Vishnoff...just some corrections. The bore is the size of the cylinder bore. Yes you do have to get a piston to FIT the new bore if it is .030 or .040 or .060 over, but it is the bore of the cylinder. The stroke pertains to the rod lenght and could pertain to an offset grind on the crank but " a larger crank" ? Not really too sure what that means.
For example a stock 289 was 4.00 inch bore and 2.87 inch stroke, abnd to get to a 302 they left a 4.00 bore but changed the stroke to 3.00.
To install a stroker kit, depending on HP you want, could run anywhere from $2500.00 to $10,000.00. The more HP you want the better the parts have to be. The more power you make, the more your suspension has to be beefed up, the transmission, and so on.
Supeg...as far as your mods are concerned. If they were not designed as a "combination" that will work together, the car may make even less HP then it made as stock. Unless you do some careful up front planning with the cam, intake, carb and heads you could go backwards. The parts could be a total mismatch. To figure out what you have we need a lot more info then what you put down. Dual plane or single plane intake? What kind of cam, lift and duration? Primaries on the headers, long or short tube, collector dia? 1.6 rollers or 1.7 rollers? What size Holley?
If this guy did not keep records on the car, I would not have bought it. He has to know what he put in.
Ron
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