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Original Message
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| heads up |
| By dave - 03/15/2001 11:41:30 PM; IP 205.188.197.21 |
| ok guys my re-built 428 plot thickens(a lot) the fresh heads are both C6TE-G one head has the 16 bolt pattern and CJ size exhaust ports......the other head has 12 holes, only the lower diagonal holes are there! the distance from the center hole to the top of the port on the 16 hole head is aprox .750 in. and the 12 bolt head distance is closer to .900 (15/16 in.) The date c odes are both very close late 65. Oh yeah that book that had me thinking I had a PI block cause of the welded letter "A" on the back might be in-correct I do not have the webbing in the mains and there is not a 428 cast into the water jacket behind the center freeze plug. IU crank and 4.156 slugs point to a 30 over 428 ...So does anyone have a clue as to what is up with these heads and how a the different exhaust size or pattern would affect it? Thanks |
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