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What else?
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4,156 Posts
I did some looking around but I can't find the part numbers for the springs, retainers, and locks. PM Machinist he may know.

Dave
 

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Oooo, White Lightning !
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2,921 Posts
I believe you have to change the seats,clips and retainers for those. And from what I have seen they don't offer much more of a gain over a set of 910's, due to the fact we don't see the RPMs to make them effective.
 

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I thought the issue was also boost related as well as RPM? Could be wrong but I thought I saw something to that effect posted by Machinist or maybe it was the guys from EDP. Something about float from higher boost?:shrug:
 

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PSN Pretender
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1,926 Posts
Discussion Starter #5
Something about float from higher boost?:shrug:
Exactly! Drive pressures were a little out of wack before I popped a head gasket. Actually I was in the process of setting up the wastegates when it happen. Well after the tear down I found that the exhaust valves juuuust touched the pistons, so this needs to be addressed before heads go back on.
 

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Yes I recall one of the things specifically was that many people may think they are not having any contact but on a tear down they will likely find out otherwise. Thinking about it, it makes sense to me. I will be following Nate's and Buddy's I think it was recommendations.
 

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<- My lucky set of PMR's
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163 Posts
Comp Springs #26120-16
Comp Locators #4696-16
Comp Retainers #795-16
Comp Locks #617-16
 
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