port and polish 8.1L heads
11-06-2009, 01:24 PM
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update,
Talked to ray over e mail... he said he heads lower the compression so i can swap pullies and make more boost... he said just the heads alone id probably see 50-60 hp increase..
Talked to ray over e mail... he said he heads lower the compression so i can swap pullies and make more boost... he said just the heads alone id probably see 50-60 hp increase..
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