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Discussion Starter · #1 ·
Howzit..

Boosting my D15 and im a bit worried about the block strength. looking at boosting about 1.2-1.5 bar (not sure what that is in psi). should i go for a milled out darten sleeve block or look at block posting/dowling and a sleeve brace?? whats the max boost that a d block can safely handle wothout any block strengthening???
 

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'89 CRX HF
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if you are worried about sleeve shift, post your block or run a blockguard.

as for how much stock sleeves can handle, they have been proven to 460+ without breaking. its all going to come down to the tune
 
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