PPE race valve/ shim kit.

bLkCCLB7

bLkCCLB7

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Sep 14, 2009
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hey yall i have been looking into putting these on my 02 LB7.....just wondering what they actually do. and have yall ever heard of the race valves leaking? do i need one for each fuel rail?
 
bLkCCLB7 said:
hey yall i have been looking into putting these on my 02 LB7.....just wondering what they actually do. and have yall ever heard of the race valves leaking? do i need one for each fuel rail?
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i tried the shim kit didnt get it to work, so ordered race valve and u only need one but that was lly i dont think lb7 have a rail relief thats why they had 200k mile warrenty on injectors alone
 
awesome........what does the race valve actually do just let more fuel into the rail?
 
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