i have a chance to get a set of these heads for about 100 bucks just wanting to know if its worth they will be on a 383

 

What are your other options? Because the 882s are just run of the mill smoggers that basically don't flow for ****. Kinda cappin a 383 I would think.

Here is a jpg image of a page from the CHP heads flow test article. Contains a chart w/ the 882s vs a couple other smogger heads, the L98 heads, Vortecs, LT1s, Edelbrock, and the World Products S/R heads...
http://www.inter-scape.com/ray/heads...eadstest_4.jpg

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Ray87Z
-Vortec headed 350.
86 IROC w/ a cammed 305 TPI.
Formerly Ray86IROC.
www.inter-scape.com/Ray

 

yea looks like the 882 realy suck seeing as how the out flow L98 heads. i wouldn't use them on a 383 but the look like they can feed 400 hp 350 with lots of air. most people think that 441, 882 and 993 suck realy ther a pretty good/cheap alturintave to other GM castings other than vortecs and 292 heads.

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when the green flag drops the bull$hit stops

350,performer RPM intake ,650dp, 700r4, headers, 3inch exhast

 

The 882 heads flow ok,but they are one of the lightest casted heads GM every built.They are prone to crack around the exhaust seats when exposed to high tempartures.These heads are basicly junk and I would not recommend for any high performance motor.

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Superman
Rev'n to Seven

 

If you can push a welding rod through both the center exhaust ports and out the head risor crossover hole then the castings are very thin. The better 882's (if you can find them) only have one exhaust port going to the crossover. Better smog castings are 992, 993 and 997's. 997's are a good heavy casting to use. They can be cleaned up and make good performers with some larger valves and port work for a set of 76cc heads. Targetmaster 350's have 997's on them.

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Stephen's racing page

87 IROC-Z Pro ET Bracket Race Car and knocking on the SuperPro ET class
383 stroker (carbed) with double hump cast iron heads and pump gas
LS6 Big Block buildup now in progress for the 2001 racing season

Best results before the 383 blew up
Best ET on a time slip: 11.857
Best corrected ET: 11.163
Best MPH on a time slip: 117.87
Best corrected MPH: 126.10
Best 60 foot: 1.662

Racing at 3500 feet elevation but most race days it's over 5000 feet density altitude!
Member of the Calgary Drag Racing Association

87 IROC bracket car
91 454SS daily driver
95 Homebuilt Harley

[This message has been edited by Stephen 87 IROC (edited November 02, 2000).]

 

Stephen,

And while you've got that welding rod stuck in there (nickel rod, of course), connect it to your Hobart and start filling the voids so that you can get down to some serious port enlargement. When you're done, the numbers cast in the rocker valley really won't mean much aside from chamber size.

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Later,
Vader
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"Make Me Bad"
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