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76 cc chambers

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Old Jun 24, 2006 | 04:41 PM
  #1  
65panhed's Avatar
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From: OKC Oklahoma
Car: 1984 Z28
Engine: L69 305 HO
Transmission: 5 speed manual
Axle/Gears: Auburn pro yukon 3.73 gears and axl
76 cc chambers

Is there any real good use for 76 cc chambers, aside from maybe supercharging?
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Old Jun 24, 2006 | 05:42 PM
  #2  
jstrdn90rs's Avatar
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From: Desert Heat
Car: 90 RS/90 Z-71/73 Vega
Engine: 3.1/5.7 TBI/5.7
Transmission: 700R4/700R4/350turbo
Axle/Gears: 3.23/3.42/3.42
YUP...to hold down that camaro car cover during those tornadoes..I am just joking..you can make any set of heads in something good.Like Fast68 says you can reduce them or if you have pistons with a high compression they will become useful.You could use them for a turbo set-up as well.Some have smog ports and should not be used on high performance applications..

Last edited by jstrdn90rs; Jun 24, 2006 at 05:54 PM.
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Old Jun 24, 2006 | 05:45 PM
  #3  
Randy82WS7's Avatar
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Car: 1991 S10 pickup 2700lbs
Engine: 4.3L Z TBI
Transmission: 700R4
Axle/Gears: 3.08 7.625"
well it depends on what pistons you run

what casting ones are you in RE of ?

can be milled to reduce the CC volume,

save them
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Old Jun 24, 2006 | 08:48 PM
  #4  
Damon's Avatar
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From: Philly, PA
10-20 years ago... yes.

Today... not really unless you're trying to drop compression.

The vast vast majority of the performance-oriented cylinder heads built for the small block Chevy these days are ~64cc. I can't think of many large-chamber performance SBC heads these days (Dart and AFR make 72-74cc heads that are definitely high performance heads).

Any factory 76cc head was strictly for emissions reasons. None of them were "high performance" in any way, compared to the excellent aftermarket heads that are available these days.
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