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B1 Orignals Vs B1 MC's #861054
11/22/10 11:59 PM
11/22/10 11:59 PM
Joined: Nov 2003
Posts: 6,293
Rock Springs
Bob_Coomer Offline OP
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starting from scratch is there much price diff, Obviously the Titanium intake valves on the MC's but this is negligible IMO.
All out I here a 572-600 cid wedge will make 75-100 hp more with the MC's. Should be a easy 1000 HP deal with cnc ported heads, and 14:1+ compression.


[color:"red"]65 Hemi Belvedere coming soon [/color]
[color:"#00FF00"]557" Indy engine 1.07 60ft 144mph in the 8th 2100 lbs package [/color]
Re: B1 Orignals Vs B1 MC's [Re: Bob_Coomer] #861055
11/23/10 12:03 AM
11/23/10 12:03 AM
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Delray beach, Florida
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Performance Only Offline
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either engine with good porting will make 1000+ HP. but to answer your question, yes, the MC does have an advantage. i don't know if i'd call the cost of the Ti valves negligble or not. i guess it depends on your wallet.


machine shop owner and engine builder
Re: B1 Orignals Vs B1 MC's [Re: Bob_Coomer] #861056
11/23/10 12:07 AM
11/23/10 12:07 AM
Joined: Jan 2003
Posts: 5,486
SoCal
Brian Hafliger Offline
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Quote:

starting from scratch is there much price diff, Obviously the Titanium intake valves on the MC's but this is negligible IMO.
All out I here a 572-600 cid wedge will make 75-100 hp more with the MC's. Should be a easy 1000 HP deal with cnc ported heads, and 14:1+ compression.




I would guess the difference could be as much as 100HP but I would only say that if this was a strong effort engine with alot of valve lift and rpm.
The MC stuff I've done is very limited so I don't have a good comparison for you since I've not done any MC stuff on my dyno but I can tell you I personally would use the MC for what your going to do.
Brian


Brian Hafliger
Re: B1 Orignals Vs B1 MC's [Re: Bob_Coomer] #861057
11/23/10 12:14 AM
11/23/10 12:14 AM
Joined: Feb 2004
Posts: 1,093
Long Beach, CA
Mike Swann Offline
super stock
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If you going to rev it up, at a minumum the intake has to be ti. Its a big valve, 42gr less than SS.


8.30's @3400 lbs
Re: B1 Orignals Vs B1 MC's [Re: Mike Swann] #861058
11/23/10 12:24 AM
11/23/10 12:24 AM
Joined: Feb 2006
Posts: 698
Alberta Canada
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Edge Offline
mopar
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Alberta Canada
Not a great deal of difference between the MC and the original. In the end they are the same casting with some modification to accomodate the larger intake valve. Some petty good power can be made with the originals. If your goals are well above the potential of the originals I would look at PSO's or predators if you are starting from scratch. IMHO.


76 Duster work in progress
Re: B1 Orignals Vs B1 MC's *DELETED* [Re: Bob_Coomer] #861059
11/23/10 12:40 AM
11/23/10 12:40 AM
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Posts: 9,873
MI, usa
dvw Offline
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Re: B1 Orignals Vs B1 MC's [Re: dvw] #861060
11/23/10 02:16 AM
11/23/10 02:16 AM
Joined: Jan 2003
Posts: 19,382
Las Vegas
Al_Alguire Offline
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Las Vegas
The MC is capable of moving more air, so stands to reason will make more power.


"I am not ashamed to confess I am ignorant of what I do not know."

"It's never wrong to do the right thing"
Re: B1 Orignals Vs B1 MC's [Re: Al_Alguire] #861061
11/23/10 02:45 AM
11/23/10 02:45 AM
Joined: Nov 2010
Posts: 1,397
Carson City, Nevada
Biginchmopar Offline
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Carson City, Nevada
MC heads move more air 470cfm and the Orignal B1 at best 420cfm. If it were me the motor being over 550cid MC head. The PSO and Predator will be about the same amount of money that being said Predator all the way.

Re: B1 Orignals Vs B1 MC's [Re: Biginchmopar] #861062
11/23/10 02:49 AM
11/23/10 02:49 AM
Joined: Nov 2003
Posts: 6,293
Rock Springs
Bob_Coomer Offline OP
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Rock Springs
Quote:

MC heads move more air 470cfm and the Orignal B1 at best 420cfm. If it were me the motor being over 550cid MC head. The PSO and Predator will be about the same amount of money that being said Predator all the way.



MC move that much air?
I knew they were good but figured 440-450 cfm tops.


[color:"red"]65 Hemi Belvedere coming soon [/color]
[color:"#00FF00"]557" Indy engine 1.07 60ft 144mph in the 8th 2100 lbs package [/color]
Re: B1 Orignals Vs B1 MC's [Re: Al_Alguire] #861063
11/23/10 02:52 AM
11/23/10 02:52 AM
Joined: Jul 2009
Posts: 494
IL
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EchoSixMike Offline
mopar
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IL
There's a guy in the swap meet trying to sell some TS's, if it's max effort, that or Predators would be the path. S/F....Ken M

Re: B1 Orignals Vs B1 MC's [Re: Bob_Coomer] #861064
11/23/10 02:59 AM
11/23/10 02:59 AM
Joined: Nov 2010
Posts: 1,397
Carson City, Nevada
Biginchmopar Offline
pro stock
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Carson City, Nevada
Quote:

Quote:

MC heads move more air 470cfm and the Orignal B1 at best 420cfm. If it were me the motor being over 550cid MC head. The PSO and Predator will be about the same amount of money that being said Predator all the way.



MC move that much air?
I knew they were good but figured 440-450 cfm tops.




I know of a couple of people that have a CNC progam that get those kind of numbers.

Muscle Motors
Tom Hemphill


Re: B1 Orignals Vs B1 MC's [Re: Biginchmopar] #861065
11/23/10 03:14 AM
11/23/10 03:14 AM
Joined: Jan 2003
Posts: 19,382
Las Vegas
Al_Alguire Offline
I Live Here
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Las Vegas
Depends on the goal. 1000HP MC motor is not gonna be a real difficult goal to achieve especially with those cubes. I am 100 over that with a lot less cubes and MC's.

BTW there are other folks who can get close to those numbers listed for MC's. I had a very good set on originals that were 415-420 depending on whos bench they were on. My MC's are 50ish CFM more, at least the two times they have been flowed. So IMO they CAN be worth 100hp depending on the combo.


"I am not ashamed to confess I am ignorant of what I do not know."

"It's never wrong to do the right thing"
Re: B1 Orignals Vs B1 MC's [Re: EchoSixMike] #861066
11/23/10 05:04 PM
11/23/10 05:04 PM
Joined: Sep 2008
Posts: 2,840
Flint, Michigan
B1Fish540 Offline
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Quote:

There's a guy in the swap meet trying to sell some TS's, if it's max effort, that or Predators would be the path. S/F....Ken M




yes, and imho, thats a smokin deal on those. The Pred flows about 540 and iirc, the TS is in the same territory. So, in other words, they out flow the next best B1(PSO)head by about 70 cfm..thats over 140 HP.

Re: B1 Orignals Vs B1 MC's [Re: B1Fish540] #861067
11/23/10 09:44 PM
11/23/10 09:44 PM
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Bend,OR USA
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Cab_Burge Offline
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Any one on here know how to tell the differences by looking at the original B1 head from the B1 MC? I'm not sure which ones I bought from Koffels several yaers agao I have tthe invoice and flow sheets, maybe I should look at them first still would like to know how to tell by looking


Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
Re: B1 Orignals Vs B1 MC's [Re: Biginchmopar] #861068
11/24/10 04:17 PM
11/24/10 04:17 PM
Joined: Nov 2003
Posts: 399
SouthEast Michigan
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PETE@BESTMACHINE Offline
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It is posts like this that are full of wrong information. Have any of the people on this post even seen any of the B-1 Heads?. The B-1 head, orginal or M/C are the same casting, brodix moves the intake valve over for the 2.40 valve and that is it. The PSO head casting comes raw and has to have, guides, seats and a port put in it. The air flow is appox 35 cfm better on the M/C over the orginal And the PSO we did is appox 45 CFM better than the best M/C head we tested. In real world testing that we have done, we have seen about 40-50 Hp Better with the M/C head. It is hard to build one engine and just swap heads to see the gain. How much power and how fast are the cars of the people with all the answers on this post. This is how people that want to learn something on this site get wrong information and make the wrong choice in engine combos.

Re: B1 Orignals Vs B1 MC's [Re: PETE@BESTMACHINE] #861069
11/24/10 04:29 PM
11/24/10 04:29 PM
Joined: Sep 2008
Posts: 2,840
Flint, Michigan
B1Fish540 Offline
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Quote:

It is posts like this that are full of wrong information. Have any of the people on this post even seen any of the B-1 Heads?. The B-1 head, orginal or M/C are the same casting, brodix moves the intake valve over for the 2.40 valve and that is it. The PSO head casting comes raw and has to have, guides, seats and a port put in it. The air flow is appox 35 cfm better on the M/C over the orginal And the PSO we did is appox 45 CFM better than the best M/C head we tested. In real world testing that we have done, we have seen about 40-50 Hp Better with the M/C head. It is hard to build one engine and just swap heads to see the gain. How much power and how fast are the cars of the people with all the answers on this post. This is how people that want to learn something on this site get wrong information and make the wrong choice in engine combos.




Thats why we need you, Pete! BTW, have you wroked with the TS head much? And if so hwo do you like them?

Re: B1 Orignals Vs B1 MC's [Re: Cab_Burge] #861070
11/24/10 06:14 PM
11/24/10 06:14 PM
Joined: Oct 2009
Posts: 1,288
Oregon
sg66mopar Offline
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Oregon
Cab, my MCs have MC stamped into the end of the head. Like Pete said, the intake valve is moved over so you can measure the valve guide spacing on your heads to tell which ones you have.

Re: B1 Orignals Vs B1 MC's [Re: PETE@BESTMACHINE] #861071
11/24/10 08:05 PM
11/24/10 08:05 PM

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Quote:

It is posts like this that are full of wrong information. Have any of the people on this post even seen any of the B-1 Heads?. The B-1 head, orginal or M/C are the same casting, brodix moves the intake valve over for the 2.40 valve and that is it. The PSO head casting comes raw and has to have, guides, seats and a port put in it. The air flow is appox 35 cfm better on the M/C over the orginal And the PSO we did is appox 45 CFM better than the best M/C head we tested. In real world testing that we have done, we have seen about 40-50 Hp Better with the M/C head. It is hard to build one engine and just swap heads to see the gain. How much power and how fast are the cars of the people with all the answers on this post. This is how people that want to learn something on this site get wrong information and make the wrong choice in engine combos.





very well put Pete.

Re: B1 Orignals Vs B1 MC's #861072
11/24/10 08:30 PM
11/24/10 08:30 PM
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Fredericksburg Va
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plycuda Offline
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Fredericksburg Va
I don't know how much power the the 588 B-1 originals we built for my friends barracuda, but it weights 2700 and he's still tunning but it's been 8.11 at 164, with a single 4

Last edited by plycuda; 11/24/10 08:31 PM.
Re: B1 Orignals Vs B1 MC's [Re: sg66mopar] #861073
11/25/10 12:23 AM
11/25/10 12:23 AM
Joined: Aug 2003
Posts: 43,293
Bend,OR USA
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Cab_Burge Offline
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Bend,OR USA
Quote:

Cab, my MCs have MC stamped into the end of the head. Like Pete said, the intake valve is moved over so you can measure the valve guide spacing on your heads to tell which ones you have.


Thanks for the help I'll give them a hard look


Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
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