Quote:
Originally Posted by 94cobra69ss396
The main support and the valley girdle are two different things. The main support ties all the main caps together. The valley girdle is like a truss that stiffens the valley to help keep the block from flexing.
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 Right on.
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64 Vette Roadster 400 ci
1990 F150 351 ci SuperCharged
48 Harley Pan Head 76 ci
2016 Nissan Altma
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