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Depends on what you're after, and how you're going to drive it. The original Z28 30-30 production cam and the two much nastier "off-road" cams (which were designed solely for Trans-Am competition, which was constant wide-open throttle between 5000-8000 rpm) were purely "horsepower" cams, as the 302 had very little torque and had to be spun up tight to make power.
Not a problem for most, but if you want it exact, be in it. 1967 RS/SS Camaro 383 5 speed tremec 3.70 1967 RS/SS Camaro 383 5 speed tremec 4.10 1967 RS Camaro Convertible 327 4 speed 3.73 1969 SS Camaro 6.0 LS Twin Turbo 5 Speed 3.50 2013 ZL1 Camaro roto-fab airbox pulley swap Rest In Pieces March 27 2014. Save.
JimM said: You really do NOT want the original specs. Not enough poasitive caster, and too much toe. You want 1/4 to 1/2 degree positive camber, 1/16" toe, and as much positive camber as she will give you. 3 degrees or so will probably be it, but if you can get more take it.
3959180 Mechanical Flat Tappet. This mechanical flat tappet is a ZL-1 and LS-7 mechanical lifter competition cam, good in 427-454. (Use spring P/N 3916164.) The duration at lash point in degrees (intake/exhaust) is 327/333; duration at .050" tappet lift (intake/exhaust) is 262/273; and maximum lift with 1.7:1 rocker ratio (intake/exhaust) is ...
Here is the factory specs, its a starting point. Stock factory alignment specs: Caster +1/2 deg. Camber + 1/4 to 1/2 deg. Toe-in 1/8" to 1/4" (Radial tires need less toe-in, use 1/8" or less for them) 1969 X66 396 LeMans Blue, M20, 373 (Sold) 1969 Convertible LS3 TKO 600, 373. Reply Like.
Good Autocross Settings. (will need aftermarket components to achieve these settings) 2.5 TO 3.0 Negative Camber. 4.0 TO 6.0 Positive Caster. 0.0 Toe-In (Big Course) 0.10 Toe-In (Short Course) Muscle Car Front End Alignment Basics - Super Chevy Magazine. dhutton.
The Herb Adams specs were taken from his old parts catalog. If you are running the old type bias ply tires and not cornering hard at all, the factory specs might be O.K. But if you have radial tires and like to take a corner hard now and then, go with the Guldstrand specs. David-----Check my web page for First Gen Camaro suspension info:
OK. Here's more proof. Back in April 69, Popular Hot Rodding track tested what they called Chevy's Big Three. A 396/375 Camaro with street tires and a 3.73 rear end ratio managed a 14.60 at 98.90 MPH (weight was 3460 lbs.). The car of course was traction limited due to the street tires. The second car tested was a 1969 Z-28.
267, 305, 327, 350, 400 cid. Torque Specs. always torque bolts in three equal increments. Bolts or Parts Lube or Sealer Torque to: 7/16 Main Caps (2 bolt) Engine Oil 70 ft-lbs. 7/16 Inner Main Caps (4 bolt) Engine Oil 70 ft-lbs. 7/16 Outer Main Caps (4 bolt) Engine Oil 65 ft-lbs. 3/8 Outer Main Caps (4 bolt) Engine Oil 40 ft-lbs.
ALIGNMENT SPECS. Guldstrand recommends the following specs for a "touring car": Caster: 3 - 4 degrees positive (+) PS = more, manual steer less. Camber: 1/4 to 1/2 degrees negative (-) Toe-in: 0 - 1/8 inch. NOTES : Dial in as much positive caster as possible as long as both sides.