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97ws6 · 08-23-2007, 10:34 PM

Pull the valve cover and see if you can find casting number 12363287. That is the casting number of an LT4 head, if it has that head, it has to have the LT4 intake, an LT1 intake wont fit. At least then you know you have the intake and heads, they are the most important thing.

08-23-2007, 10:34 PM	#13
97ws6 Join Date: Dec 2005 Posts: 87 iTrader: (1)	Pull the valve cover and see if you can find casting number 12363287. That is the casting number of an LT4 head, if it has that head, it has to have the LT4 intake, an LT1 intake wont fit. At least then you know you have the intake and heads, they are the most important thing.