Difference between 78 and 94 sbc? - Off-Road Forums & Discussion Groups
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post #1 of (permalink) Old 07-10-2002, 12:57 PM Thread Starter
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Difference between 78 and 94 sbc?

I need to rebuild the engine in my 94 Z71. It is the stock 350 tbi with the stock auto. But I can't have much down time. I have a 78 chevy van with a worn out 350 and turbo 350 auto in it. I'm thinking of rebuilding it's short block and putting it into the truck. Are the short blocks the same? Should I use the heads off the truck or are the old ones from the van better or at least as good? Will I have any other problems?
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post #2 of (permalink) Old 07-10-2002, 08:01 PM
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Re: Difference between 78 and 94 sbc?

the van has a 2 peice rear main and the truck has a 1 peice. Thas about all I know.
post #3 of (permalink) Old 07-10-2002, 08:11 PM
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Re: Difference between 78 and 94 sbc?

I believe that the van is internally balanced and the 94 is externally as well. Also I think that the oil dipstick is on the drivers side on the van and on the pass. side on the truck.
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post #4 of (permalink) Old 07-11-2002, 06:40 AM
 
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Re: Difference between 78 and 94 sbc?

You can swap the engines and still retain your stock TBI. The only thing that you have to do is to swap intakes between the motors. The TBI intake WILL fit the older engine but will require some oblonging some of the holes (two, I think). This is not an uncommon swap and i know of a few people that have done this sucessfully.
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