If Edelbrock makes it so it uses all the stock bolt-on parts and costs $500 they will sell a few dozen. I'm sure they are thrilled at the prospect of that.
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| Aftermarket Aluminum Cylinder Head? https://slantsix.org/forum/viewtopic.php?t=45109 |
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| Author: | Tim Keith [ Wed Jul 22, 2015 9:59 pm ] |
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I'd buy an Edelbrock head, or two or three - but I think I must be dreaming again. |
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| Author: | slantzilla [ Wed Jul 22, 2015 10:09 pm ] |
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If Edelbrock makes it so it uses all the stock bolt-on parts and costs $500 they will sell a few dozen. I'm sure they are thrilled at the prospect of that.
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| Author: | DaveJr [ Thu Jul 23, 2015 4:14 am ] |
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It's OK to dream Tim. Hey guys this is Edelbrock we're talking about here. Not only will they make a head but in addition they're gonna have all the bells and whistles to go along with it. An intake will probably be offered for those who choose to stay carbureted and a pro flo 2 for those mpfi people. Why not... I bet there would be way more than a few dozen sales. I'm gonna say thousands of slants would be upgraded. |
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| Author: | sandy in BC [ Thu Jul 23, 2015 6:32 am ] |
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Im gonna say it never happens.....not by Edelbrock anyway. |
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| Author: | DaveJr [ Thu Jul 23, 2015 10:09 am ] |
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If everyone thinks that way nothing will. Edelbrock is in the business of selling aftermarket parts to make money, not because they feel like it. Consumer demand drives the market. Call Edelbrock today and inquire! |
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| Author: | Reed [ Thu Jul 23, 2015 10:38 am ] |
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Aside from weight savings, what would be the advantage to an aluminum aftermarket head? I will hazard a guess that (1) the demand isn't there and (2) even if Edelbrock was willing to produce a head for the limited number of people who would buy it it would cost most than the cost of having a stock head "improved." You can't get all fancy with DOHC or even OHC without major modifications elsewhere to he engine. You could put in larger valves, but you can machine a stock cast iron head to do that, too. You could raise baseline compression by shrinking the chambers, but, again, this can be done on a stock cylinder head. I just don't see how the cost to benefit ratio makes an aluminum head worthwhile for either he consumer or the manufacturer. |
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| Author: | SlantSixDan [ Thu Jul 23, 2015 10:42 am ] |
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Those who don't know history are doomed to repeat it. Again and again and again and again and again and again and again and again and again and again and again, as it seems. |
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| Author: | ProCycle [ Thu Jul 23, 2015 11:49 am ] |
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Quote: Aside from weight savings, what would be the advantage to an aluminum aftermarket head? If it was just a copy of a stock head that would be pointless. The advantage would be in making something with better port shapes and a better combustion chamber shape. Something with a generous quench area. It would almost certainly require a dedicated intake manifold to create significantly improved (straighter!) intake ports.
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| Author: | Reed [ Thu Jul 23, 2015 1:52 pm ] |
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I guess until the Edelbrock aL head hits the market I will have to be happy with the Supra head. 
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| Author: | slantzilla [ Thu Jul 23, 2015 3:46 pm ] |
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Quote: It's OK to dream Tim. Hey guys this is Edelbrock we're talking about here. Not only will they make a head but in addition they're gonna have all the bells and whistles to go along with it. An intake will probably be offered for those who choose to stay carbureted and a pro flo 2 for those mpfi people. Why not... I bet there would be way more than a few dozen sales. I'm gonna say thousands of slants would be upgraded.
You're a fooking idiot. There are not "thousands" of people on the planet who want to dump thousands of dollars on a high zoot head only to still be saddled with a block with tiny bores.We've already been down this road at least twice a year for the last 15 years at least. There have already been at least 2 genuine attempts at doing an alloy head and neither could generate even 20 people to pony up start-up money to get even one head cast. We have a member who is supposedly going to bring one out sometime. Do a little digging and go offer your help to him. |
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| Author: | emsvitil [ Thu Jul 23, 2015 4:23 pm ] |
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| Author: | DaveJr [ Thu Jul 23, 2015 5:18 pm ] |
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Improvements across the board... Intake & exhaust runners, combustion chambers, valve angle, oiling, flow benched proven design... matched intake, pro flo 2 mpfi (Bells & Whistles)... And yes BIG weight savings improves acceleration, deceleration when braking, G's in the turns given the already low center of gravity= Bad Ass Track Days!! |
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| Author: | DaveJr [ Thu Jul 23, 2015 5:23 pm ] |
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Thousands... Please call Edelbrock today! Customer Service (310) 781-2222 |
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| Author: | Tim Keith [ Thu Jul 23, 2015 5:33 pm ] |
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Edelbrock will produce more nostalgia hot rod parts because of the uncertainty of future hobby modifications for increasing complex late model motors. The costs to design and CARB certify heads for late model V8s - already refined for performance - will become much greater. Many DIY jobbers that yanked OEM Ford or Chevy small block heads in the past will not want to tear into the complex late model motors. With DI on the way for American V8s, some specialty aftermarket companies will hedge their bets by looking to the past. First look for heads for the Buick nail head, Ford Y block and Ford 300, as well as the Chevy inline six. A few years ago Edelbrock modernized their foundry to support long inline six casting which previously were out of scope for the equipment. Their new foundry equipment is more automated than before. Let's see how the Edelbrock Jeep 4.0 heads sell. Edelbrock claimed that the costs to engineer a cylinder head is about $50,000, plus new tooling costs. I wouldn't be pessimistic about the long term for the slant six, but look for other nostalgia motors to receive attention before that happens. I hardly ever see a Chevy 348/409 motor but Edelbrock now makes heads for them. Give the 225 a decade or so to catch up with the other Eisenhower era motors. |
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| Author: | DaveJr [ Thu Jul 23, 2015 6:11 pm ] |
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Great post Tim! Much knowledge there with a pragmatic perspective. Thank You kind sir. |
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