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| Re: Cam |
Subject: Re: Cam
by ddgonzal on 2012/11/16 20:30:21
Put in the A14 camshaft, it will wake up the A15.
If you have a 1979-1980 A15 it has the good camshaft. If it pulls hard to 6000 RPM, you have the good one. If it falls off at 5000, it has the mild cam.
A15 1981-1982 North America-spec: Mild camshaft
A15 1983-up worldwide (Vanette): Mild camshaft
A15 industrial: very mild camshaft
In any case you can install a higher duration camshaft (more than A14) along with high-RPM springs and a larger carburetor (e.g. Datsun L20B carburetor). Then you can rev it higher than 6000 RPM to make more HP. At any shop, ask for a camshaft for A15 that works in the RPM range you desire. Some local shops will know what to do (they are used to ordering custom cams from a camshaft vendor). Other shops won't know what to do.
datsa73 here was selling an A15 camshaft with power band where you shift at 8500 RPM. This requires a GX cylinder head or a competition-ported oval port head.
New they cost about $100 in USA. They are custom ordered, not listed in a catalog. You also need new springs (another $100) and should get new lifters (another $100)
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