Drag Week w/ a single dominator on a cast Indy manifold. So that makes it even more questionable.
He claims Goodwin knows more about the -1 head than anyone. Apparently so considering it's 150-200 hp higher than anyone else has been able to make.
Not sure on the guy's name...maybe John Ciseki? It's a white Duster, pretty sure it's a '73.

I never claimed a limit anywhere about B1 heads. Only that the inline configuration just has a limitation a canted valve head doesn't, which i think is well understood by most head guros. That is why the Predator heads came out.
My statement simply points to a highly developed canted valve head that can make lots of power with a lot less cubes.

Regarding "pump gas" B1, dynoed my 572cid B1 with 10.2:1 comp 285/294dur .750"lift camshaft last summer made 870hp on pumpgas

That would be a fun ride!

I called a dyno shop in the Medord,OR area to schedule some engine testing and tuning, one SB Ford Windsor pump gas 387 C.I. street motor with EFI for a good customer and my 572 C.I. KB street wedge bock 4.5x4.5 with a set of B1 heads with 15.02 to 1 comp. ratio for E85 fuel and a sheet metal tunnel ram using a pair of Mark Sullens E85 Dominators.
It will be a couple of weeks before my motors can go on that dyno due to other customers already schedule in front of me
I'm hoping to make close to 400 HP on the Ford Motor and close to or over 1000 HP on the B1 motor on E85
i bought a bunch used B1 parts years ago and I'm hoping they work well together