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Old 07-28-2015, 07:02 PM   #11
xbanone
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Join Date: Oct 2008
Location: WV
Posts: 209
Re: 73-80 vs 81-87 interior differences

Quote:
Originally Posted by 73kay View Post
Ya I still need to order my firewall insulation. I'd imagine that the newer firewall design just has more holes for wires etc. Where you planning on getting the insulation?

Usa1 industries has the cheapest @$60. I am going to use some sort of dynamat product along with it. Also, I am using my 76 wiring and heater box. Thinking i should go with the 73-79 insulation.
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1976 K15 Short/Step
1981 C10 short/wide
1994 K1500 ECSB
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