SBC SS/CS modified cylinder head availability?

chopperloco · 04-18-2025, 11:35 PM

I am aware of what heads are legal.
The 292 Turbo and Bow Tie Vortec are getting hard to find in good useable condition.
I have been keeping my eyes peeled for the allowable Darts but these seem rather rare too!
Has there been any talk of NHRA making another exception?
Or is it just me?
Thanks
Dom

SSDiv6 · 04-20-2025, 07:34 PM

Quote:

Originally Posted by chopperloco

I am aware of what heads are legal.
The 292 Turbo and Bow Tie Vortec are getting hard to find in good useable condition.
I have been keeping my eyes peeled for the allowable Darts but these seem rather rare too!
Has there been any talk of NHRA making another exception?
Or is it just me?
Thanks
Dom

The NHRA-approved Dart cylinder heads were discontinued in early 2023.

You will have to approach NHRA and submit a different cylinder head for approval.
I would suggest:

World Products 011150 Sportsman II
World Products 011250 Sportsman II
World Products 014150 Motown
World Products 014250 Motown
World Products 014150-50 Motown

Dennis Paz · 04-21-2025, 12:05 AM

Dom
I have a pair of unmolested bowtie vortecs I'm willing to part with.
.

chopperloco · 04-22-2025, 07:59 AM

Quote:

Originally Posted by Dennis Paz

Dom
I have a pair of unmolested bowtie vortecs I'm willing to part with.
.

PM me price and details plz Dennis

chopperloco · 04-22-2025, 08:03 AM

Quote:

Originally Posted by SSDiv6

The NHRA-approved Dart cylinder heads were discontinued in early 2023.

You will have to approach NHRA and submit a different cylinder head for approval.
I would suggest:

World Products 011150 Sportsman II
World Products 011250 Sportsman II
World Products 014150 Motown
World Products 014250 Motown
World Products 014150-50 Motown

Okay Thanks
Anyone else in on this?
Dom

Ralph A Powell · 04-22-2025, 08:00 PM

Get ahold of Michael Manns

chopperloco · 04-24-2025, 12:18 PM

Quote:

Originally Posted by Ralph A Powell

Get ahold of Michael Manns

Who is that?
Dom

J.R. Haddad · 04-24-2025, 03:38 PM

Who is that? The smartest guy you will ever meet on SS/AS, SS/BS and
SS/CS classes. If you are building a SS/CS car, and Mike gives you any
help or direction, follow it to the letter of the law. He will never steer you
wrong. Get ahold of him c/o FAST SHOCKS.

J.R.

04-18-2025, 11:35 PM	#1
chopperloco Member Join Date: Feb 2011 Location: Ottawa,Ont.,CANADA Posts: 159 Likes: 144 Liked 78 Times in 21 Posts	SBC SS/CS modified cylinder head availability? I am aware of what heads are legal. The 292 Turbo and Bow Tie Vortec are getting hard to find in good useable condition. I have been keeping my eyes peeled for the allowable Darts but these seem rather rare too! Has there been any talk of NHRA making another exception? Or is it just me? Thanks Dom

04-21-2025, 12:05 AM	#3
Dennis Paz Junior Member Join Date: Apr 2005 Location: stockton ca Posts: 97 Likes: 0 Liked 5 Times in 3 Posts	Re: SBC SS/CS modified cylinder head availability? Dom I have a pair of unmolested bowtie vortecs I'm willing to part with. .

04-22-2025, 08:00 PM	#6
Ralph A Powell Member Join Date: Oct 2017 Location: Bay City Texas Posts: 385 Likes: 2 Liked 225 Times in 136 Posts	Re: SBC SS/CS modified cylinder head availability? Get ahold of Michael Manns

04-24-2025, 03:38 PM	#8
J.R. Haddad Senior Member Join Date: Jun 2012 Posts: 774 Likes: 899 Liked 1,430 Times in 302 Posts	Re: SBC SS/CS modified cylinder head availability? Who is that? The smartest guy you will ever meet on SS/AS, SS/BS and SS/CS classes. If you are building a SS/CS car, and Mike gives you any help or direction, follow it to the letter of the law. He will never steer you wrong. Get ahold of him c/o FAST SHOCKS. J.R.