Description
The 068 factory S cam by Spotts Performance
Cam has excellent smooth idle, high vacuum and makes low end torque. Has slight chop
Ideal for 350, 389 and completely stock 400, 428 and 455’s for low RPM and high torque desired engines
Works on high and low compression
7.6:1 or higher for all Pontiac V8 engines
Great for AC and power brake cars.
great upgrade for a “a little more cam”
This cam uses stock valve springs,
or use my or VSH1 springs
poly locks are recommended for modern lifters
Makes excellent low end torque and power from idle to 5000 RPM on 400 and larger.
350/389 will make power to 5300
Works great for Q-jets or tripower. Great for AC and power brake cars.
Buy from a Pontiac engine builder! Bid in confidence – I’ve been building Pontiac’s and supplying parts since 1979
068 Stock Camshaft, ’70 All w/Ram Air III;’69 All w/WS,YZ (Exc. Ram Air IV); Ram Air & All w/4BC, MT & HO 389 Tripower
cam card:
Timing @ .050° Cam Lift
Type
Part Number – HCS068
Cam Int – flat tappet – INT .272
stock – EXH .272
Valve Int – flat tappet – INT .408
stock – EXH .408
advdur Int – flat tappet – INT 288°
stock – EXH 302°
timdur Int – flat tappet – INT 212°
stock – EXH 225°
Open Int – flat tappet – INT 7° ATC
stock – EXH 50° BBC
Close Int – flat tappet – 39° ABC
stock – EXH 5° BTC
Overlap – flat tappet – INT 64°
stock –
Lash Int – flat tappet – INT HYD
stock –
Center Int – flat tappet – INT 113°
stock – EXH 118°
Cyl – 8
Footnote