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Thread: 4l80e
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09-22-2010 #1
There is a tag on the drivers side of the transmission. I'm working from memory here but I believe it's a 2 digit code for the year. IE 97 = 1997. Cooling line location did change with the rear lines being moved back to provide better lubrication. Depending on the application locating the back line can be difficult on the later model transmissions. It all depends on how much space you have in the transmission tunnel. I'd ad that I am far from an expert on this subject. There many other forum members here with better backgrounds in these swaps. My only claim to fame is a recent swap to one in my second gen TA.
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09-22-2010 #2Dont let Chris fool you...he knows more about these than he lets on...lol. Of course, what he knows is directly related to the issues he had with his. Still, thats how we learn. But he is right, there are some here with depth of knowledge on this subject. Jakeshoe is one, and there are several others.
1973 Trans Am 455 SR block, ported 6x-8 heads, solid cam, Victor intake, 830 CSU carb, aluminum rods, 77mm Garrett turbo and methanol injection. 1064hp at the flywheel@5500 rpm






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