Posted by used red MN on January 12, 2022 at 22:19:10 from (75.73.112.20):
In Reply to: Need Chevy help... C-60 posted by Fritz Maurer on January 12, 2022 at 12:02:38:
Here are some comments on what you appear to have going, I agree it looks like an earlier engine has been swapped in and a fair amount of cobbling is present. However, with a little tweaking I think it can be made to work. It looks to be a proper high deck truck motor as Steve has mentioned. It has a truck style distributor ..note vent cap.. that worked together with the original Holley carb to provide a top speed governor. One thing that needs investigated is the carb mounting. I am certain that a spread bore carb pattern ..small and big bore bolt pattern was never offered for a tall deck truck manifold. So the carb has to be mounted by an adapter, thus you see nuts on studs for the front pair of bolts. My question is if the adapter is not thick enough the large rear throttle plates may hit the manifold and not allow them to open fully. To check this the choke has to be held open so the secondary lock out is off and the throttle fully opened while looking down the back carb bores. For the choke you will have to get an electric choke as shown in the link. As Scott has pointed out the PCV hose is coming off the front of the carb and is plugged and laying over the right valve cover. However with that carb adapter I would start it and check that it pulls a good vacuum to that port before connecting it there. The ballast resistor is correct due to it originally having HEI that ran a full 12 volts as mentioned by 504. The wire to the starter should run from the coil side of the resistor to the ..I.. terminal on the solenoid to provide full voltage for a hotter spark during cranking. The brake system is likely original with both the vacuum booster and hydraboost system. I am not sure if it applies to this truck but in some cases a completely separate spring applied hydraulically released park brake system was used on some of these models particularly if they were specd for use as bucket or boom trucks.
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