ST300 to 200R4 Swap - Pontiac GTO Forum
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post #1 of 2 (permalink) Old 02-05-2018, 05:29 PM Thread Starter
 
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ST300 to 200R4 Swap

I'm going to replace the stock ST300 automatic in my 66 Lemans covertible with a 200r4 automatic. Any ideas, suggestions, pros, cons, etc would be greatly appreciated.
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post #2 of 2 (permalink) Old 09-15-2018, 12:25 PM
 
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Make sure you get the TV cable set up and adjusted correctly.
Bowtie Overdrives | TV Made EZ

Move the crossmember back on the frame rails a bit, might have to drill some holes or your frame might have some already.

Depending on your rear end ratio, you might have a lugging problem in over drive but maybe not.

Let us know how it works out.

Rich

Real Estate's best friends are time and inflation.
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