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Ziegelsteinfaust · 07-26-2021, 11:18 PM

It could be one of those crossover year issues that occasionally pop up. In your case is that motorhomes have a different smog standard then a pick up, and thusly a different engine. It may have been a TBI engine with a port injection block.

So you somehow got a rare factory hybrid.

07-26-2021, 11:18 PM	#2
Ziegelsteinfaust Registered User Join Date: Dec 2012 Location: Temple City Posts: 3,560	Re: Factory Gen 6 block with gen 5 heads? It could be one of those crossover year issues that occasionally pop up. In your case is that motorhomes have a different smog standard then a pick up, and thusly a different engine. It may have been a TBI engine with a port injection block. So you somehow got a rare factory hybrid.