60 series....Tech and Classifieds

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Is the exhaust diverter or heat riser valve a good or bad thing? I've seen pics of cracked intake manifolds from the heat but can't really find any definitive answers.
 
Is the exhaust diverter or heat riser valve a good or bad thing? I've seen pics of cracked intake manifolds from the heat but can't really find any definitive answers.
Are you keeping the stock exhaust manifold?
 
I'm keeping the stock manifolds and havin them surfaced and the bolt holes spot faced as per Jim C. It seems that cutting that damn flap out would let it flow better.
 
Filthy bitch. She's cleaned up now and ready for a kit.
20170413_114015.webp
20170413_114015.webp
 
Toyota had more trouble with red than any other car company I think. I've seen terrible red paint on both trucks and cruisers. Congrats on another one DNP!
 
So what's the story? Does it run? Miles? Come awn man!
 
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