INDEX Page P3 g Acceleration Linkage 6 1 Cylinder Head Assemblies 6 5 Carburetor Adjustment A l R 6 4 Valve Guide 6 6 Tune Up Chart 6 4 Engine Assemblies 6 6 Servicing me 1968 Corvair Engine remains basically This pedal setting is measured from the underside ef the same as outlined in the 1965 Corvair Shop Manual the rubber flange at the top of the pedal It is nec excgptfgrthi fO1 gwi gjtgms essary to set the pedal at this height to provide comfortable pedal angle for the driver ACCELERATOR LINKAGE 6 Rotate the rear idler lever into wide open throttle t d t th l t ll d aft Accelerator linkage on all 1968 Corvair engines should 3 S1 gm h rfsgngjlgvel 203 ifirzzfzfuenggges ii be adjusted to get simultaneous fulljthrottle position at mating hole in the idler lever the accelerator pedal the linkage idler lever and the 7 Remove the pedal block and Check the Complete aC C rbur ttOfhth gOtt1 3 level The Pedal downwalid revel celerator control linkage adjustment by depressing Sdqp sab F lflerliver legaed Ola the tI niH 1SS1tOn t S the accelerator pedal and inspecting the carburetor grxgra 6 O urms a pe at ang 8 com Ora 6 O 8 valve to insure that it is at the wide open throttle position Complete accelerator linkage adjustment is as follows 8 when necessary perform carburetor Synchronization Adjustment procedure as outlined in the 1965 Corvair Shop 1 Disconnect the accelerator pull rod swivel from the Manual under Engine Tune Up rgar Idler lever hg 1 Secondary Carburetor Linkage Adjustment 2 Disconnect the accelerator pullback spring Remove 4 X 1 Carburetor Fi 3 the carburetor cross shaft actuating rod swivel from g the Cross Shaft 1 With secondary carburetor locked out and primary 3 Pull the carburetor cross shaft actuating rod rear carburetor m Mile pOS1t1On measure 7 16 between sleeve and swivel on secondary carburetors and ward until the rear idler lever hits the stop on its adjust rod until spring tension 1S felt Lock in this bracket Rotate the carburetor cross shaft to move OSit O fi 3 the L H carburetor into wide open throttle position p 1 H g thru detent on Powerglide With the carburetor cross shaft and its actuating CHOKE VALVE BOTTOM OE ROD rim EVEN WITH TOP rod held in the above positions align the actuating COMPLETELY OF HOLE rod swivel until it freely engages its mating hole in CLOSED the cross shaft lever then remove the swivel from l V the idler lever and back off the swivel five full turns and re engage it in the lever hole i i lli 4 Re install the accelerator pullback spring 5 Depress the accelerator pedal to within 1 1 8 inches Y PULL UPWARD of the floor carpet and block pedal in this position r DRgIP gR VEL Mw Il CARB CROSS SHAFT AcctLERAT0R ACTUATING ROD In FORWARD Pull R00 I PULLBACK SPRING K I FJ r gg in V I Q 7 4 F e w E 2K SCREW ROD IN OR e 1 fj j OUT TO ADJUST L w X i N Qi i REAR IDLER ACEELERATOR ACTUATING ROD j LEVER ROID SWIVEL SWIVEL E is Fig I xccelerator Linkage Adjustment Fig 2 Adjusting Choke CORVAIR SHOP MANUAL SUPPLEMENT