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Old 11-18-2020, 06:20 PM   #9
SCOTI
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Join Date: Apr 2001
Location: DALLAS,TX
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Re: Turbo 200r 4 identification

They are the popular g-body platform OD trans as mentioned. Strength wise (stock) they're similar to a 700r4. Their benefit is in the gearing. The 1<2 gear split is closer to a TH350/TH400 vs. the 700r. OD is a little more aggressive as well (.67 vs. .70).

The MCSS, Olds H/O's, & GN/T-Type Buicks did have a specific valve body & stamping to make them easier to spot but I don't recall what it was & doesn't make much difference if you're upgrading for an aftermarket/different drivetrain. Easy to spot them though as the pan is long & has 16 or 17 bolts (I don't recall which it was).
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