Quote:
Originally Posted by 64woodwheel
That's what I've always suspected. I bought the engine already re-built. It has always seemed to lack some firepower. I think a stroker kit and higher CR would wake it up quite a bit. I've never done any serious diagnostics/tuning. Just timing.
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Start with tuning before you touch anything else. Another point of compression will gain you about 15hp, but I think the real problem is that unported heads don't have the flow for the raIV cam work properly. If you wanted to wake the engine up, I would port the heads before anything else or swap the cam for a slightly smaller one, but that's my take on it. I'm not a big fan of upping compression for power as the gains are pretty small and much larger gains can be found elsewhere. It's more the last step than the first, imo.