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What are you using for new Magnum heads these days? #2986173
11/17/21 06:49 PM
11/17/21 06:49 PM
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dogdays Offline OP
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dogdays  Offline OP
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Hello,
I've been out of commission for a few years and am thinking about swapping my home ported 302 heads for Mag heads when I redo my 318. Back in the day, the EngineQuest heads were the cat's whiskers, but I've heard (those dangerous words) that the "new" EQ heads are not performance heads any more. So, what are people using for new Mag head builds?

How about it? Where do I go?

R.

Re: What are you using for new Magnum heads these days? [Re: dogdays] #2986192
11/17/21 07:34 PM
11/17/21 07:34 PM
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nowhere
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Sniper Offline
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EQ makes two Magnum heads. Standard (318A) and performance (318B).

Flow numbers

https://enginequest.com/enginequest/cylinder-heads/flow-numbers/

The heads themselves, bare.

https://www.ebay.com/itm/143965139173?hash=item2184fdb0e5:g:tA0AAOSw33tfBJF4

Re: What are you using for new Magnum heads these days? [Re: Sniper] #2986263
11/17/21 11:15 PM
11/17/21 11:15 PM
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Atlanta, GA
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mgoblue9798 Offline
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Atlanta, GA
I wonder if any of the usual suspects have checked out the "performance" version and verified flow.

Re: What are you using for new Magnum heads these days? [Re: dogdays] #2986266
11/17/21 11:18 PM
11/17/21 11:18 PM
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Atlanta, GA
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mgoblue9798 Offline
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Atlanta, GA
People are scrounging for parts right now as you know. Several posts in wanted sections of various boards looking for some used old EQ or RHS castings. I think the guys that were selling the cast iron stuff are now selling prepped sidewinder aluminum castings. As with anything it is more about who builds them in terms of quality.

Last edited by mgoblue9798; 11/17/21 11:19 PM.
Re: What are you using for new Magnum heads these days? [Re: Sniper] #2986552
11/18/21 07:52 PM
11/18/21 07:52 PM
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Posts: 11,658
Kalispell Mt.
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HotRodDave Offline
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Originally Posted by Sniper
EQ makes two Magnum heads. Standard (318A) and performance (318B).

Flow numbers

https://enginequest.com/enginequest/cylinder-heads/flow-numbers/

The heads themselves, bare.

https://www.ebay.com/itm/143965139173?hash=item2184fdb0e5:g:tA0AAOSw33tfBJF4



That is a chinese piece of crap, they no longer make the good ones. The quick easy surefire way to tell the difference is the flat end of the head on the good ones VS these look more like a stock one but they do not flow worth a crap and the casting quality is rougher than a stock one. Pay a local machine shop to do a valve job on your old ones, you'll be better off (ignore the cracks they don't affect anything).


I am not causing global warming, I am just trying to hold off a impending Ice Age!



Re: What are you using for new Magnum heads these days? [Re: HotRodDave] #2987172
11/20/21 01:05 PM
11/20/21 01:05 PM
Joined: Jan 2021
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rust belt
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Moparite Offline
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You can get heads from Indy for the magnum, Either la or magnum intake style.
http://www.indyheads.com/images/maxlaxnewproductlinK.pdf

Re: What are you using for new Magnum heads these days? [Re: Moparite] #2987336
11/20/21 11:22 PM
11/20/21 11:22 PM
Joined: Jan 2003
Posts: 2,085
central texas
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krautrock Offline
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central texas
Originally Posted by Moparite
You can get heads from Indy for the magnum, Either la or magnum intake style.
http://www.indyheads.com/images/maxlaxnewproductlinK.pdf


there are no castings available for those heads. if we get lucky, they might have more around the middle of 2022.







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