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Re: Rocker Arms
Maybe but I doubt it. Even if you went to all 1.9 roller rockers and hi-load valve springs you'll probably only get an extra 10-15HP to the wheels on L36 Grand Prix. And that is in conjunction with mild mods such as exhaust and intake. With a camshaft mod it may be a different story.
BTW - I have a stock '01 Regal GS as my daily commuter/grocery getter and I can blow the doors off a Caddy with 300 hp Northstar. It needs 300 hp due to the weight factor.
BTW - I have SLP 1.8 roller rockers in my GTP and yes there is a noticeable difference. I'll find out for sure when I take it back out to the dragstrip.
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