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I have a 1999 Infiniti G20 with the sr20de, and I'm wondering if a sr20det head will bolt up to it. And will that change the compression to where an sr20det would be, or are the pistons a different compression as well? I'm sure the pistons are stronger, but is the compression the same as the sr20de? I'm planning on doin a custom turbo kit with the swap as well, but it's going to be a daily driver, not a track car. So I plan on keeping the stock pistons.
 

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SR20DEviant
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If you have a 99 G20, you might not have a roller rocker head. If NOT, just boost the stock engine. The compression ratio is piston based but if it is 9.5:1 you can boost that. There re people on here with 10:1 UK motors on boost.
 
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