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Mike Mans · 11-13-2023, 04:49 PM

The hardest part it seems right now is the shortage of castings. We ran the Bowtie Vortec castings for all of the years and they were so prone to cracking that it was a big issue. The later Dart iron heads that were approved were MUCH more reliable, but are no longer available from what I've heard.

If you wanted to start from scratch and can get some Bowtie Vortec heads, Gary Hettler did fantastic work for us.

11-13-2023, 04:49 PM	#7
Mike Mans Member Join Date: Jan 2006 Posts: 177 Likes: 21 Liked 299 Times in 48 Posts	Re: SS/CS Chevrolet Cylinder Heads... The hardest part it seems right now is the shortage of castings. We ran the Bowtie Vortec castings for all of the years and they were so prone to cracking that it was a big issue. The later Dart iron heads that were approved were MUCH more reliable, but are no longer available from what I've heard. If you wanted to start from scratch and can get some Bowtie Vortec heads, Gary Hettler did fantastic work for us.