1998 Z28 dynoed today
Trending Topics
My car made the same power and HSW did the tune. We have identical mods
The Best V8 Stories One Small Block at Time

After the major bolt ons, my car felt a lot stronger up top, keep an eye and feel for the 4000-5000 rpm range, that part really picks up for me, good place to run from during a roll run heh.
There were 2 other ls1s that dynoed as well and only put down 296rwhp and 300rwhp respectively with lid/cutout. So me having ls6 intake/headers over them you see i put down 20-30rwhp more than them. Dynojets do read low but on this site i find its rare you see a bolton ls1 under 350rwhp and 350tq.
People have historically thrashed or written off the '98's. My '98 SS has 19,000 original miles on her and still gets better with more mileage...
With the right combo of mods these earlier cars can perform quite nicely





