A/C, brackets and pulleys

[84chevk10]

Putting the big block in my 84 K10 and I have to locate some pulleys. I have air on my truck, think the compressor is leaking, so while I was looking for pulleys what should I look for in A/C brackets? My 350 has the small radial type compressor, so what year BBC equipped square bodies have that type? Can I make the hoses work? I'm just hoping I don't have to go new.

 

[chengny]

Here is the assembly dwg and parts lists for mounting the AC compressor - to a 1984 version of a 454:

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For whatever reason, it looks like the bracketing used with a 454 only accepts an A-6 compressor. I also checked the service manual and that seems to agree;

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But if your R-4 is getting tired, you'll have to change it out anyway. Just replace it with an A-6. The big issue is, I can't determine from your post whether the big block has the appropriate brackets for mounting a compressor. If it doesn't, good luck - I think those will be very difficult to source.

 

[84chevk10]

That's the old style compressor, I got the short one on mine. Did any of the big blocks use the shorter compressor?

 

[chengny]

That's the old style compressor, I got the short one on mine. Did any of the big blocks use the shorter compressor?

I think we overlapped posts - while I was editing mine. Read it again.

 

[84chevk10]

I have nothing except whats on the sb. I got to go look at a RV that was equipped with a 454. Alot of fire damage and the guy doesn't know what yr it is. I hope I can salvage brackets and pulleys from it.

 

[74propu]

I made my ac compressor brackets for my 454 and used ac lines off a suburban that cross over the radiator that I got from rock auto . but in 1986 chevy used the r-4 compressor on the 454 in a c30 but that was the only year and them brackets are imposable to find now.

 

[84chevk10]

Regardless of compressor, are all the lines the same where they go to the evaporator? IfI could find brackets for the long comp, I could use 1 of them and go with the hoses from Rock Auto for a suburban. correct? My P/S pump is from a 79 3/4 ton.

 

[84chevk10]

74propu, witch compressor did you use?

 

[HotRodPC]

Mine has the short one. This is an 86 Configuration with an HR6.

 

[84chevk10]

Mine is the shorter round one. I used to work in a salvage yard and when they came out we called them radial compressors.

 

[HotRodPC]

Mine is the shorter round one. I used to work in a salvage yard and when they came out we called them radial compressors.

You probably have many refer to as the Pancake Compressor. It's much thinner than the longer ones.