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Re: Spark Plug Heat Shields
if i recall the older had ear's to pick up the manifold bolts .
and i just installed a 1996-2003 vortec 5.7 engine and it had the 4 bosses drilled and tapped for the newer style .
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77-k30lb BIG truck build .
87-k30lb budget beater build .
85-k30lb the plow machine build .
85-c10sb summer fun toy .
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HOLLEY SNIPER efi = worst case of p.i.t.a i ever had .
EDELBROCK pro flo 4 = best deal going so far . love my setup works great.
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