|
|
![]() |
#1 | |
VIP Member
Join Date: Feb 2003
Location: Mesa, Arizona
Posts: 3,048
Likes: 712
Liked 1,607 Times in 584 Posts
|
![]() Quote:
The cylinder is not for my use. I was asked by several engine builders and cylinder head shops to help them find an aluminum casting as a substitute for the "not available" NHRA SBC-approved cylinder head. I am actually a Ford guy and my new car is a Ford! Anyone expecting new NHRA-approved cylinder heads from Edelbrock, is just wasting their time. I submitted many brands of 23-degree SBC heads to NHRA and they were rejected for one reason or another, with no sound basis for the rejection, including a cylinder head from TFS with an as-cast runner of 175cc. Let's be clear, this is for Super Stock class racing, not Stock class. You are allowed welding, epoxy, CNC machining and more. The cylinder head I proposed to NHRA is a 23-degree cylinder head, available both for center and perimeter bolt valve covers. Profiler does not show the cylinder head in their catalog, however, it is available over the phone. The intake and exhaust ports are small, allowing them to be ported for many of the SBC engine variations with small ports and small valves. The chamber is already finished. This casting would be cost-effective for the racers since you can develop a port that will not require welding and/or epoxy. The casting is made in the USA from aerospace-grade aluminum and is thick everywhere; no more worries of leaking spring pads or cracks. Besides, in the event of a failure, it can be repaired. The Profiler castings are currently available also. Lots of them as a matter of fact. I have attached pictures of the cylinder head that was submitted and the brochure with the specifications of the cylinder head. Last edited by SSDiv6; 04-16-2023 at 12:04 PM. |
|
![]() |
![]() |
Liked |
![]() |
#2 |
Junior Member
Join Date: Oct 2011
Location: Hays, Kansas
Posts: 78
Likes: 18
Liked 70 Times in 23 Posts
|
![]()
This is the actual head. Description is wrong, price a little higher. But it's available mail order.
|
![]() |
![]() |
Liked |
![]() |
#3 |
Member
Join Date: Sep 2002
Location: Iowa
Posts: 121
Likes: 0
Liked 128 Times in 32 Posts
|
![]()
Chad, nice website and looks like a great race shop.
https://speierracingheads.com/index.html I look forward to seeing you out racing. Will the Cavalier be active this year? I don't think I have seen that car. |
![]() |
![]() |
Liked |
![]() |
#4 | |
Junior Member
Join Date: Oct 2011
Location: Hays, Kansas
Posts: 78
Likes: 18
Liked 70 Times in 23 Posts
|
![]() Quote:
|
|
![]() |
![]() |
Liked |
![]() |
#5 |
VIP Member
Join Date: Feb 2004
Location: LONG ISLAND N.Y.
Posts: 1,698
Likes: 3,443
Liked 1,863 Times in 435 Posts
|
![]()
235 cc. No go in Nhra
Good idea but your picking a good flowing head So as an engine builder you want good quality and an easier way out totally understand Try picking something closer to an original stock casting yoh may satan a chance If this line of cylinder head Chevy only? If so that’s Nhra thinking probably
__________________
james perrone 1290 STK |
![]() |
![]() |
![]() |
#6 | |
Junior Member
Join Date: Oct 2011
Location: Hays, Kansas
Posts: 78
Likes: 18
Liked 70 Times in 23 Posts
|
![]() Quote:
ProFiler would do anything we ask for any engine brand. They already have a really nice inline Ford that could be used as well. |
|
![]() |
![]() |
Liked |
![]() |
#7 |
Junior Member
Join Date: Aug 2004
Posts: 12
Likes: 2
Liked 2 Times in 2 Posts
|
![]()
If you want an after market head why not run a modified class or one of the three classes that start with super but don’t end with STOCK, ie street gas comp. Want a different engine try GT. Need a rule Change how about a different class or sanctioning body. I understand your one rule change will not kill the class but your one change and nine other guys one rule change will. If Bubski would stop using third person and writing cryptically he actually has the ability to see the forest for the trees. Maybe some effort to see what he is trying to convey before calling him and idiot would be good. If I had my way I would still be fighting a clutch assisted 3 speed. Maybe I was wrong to choose a class based on rules and not potential rule changes.
Mike Parmenter SS/P 6278 |
![]() |
![]() |
![]() |
#8 | |
Junior Member
Join Date: Mar 2010
Location: Michigan
Posts: 52
Likes: 40
Liked 23 Times in 7 Posts
|
![]() Quote:
The guide lists Edlebrock # 60917 as a replacement for big block Mopars in Stock. The thing I don't understand is how can this head be used as it comes with a 2.14 in. and a 1.81 ex machined in this head? No bb Mopar came with these valve sizes. A 426 Street wedge has a 2.08 in. and a 1.60 ex, and yet this head is listed in the guide as a replacement. How the #$%$ can you go that far backwards in the bowl without welding and grinding? I'm not a professional head porter, but I can imagine the new seat that would be required to accommodate the much smaller valves would have a huge shelf in the now way too big bowl. And, as Chad as mentioned, these heads don't appear to be available anyway. If Profiler could deliver usable castings that have the right chamber and port shapes and they pour the right volumes why wouldn't they be a good idea? Replacement aluminum heads are ALL READY LEGAL people, that horse is out of the barn and ain't coming back. Allowing these heads in would simply provide a head that's available and possibly bring more new builds in to the mix. Just my humble opinion, your mileage may vary.
__________________
Marc Lapoint |
|
![]() |
![]() |
Liked |
![]() |
Thread Tools | |
Display Modes | |
|
|