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Discussion Starter · #1 ·
I have a '72 stock 302 in a '65 Mustang. It's been running great. I've added a Stealth intake and Edelbrock 600 cfm carb, dual exhaust with hipo manifolds, T5 trans and a 3.55 posi rear end. My next upgrades are the heads and the cam. I'm considering 289 heads from Powerheads or the AFR 165's. Don't know which cam yet but it'll be for the street. The Mustang is a summer daily driver. I'm leaning towards the Powerhead option because I think the AFR's may be overkill for a daily driver but the power potential is attractive.
Any thoughts? Thanks
 

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Powerheads price has gone up and from what I hear product quality and customer service has gone down. Pass.

AFR 165....good choice IMO.
 

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I would not hesitate in purchasing a set of Windsor Jr's. I have them on my 79 mustang coupe with a 351W and they run great. Check out my sig.
Mike
 

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Edlebrock makes some really nice street heads, Performer and Perfromer RPM.

Other Manufacture's to consider are Brodix, Canfield, TFS, They all produce some really great products for your application.

Please don't just make your decision on AFR's claimed flows.....
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1991 LX Mustang 347 C4 combo 11's with the AC on.
1984 Mustang GT 460, Powerglide "Still putting it together" hoping for 9's !!

<font size=-1>[ This Message was edited by: dfree383 on 5/2/06 8:57pm ]</font>

<font size=-1>[ This Message was edited by: dfree383 on 5/2/06 8:59pm ]</font>
 

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Do you have any specific goal in mind for the car(certain Et or anything)?In my opinion unless you are going to add headers you might as well stick with a stock head.HiPo manifolds are only slightly better than a normal manifold.If you can do some porting and cleanup work yourself stock heads are still an alternative.If you want to make around 400 hp or more then the aftermarkets are a better way to go.
 

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On 2006-05-02 05:55, dfree383 wrote:

Please don't just make your decision on AFR's claimed flows.....
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This is getting old.

How about you posting your "claimed" numbers along with the test methods and type of bench used.
 

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On 2006-05-02 08:39, mstngjoe wrote:
On 2006-05-02 05:55, dfree383 wrote:

Please don't just make your decision on AFR's claimed flows.....
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This is getting old.

How about you posting your "claimed" numbers along with the test methods and type of bench used.
I agree its getting old, but everybody on this site thinks AFR's are the only heads to run and I think its getting old that they are usually the only suggested heads !! They aren't "that" good !!
 

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I dont know what their current price and product support issues are, but I've been running my set of Powerheads for about 6 years now. I have been really happy with them, especially for what I paid. At the time the support was great from them and they helped me with a few things. Beight now, there are a lot of reasonably priced aluminum heads for around the same money out there and if I was to do it now I would seriously consider that.
 

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On 2006-05-02 07:54, frdnut wrote:
In my opinion unless you are going to add headers you might as well stick with a stock head.HiPo manifolds are only slightly better than a normal manifold.If you can do some porting and cleanup work yourself stock heads are still an alternative.
I'd have to say this is right on the money. You will most likely be very unimpressed with any head if you stay with that manifold or have a exhaust system that will choke it.
 

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On 2006-05-02 10:46, Tracer64 wrote:
I dont know what their current price and product support issues are,..........
Current price is $995.

You can do a search for "Powerheads" over on the VMF and see how they responded when a customer received a set of heads from them that were over ported and had pin holes into the waterjackets.

Six years ago I almost purchased a set of their heads myself. At the time the price was right and so was their reputation.

Things change.
 

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[/quote]

I agree its getting old, but everybody on this site thinks AFR's are the only heads to run and I think its getting old that they are usually the only suggested heads !! They aren't "that" good !!

[/quote]

I totally agree with that statement! When I finally get the money around, I'm going with a set of Canfields.
The World heads are also a great choice. I've already seen what they can do for an engine.
 

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Amen !!
 

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Prove it!


I'll most likely go with Canfields on my next build. Mostly since they're cheaper, can easily be had with better hardware, and are proven performers. Will they do better than an AFR out of the box on most combos? Almost never. Will they be good enough? For MY goals they will.

The z303 can be an incredible head with some work. Just isn't that great out of the box. I'm sure most of the heads you're considering are great with some work but only pretty good out of the box.

In the end it is all about combo and not just having a certain type of head.
 

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Discussion Starter · #20 ·
Hey everyone - thanks for the input. I was leaning towards the Powerheads, but based on your comments, I think I'll pass on that. The Windsor jr's sound like a better fit for what I'm trying to do.
FRDNUT - you make a good point about the headers. I should have added that I will add Tri-y headers when I get into this.
Bottom line is that I'd like to add about 50 - 75 rwhp.
Any other comments are welcome. Thanks again
 
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