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03-21-2003, 09:41 PM
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#1 |
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68cst_ss490
Join Date: May 2001
Location: edmonton,canada
Posts: 1,363
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head casting ####???????
can any one tell me the size of combustion chambers these heads have
# 3970126 moretec says they are from a 67-71 327 or 350 but nothing else  
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Dean edmonton,canada a winter wonderland 2005 Chevrolet Avalanche LT cold air intake, performance exhaust, Comp cams cam, jba shorty ceramic headers. http://www.cardomain.com/ride/3090973 |
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03-21-2003, 10:06 PM
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#2 |
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Registered User
Join Date: Oct 2001
Location: Grapevine, Tx.
Posts: 2,142
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Looks like 76cc to me
I am not 100 percent sure. We will let the experts be the judge. Have fun
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John Hutchison Grapevine,Texas 68 1/2 t swb 68 Mustang 69 Jaguar 71 1/2 t swb 88 Supra CompTs6m 93 Escort GT 2005 Corolla XRS |
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03-21-2003, 10:08 PM
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#3 |
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68cst_ss490
Join Date: May 2001
Location: edmonton,canada
Posts: 1,363
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with flattops i hope i get a decent comp ratio with those mammoth sized chambers. may need new heads.
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Dean edmonton,canada a winter wonderland 2005 Chevrolet Avalanche LT cold air intake, performance exhaust, Comp cams cam, jba shorty ceramic headers. http://www.cardomain.com/ride/3090973 |
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03-21-2003, 10:08 PM
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#4 |
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Registered User
Join Date: Jun 2002
Location: Knoxville Tenn.
Posts: 3,058
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3970126=67-69 327,67-79 350 ,1.94/1.5, intake flow=148.3,exhaustflow=87.6,76cc chamber.
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56 Chevy Bel-Air 2dr. HT (purchased new) 71 Chevy Cheyenne SWB PU (502HO) 65 GMC short bed step--work in progress and my gofer |
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03-22-2003, 07:04 PM
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#5 |
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68cst_ss490
Join Date: May 2001
Location: edmonton,canada
Posts: 1,363
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ttt
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Dean edmonton,canada a winter wonderland 2005 Chevrolet Avalanche LT cold air intake, performance exhaust, Comp cams cam, jba shorty ceramic headers. http://www.cardomain.com/ride/3090973 |
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03-22-2003, 09:41 PM
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#6 |
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Formerly yellow72custom
Join Date: May 2001
Location: Austin, TX
Posts: 7,531
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With stock style flattops, you would have about about 8.5:1 compression. I would put either some 64cc heads or domed pistons in it if you want more compression.
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'72 Chevy C10 Mild 350/TH350/3.07. Ochre/White. Old high school ride. '70 GMC C2500 '62 327 4bbl/SM465/4.56-geared Dana 60. White/White. Project or parts truck. '97 Saturn SL DD. 1.9/5-speed. 40+ highway mpg |
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03-23-2003, 09:32 PM
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#7 |
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68cst_ss490
Join Date: May 2001
Location: edmonton,canada
Posts: 1,363
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the pistons just have the valve reliefs and come up to near zero deck height.
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Dean edmonton,canada a winter wonderland 2005 Chevrolet Avalanche LT cold air intake, performance exhaust, Comp cams cam, jba shorty ceramic headers. http://www.cardomain.com/ride/3090973 |
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03-23-2003, 11:05 PM
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#8 |
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Registered User
Join Date: Jan 2003
Location: Washington State
Posts: 8,834
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Head Casting Numbers
Casting #'s
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1970 Chev CST 2003 Harley Fatboy 1975 Chevrolet Step Van 1956 Chev Bel Air 1977 Blazer 2WD For Sale $3000.00 1978 Blazer 2WD For Sale $7000.00 1978 Silverado 2005 Monte Carlo |
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