Life doesn't always go as planned. Case in point, our junkyard 5.3L series. Things started out well enough inpart 1, when we replaced the stock cam and springs with an LS9 cam and LS3 springs. This ...
Produced for a single model year, the C7-generation ZR1 belts out a massive 755 horses and 715 pound-feet (969 Newton-meters) at the flywheel. The folks at Lingenfelter have outmuscled the old ZR1 ...
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