Not looking to build a high horsepower machine, maybe 350+ hp or so...will these heads hold up for that?
"882" heads...any good?
keithl1967
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Not looking to build a high horsepower machine, maybe 350+ hp or so...will these heads hold up for that?
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What casting date are they? If they are the early ones with lotsa meat then yeah, they could be played with enough to support pretty close to that.
Ive seen some that I thought were newer that didnt look like they had enough meat worth porting and bowl blending.
Ive seen some that I thought were newer that didnt look like they had enough meat worth porting and bowl blending.
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1,635 Posts
Unless you can do the majority of the work yourself, get a cost estimate from a couple of machine shops and compare those prices to a new set of something similar like the World Products S/R Torquers. I have seen these go for well under $1000 and have heard of cost estimates to rebuild stock heads at over $800. With something like the S/R's, you can use your stock intake manifold.
They are what is called the "best of the worst" heads, they are from the smog era and the flow numbers will flatten out right around .450 lift, to be honest in stock form, from 450 to 600 lift on a flow bench will show only 1 to 2 cfm increase, you can actually add material to the intake runners and gain a few cfm...you have to add in the area of the intake port where the rocker stud has a pocket in the runner.
So if your cam lift is .450 or lower, those heads actually flow a decent number, but nothing compared to an out of the box aftermarket head.
So if your cam lift is .450 or lower, those heads actually flow a decent number, but nothing compared to an out of the box aftermarket head.
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76 cc chambers. Dismal low compression with dished piston and only slightly better with flat tops. Means you can't run much of a cam or you'll have one that's pitiful weak down low.
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Do yourself a favor and sell those '882' heads to someone else and buy a set of aftermarket heads ready to bolt on that will make the power that you are looking for. I have built several 350's using Dart's Iron Eagle 180cc head with 64cc chambers and 2.02/1.60 valves. These heads with a flat top piston will come in around 9.3 to 1 compression. Try a Comp Cam Extreme Energy 268 or 274 cam and a Edlebrock Performer RPM intake with a Holley 750 carb. This makes for a very streetable engine and should come in around 375 horsepower. Very responsive and not that bad on gas. Good luck. :yes:
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Thanks for the input...I'm a long way from getting started, but just wondering if I had anythign really worthwhile or not...Theycame off of a 350 .030, flat top 4 valve reliefs, and a cam at .461 and .461...
Supposedly made in the neighborhood of 325--was my daily driver and had a little something when I got on it, but was also running 3.08 open at the time...
As I get prepped to at some point rebuild that block (reassemble the short block, I'll likely look for a deal on othe heads...anyone ever buy anythng for "aerohead"...I see them in my magazines all the time, and their prices seem too good to be true on some items...
Supposedly made in the neighborhood of 325--was my daily driver and had a little something when I got on it, but was also running 3.08 open at the time...
As I get prepped to at some point rebuild that block (reassemble the short block, I'll likely look for a deal on othe heads...anyone ever buy anythng for "aerohead"...I see them in my magazines all the time, and their prices seem too good to be true on some items...
I have one 882 head and one 993 head that came on my 350 when i bought it. I had performer manifold and performer cam. Made around 300hp i think, but it hit a wall around 4000 rpm. I can't even sell my heads for $150 on craigs list and mine don't have many miles on them since they were last rebuilt.
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also prone to cracking!!
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