TH350 - Performance Automatic? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

**72malibu** · 10-04-2020, 02:23 PM

Hello, helping my dad swap out a Muncie in his Gentleman Jim for a TH350, as it came from the factory. It'll be easier for him to drive an auto these days.

I'm physically close to Performance Automatic in Frederick MD. Anybody have anything positive or negative to say about their Stage 1 TH350? It'll be going behind the original 350 with a mild cam/manifold and headers.

Also, these square body trucks had a 9 inch tailshaft, right?

10-04-2020, 02:23 PM	#1
72malibu Active Member Join Date: Jun 2019 Location: Gaithersburg, MD Posts: 135	TH350 - Performance Automatic? Hello, helping my dad swap out a Muncie in his Gentleman Jim for a TH350, as it came from the factory. It'll be easier for him to drive an auto these days. I'm physically close to Performance Automatic in Frederick MD. Anybody have anything positive or negative to say about their Stage 1 TH350? It'll be going behind the original 350 with a mild cam/manifold and headers. Also, these square body trucks had a 9 inch tailshaft, right?



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