ago I build a one piece rear seal roller ready 350 and I used a LT1 cam.

Just my two cents, and only because you asked. lt1 optispark delete timing cover Must be used with 1995-1997 Timing covers. If you want to spend the first hour or so each weekend tuning and figuring out which plug is fouled, adjusting lash and worrying about wiping a lobe, put in the 754.

If you want a little more, go with the 140, but beware, you will spend more time fiddling with it to keep it right. In 1966, General Motors designed a special 302 cu. If you are wanting to enjoy the car for many trouble free miles, go with the 178. The medium journal 350 was further developed into the Generation II LT1/4 350 in the early 1990s. I can't imagine running the 754 regularly on a street car. Pulled hard to 8,000 rpm with small diameter long tube headers. Put a 140 cam in a buddy's 68 z in 1970, with the 142 springs. when GM sent it off with a bang by offering the 350 cubic inch Vortec LT1 as an. I have personal experience with both, many years ago. LT1 Corvettes (Y-bodies) of this model year used camshafts with 205/207. The 754 really does not have sufficient vac.

The 140 barely has sufficient vac at idle for a street car with power brakes. Still pulls strong to 6500, and you are highly unlikely to exceed that on a regular basis if you are driving this on the street. I am obviously in the minority here, but.

Lt-1 cam 350