HEI distributor and a carb to greatly simplify an answer.
Would I not need an entirely new intake?HEI distributor and a carb to greatly simplify an answer.
As i recall there is an adapter you can use. Let me see if i can find it.Would I not need an entirely new intake?
Thank you so much. What all vacuum lines would you need to make this work? Just the vacuum advance?There may be less expensive Distributors let me check ebay as i recall there were some small body distributors that used an ford / dodge box.
Thank you! Do you know if a Holley r 7697 a would fit on that adapter? I found one relatively cheap that I can rebuild instead of that $400 I’m seeing everywhere elseYou will need advance vacuum from the carb and manifold vacuum for climate control and of course brake booster as well as pvc which normally is a port on the carb
Thank you so much! One more thing, what wiring changes will I need to make? I plan on installing my own fuel, rpm, volt, speed, temp and oil pressure gauges so I won’t have to worry about those. How will I power my ignition and things like that?
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Could you elaborate a little more on the fuel pump relay wiring changes? I’m not the greatest in the world with wiring but I can almost always figure it out in the end but I’m not exactly sure right now why or what would need to be changed there. I already have budgeted for a fuel pressure regulator and all of that so everything else should be good. I’m extremely appreciative of all of your help!Not many wiring changes needed. Only one i can think of is power to the new distributor while cranking and running. Should be able to pick that up at TBI ignition coil hookups.
Food for thought: The couple other things will be a regulator on your fuel pump or a new pump as the tbi pump pressure is more than double what a carb needs. The fuel pump relay wiring would need to reworked a tiny bit so that it would work with the carb. Basically your safety would be the oil pressure switch. Don't want it running key on without motor running.
I believe all your gauges are analog so no worrier there. I am about 90% sure your speedometer is mechanical with a drive cable to the transmission. I would touch zero dash wiring until you have the carb setup working if you are so inclined. If you add an external tach you can pickup the signal on the HEI distributor.
Other thing to think about is your truck has a catalytic converter that may not play nice with your carb. You will still have a o2 sensor sending info to your computer. However by the sounds of things computer is not functional so may be a moot point.
All in all i would not generally be in favor of swapping carb for fuel injection, however in this case it may be a good choice. The other thing to consider is if you are in an emissions testing state I doubt if a carb conversion will pass.
Rambling a bit, spitballing the challenges to make the convert successful if i were doing it.