one of two places either on the back of the intake or under the exhaust manifold It is on the rear of the engine behind the distributor.
The Original small block Chev 262, 283, 302, 305, 307, 350 and 400 all had the oil pressure sender under the distributor at the rear of the engine between the two valve covers.
No, Ford has never built a 283. The 283 is a Chevy engine.
Chevrolet did not build the 283 in 1968. The 1967 Chevy 283 had from 195-315 hp depending on how it was set up.
No.
Yes,
yes
http://www.classiccarauto.com/impala/how_to/images/distributor.png
YES.
Yes.
timing on my 283 4-barrel is 8 degrees btc.
Yes.
.35 of an inch