Low compression 5.3L gen IV Cylinder 7

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Marky Dissod

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@donjetman, is it reasonably possible for a Gen3 V8 (L59) to make use of the Gen4 post-TSB valvecovers?

(Always thought that the conceptual logic of the Oil Life Monitor was sound, except that it was simply too lenient.
It's nice to know that, at some point in time, GM agreed with me.)
 

donjetman

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@donjetman, is it reasonably possible for a Gen3 V8 (L59) to make use of the Gen4 post-TSB valvecovers?
A TSB valve cover should work good.

2.5 yrs ago I bought a stock 2002 C5 Corvette w/gen3 LS1 w/60k miles. When I started driving it the 1,000 miles each way between our TX & CO homes I was bummed to see it was burning 1 qt of oil per 2,500 miles.
I replaced the stock pcv valve on the stock 2002 gen3 LS1 with a "fixed orifice" pcv valve, #12572717. I also installed a catch can and did a piston/combustion chamber soak. These measures have reduced consumption to 1/2 qt per 5,000 miles.

If these changes hadn't work as well as they have I was gonna install one of the improved TSB gen4 valve covers.
 
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solli5pack

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Shouldn't the shop have done a leakdown test to see where the loss of compression is going?
 

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