So based on the info in the 1st link do you think It would be better to go with the GM fast burn heads. They're numbers are also similar to the LS1 heads. I saw summit has them for 675 per head, and they're aluminum. I mean I could always get a P&P job on them to boost that up a bit but is that not a better start?
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2000 Tahoe Z71 5.7
1982 Z28 Pacecar 305
1999 S10
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