What's the best small block heads/motor for boost?
#1556387
12/30/13 10:46 PM
12/30/13 10:46 PM
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Joined: May 2008
Posts: 984 San Diego CA
65 Hemi
OP
super stock
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OP
super stock
Joined: May 2008
Posts: 984
San Diego CA
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I have a 64 Dodge that I want to start 275 racing. Currently a 583 B1mc motor but the rules are SB only for boost. What is the best heads and block to use for a boost combo? What parts are most available on the market. I have never built a SBM. I have always had BBM. I am looking to see if it makes sense to switch.
Doug
MOPAR or NO CAR!!! 1965 Dodge Coronet soon a 6.1 Hemi with a Magnson blower 810 hp on pump gas 1964 Dodge Polara 582" Indy alum Block 426-1RA heads, 1933 Plymouth PE all Steel, LT1 4L60E 1959 Plymouth Savoy 33,000 mile survivor Old cars are never done. They are ongoing projects!
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Re: What's the best small block heads/motor for boost?
[Re: 65 Hemi]
#1556388
12/30/13 11:01 PM
12/30/13 11:01 PM
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Joined: Jun 2003
Posts: 52,972 Romeo MI
MR_P_BODY
Master
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Master
Joined: Jun 2003
Posts: 52,972
Romeo MI
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I would say R3 block 48* siamese cyl with a W-8 head.. the W-9 would be the next head only because the W-8 is so much beefier... the W-9 has a great flowing exhaust port for a turbo... both heads and the R3 block have the extra head bolts for better clamping force EDIT I'm selling my car and engine now but if it goes as a roller I'll be selling the engine on its own.. its a R3 block 48* siamese with a billet crank 3.79", fully ported W-9 heads and TD rockers, all good stuff.. PM me if interested (its in the for sale section)
Last edited by MR_P_BODY; 12/30/13 11:20 PM.
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Re: What's the best small block heads/motor for boost?
[Re: dizuster]
#1556391
12/30/13 11:36 PM
12/30/13 11:36 PM
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Joined: Jun 2005
Posts: 2,776 Ontario Canada
MattW
master
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master
Joined: Jun 2005
Posts: 2,776
Ontario Canada
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Quote:
I'd say Gen 3 hemi is actually the best flowing head for small Cid right now. Ported 6.4l head will go over 400cfm for sure.
How much power? Stock 5.7 block is good for at least 1200hp.
I agree but your going to lift the heads with too much boost. Now I don't know if this is due to the material the head is made of, amount of bolt retaining the head, quality of fasteners or all the above. But THITEK has a G3 head that is physically beefier.
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Re: What's the best small block heads/motor for boost?
[Re: 65 Hemi]
#1556395
12/31/13 12:00 AM
12/31/13 12:00 AM
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Joined: Jun 2010
Posts: 3,112 LONG ISLAND
fishy340
master
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master
Joined: Jun 2010
Posts: 3,112
LONG ISLAND
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4.50's 3200lbs= 1900hp and an outstanding suspension.I know this to be true my good friend did that last yr in x275.BB nos car
I think a 400ci Pro charged BES piece would get you 1500 or so.I'd be lying if i knew who could build a sb mopar that stout.
Last edited by fishy340; 12/31/13 12:03 AM.
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Re: What's the best small block heads/motor for boost?
[Re: 65 Hemi]
#1556398
12/31/13 12:37 AM
12/31/13 12:37 AM
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Joined: May 2007
Posts: 636 Central,Ohio
FASTFISH420
mopar
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mopar
Joined: May 2007
Posts: 636
Central,Ohio
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I was going to convert mine to F2 pro charged on alcohol Uratchko and Steve Morris said it would make 1750 horsepower.. that is at 416 cubes with 10 degree pro stock head
1969 Barracuda 8 second all/motor small block
2014 Shelby GT500 Mustang
Uratchko Racing Engines
www.URE-RACING.com
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Re: What's the best small block heads/motor for boost?
[Re: W5DART66]
#1556406
12/31/13 02:05 AM
12/31/13 02:05 AM
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Joined: May 2008
Posts: 984 San Diego CA
65 Hemi
OP
super stock
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OP
super stock
Joined: May 2008
Posts: 984
San Diego CA
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What do you think this motor will do set up for boost. New piston and cam with a Procharger or turbo? http://www.racingjunk.com/Drag-Racing/182074121/440-all-aluminum-w8-small-block-mopar.html
Doug
MOPAR or NO CAR!!! 1965 Dodge Coronet soon a 6.1 Hemi with a Magnson blower 810 hp on pump gas 1964 Dodge Polara 582" Indy alum Block 426-1RA heads, 1933 Plymouth PE all Steel, LT1 4L60E 1959 Plymouth Savoy 33,000 mile survivor Old cars are never done. They are ongoing projects!
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