best of luck. I love Gbodies. I had an 86 Grand Prix and loved it eventhough it was a weak 3.8 V6.
Also note, when looking at flow numbers, you can't compare the numbers really directly unless the same bench flowed the heads back to back. Too many variables to compare them other wise. Use the numbers as an idea as to where the head flows air period, not how much. Also, flow numbers from .2-.4 and .5 sometimes matter way more than anything else. Think about a cam as going up a hill and coming back down. You spend way more time in the mid range than top. I'm sure those heads will work well for you. Patriots are a great bargain head.
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Trey
Current ride: 2001 BMW 540iT soon to be manual swapped.
Former rides: 1979 Trans Am WS6: LT1/T56, Kore 3 C5/6 brakes, BMW 18in rims
00 BMW 540i/6: Suspension, wheels, and ACS bits.
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