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Old 12-28-2011, 10:54 AM
T Evans T Evans is offline
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4.3 V6 manifold baffle

I have a 1994 Vortec 4.3 V6 which I'm carburating by using a cast steel 4bbl manifold. On the bottom of the manifold is a cup like baffle that's riveted on and has a small hole in the center. This baffle hits the balance shaft when I put the manifold on. Can I remove the baffle or is it needed? Thanks for any help. Tom


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Old 12-28-2011, 11:29 AM
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bondo bondo is offline
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Ayuh,... It's a heat shield to keep hot oil from heating the intake...

It's possible, you can beat a small dent in it to clear the balance shaft...

Personally, I'd modify it, rather than removin' it...
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Old 12-29-2011, 08:35 AM
whyholdback whyholdback is offline
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The tin heat shield is pretty close to the manifold itself.
The best solution is the Edelbrock 4.3 Vortec intake with the '96-up heads, but you can toss the balance shaft instead.
BTW, there are cast steel cranks, but that intake manifold is cast iron, not cast steel. There are important, significant differences.
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