300hp 307

Ernest said:

Use a dual plane spreadbore aftermarket aluminunm intake that accomidates the quadrajet carburetor and paint it to match the rest of the engine, have the stock cylinder heads lightly ported and polished on the intake/exhaust runners with the combustion chambers cleaned up, at least 9:1 compression, remove the pressed in rocker arm studs and replace it with screw in studs, use a slightly aggressive hydraulic roller camshaft set up with roller tip rocker arms and use the stock looking GM HEI ignition system with all new parts and an advanced recurve.

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MadDrOlds said:

Call it a thought experiment:

Lets say we wanted 300 hp out of a 307 vin 9 that would pass a tailpipe emissions test (forget about California).

Pretend we have an unlimited budget (I don’t, but we’re pretending).

Further assume we want a generally stock and 80s period correct appearance (so, no highrise through the hood, no ls fuel injection.

How would you do it?

PS-Lets go ahead and stipulate 1). This is crazy! 2) it costs too much! 3) chevy is cheaper! 3) LS is more reliable! Etc etc etc.

Can it be done, and how?

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